Leo Paquette
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American chemist
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Chemistry
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(Suggest an Edit or Addition)According to Wikipedia, Leo Armand Paquette was an American organic chemist. Biography Paquette was born on July 15, 1934. He received his B.S. degree in 1956 from the College of the Holy Cross and his Ph.D. in organic chemistry from the Massachusetts Institute of Technology in 1959 with professor Norman Allan Nelson. After serving as a research associate at the Upjohn Company from 1959 to 1963, he joined the faculty of Ohio State University .
Leo Paquette's Published Works
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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Natural Products Chemistry (1987) (200)
- Total synthesis of dodecahedrane (1983) (177)
- Principles of modern heterocyclic chemistry (1968) (139)
- Dodecahedranes and allied spherical molecules (1989) (134)
- Addition of Allylindium Reagents to Aldehydes Substituted at Cα or Cβ with Heteroatomic Functional Groups. Analysis of the Modulation in Diastereoselectivity Attainable in Aqueous, Organic, and Mixed Solvent Systems (1996) (123)
- Barriers to thermally allowed reactions and the elusiveness of neutral homoaromaticity (1979) (106)
- Dienophilic properties of phenyl vinyl sulfone and trans-1-(phenylsulfonyl)-2-(trimethylsilyl)ethylene. Their utilization as synthons for ethylene, 1-alkenes, acetylene, and monosubstituted alkynes in the construction of functionalized six-membered rings via [4 + 2] .pi. cycloaddition methodology (1983) (99)
- The renaissance in cyclooctatetraene chemistry (1975) (93)
- Use of phenyl vinyl sulfoxide as an acetylene equivalent in Diels-Alder cycloadditions (1978) (91)
- Structure of Lithium Isodicyclopentadienide and Lithium Cyclopentadienide in Tetrahydrofuran Solution. A Combined NMR, IGLO, and MNDO Study (1990) (90)
- The base-induced rearrangement of .alpha.-halo sulfones (1968) (83)
- Silanes in organic synthesis. 8. Preparation of vinylsilanes from ketones and their regiospecific cyclopentenone annulation (1980) (83)
- Silyl-substituted cyclopropanes as versatile synthetic reagents (1986) (83)
- Encyclopedia of Reagents for Organic Synthesis, Second Edition (2009) (82)
- The development of polyquinane chemistry (1979) (80)
- Recent applications of anionic oxy-cope rearrangements (1997) (76)
- Threefold transannular epoxide cyclization. Synthesis of a heterocyclic C17-hexaquinane (1981) (74)
- Catalysis of strained .sigma. bond rearrangements by silver(I) ion (1971) (73)
- A Convenient Method for Determining the Concentration of Grignard Reagents (1994) (73)
- Stereocontrolled Construction of Complex Cyclic Ketones via Oxy‐Cope Rearrangement (1990) (71)
- Structures of norbornane and dodecahedrane by molecular mechanics calculations (MM3), x-ray crystallography, and electron diffraction (1989) (70)
- Enantioselective Double Michael Addition/Cyclization with an Oxygen-Centered Nucleophile as the First Step in a Concise Synthesis of Natural (+)-Asteriscanolide (2000) (69)
- Enantiospecific total synthesis of the sesquiterpene antibiotics (-)-punctatin A and (+)-punctatin D (1987) (69)
- The Realities of Extended Homoaromaticity (1978) (68)
- A convergent three-component total synthesis of the powerful immunosuppressant (-)-sanglifehrin a. (2002) (67)
- A convergent synthesis of triquinane sesterterpenes. Enantioselective synthesis of (-)-retigeranic acid A (1988) (65)
- An ethylene and terminal olefin equivalent in [4 + 2] .pi. cycloadditions. General synthetic application of phenyl vinyl sulfone to the construction of functionalized six-membered rings (1980) (63)
- Total asymmetric synthesis of the putative structure of the cytotoxic diterpenoid (-)-sclerophytin a and of the authentic natural sclerophytins A and B. (2001) (63)
- Total synthesis of muconin by efficient assembly of chiral building blocks (1998) (63)
- X-ray structure analysis of the pentagonal dodecahedrane hydrocarbon (CH)20 (1986) (61)
- General approach to annulated 4-cyclooctenones by aliphatic Claisen rearrangement. Stereospecific total synthesis of (.+-.)-precapnelladiene (1985) (60)
- Silver ion catalyzed rearrangements of strained .sigma. bonds. Application to the homocubyl and 1,1'-bishomocubyl systems (1970) (60)
- An oxyanionic [3,3]-sigmatropic approach to the ophiobolin ring system (1985) (58)
- Evaluation of D-Ribose as an Enantiopure Building Block for Construction of the C-Ring of Taxol and Its Congeners (1995) (57)
- A triply convergent enantioselective total synthesis of (+)-ikarugamycin (1989) (56)
- Survey of Oxygenated 2,11-Cyclized Cembranoids of Marine Origin (1998) (55)
- Total Synthesis of Spinosyn A. 1. Enantioselective Construction of a Key Tricyclic Intermediate by a Multiple Configurational Inversion Scheme (1998) (54)
- Additions and Corrections - Electronic Control of Stereoselectivity. 4. Effects of Neighboring Fused Bicyclic Frameworks on the Stereochemical Outcome of Diels-Alder Cycloadditions to Cyclopentadiene Rings (1980) (54)
- Crystal and molecular structure of a pentagonal dodecahedrane. (1981) (53)
- Diastereoselection during 1,2-Addition of the Allylindium Reagent to alpha-Thia and alpha-Amino Aldehydes in Aqueous and Organic Solvents. (1997) (53)
- Convergent enantioselective synthesis of vinigrol, an architecturally novel diterpenoid with potent platelet aggregation inhibitory and antihypertensive properties. 1. Application of anionic sigmatropy to construction of the octalin substructure. (2003) (52)
- Unsaturated heterocyclic systems. LII. General synthetic entry to derivatives of 1H-azepine (1969) (52)
- Total synthesis of furanocembranolides. 3. A concise convergent route to acerosolide (1993) (52)
- Total synthesis of furanocembranolides. 2. Macrocyclization studies culminating in the synthesis of a dihydropseudopterolide and gorgiacerone. Related furanocembranolide interconversions. (1992) (51)
- Silanes in organic syuthesis. 11. Regiocontrolled synthesis of α-hydroxymethylated (trimethylsilyl)allenes☆ (1981) (51)
- Domino Diels-Alder reactions. 6. Domino Diels-Alder cycloadditions to 9,10-dihydrofulvalene and 11,12-dihydrosesquifulvalene. A synthetic tool for the elaboration of polycondensed alicyclic systems (1978) (50)
- Regiocontrolled synthesis of mono-, di-, and trisubstituted cyclohexenones by cycloaddition of vinyl sulfones to 1-methoxy-3-[(trimethylsilyl)oxy]-1,3-butadienes. Conversion of alkenes into effective dienophilic reagents (1983) (49)
- Stereocontrolled Elaboration of Natural (−)-Polycavernoside A, a Powerfully Toxic Metabolite of the Red Alga Polycavernosa tsudai (2000) (49)
- Total Synthesis of the Lycopodium Alkaloids Magellanine and Magellaninone by Three-fold Annulation of 2-Cyclopentenone (1994) (48)
- Synthesis of [4]peristylane and functionalized derivatives of this hemispherical ring system (1985) (48)
- Teubrevin G and teubrevin H: the first total syntheses of rearranged neo-clerodanes including solutions to the problems of chirality merger and furan ring assembly. (2001) (48)
- A direct, highly convergent route to α-methylene-γ-lactones fused to medium and large rings (1999) (47)
- Ring inversion and bond shifting energetics in substituted chiral cyclooctatetraenes (1982) (47)
- 1-Oxaspiro[4.4]nonan-6-ones. Synthetic access via oxonium ion technology, optical resolution, and conversion into enantiopure spirocyclic alpha,beta-butenolides. (2001) (47)
- π-Facial Diastereoselection in the 1,2-Addition of Allylmetal Reagents to 2-Methoxycyclohexanone and Tetrahydrofuranspiro-(2-cyclohexanone) (1996) (47)
- Access to naturally occurring cyclooctanoids by two-carbon intercalation. Total synthesis of (+)-ceroplastol I (1993) (46)
- Electronic control of stereoselectivity. 3. Stereoselection operative in [4 + 2].pi. cycloadditions to cyclopentadiene rings fused at C2,C3 to bicyclic frameworks (1980) (46)
- The Current View of Dynamic Change within Cyclooctatetraenes (1993) (46)
- Application of palladium-catalyzed [3 + 2] cycloaddition technology to the elaboration of kempane diterpenes. Stereocontrolled synthesis of (.+-.)-3.alpha.-hydroxy-7.beta.-kemp-8(9)-en-6-one and (.+-.)-3.beta.-hydroxykemp-7(8)-en-6-one (1992) (45)
- Total synthesis of the marine sesquiterpenes dactylol and africanol. De novo construction of a cyclooctanoid natural product from cycloheptane precursors (1987) (45)
- Concise total syntheses of the bioactive mesotricyclic diterpenoids jatrophatrione and citlalitrione. (2003) (45)
- Total Synthesis of (+)-Epoxydictymene. Application of Alkoxy-Directed Cyclization to Diterpenoid Construction (1997) (45)
- The Intramolecular SN′ Reaction (1992) (45)
- Unsaturated heterocyclic systems. XLVI. Molecular geometry of derivatives of 1H-azepine in the free and complexed state (1968) (44)
- Isodicyclopentadienes and related molecules. 38. Homochiral pinene-fused cyclopentadienes. Synthesis and .pi.-facially selective course of Diels-Alder cycloadditions and metallocene formation (1987) (44)
- Total synthesis of (−)-silphiperfol-6-ene and ()-5-oxosilphiperfol-6-ene (1984) (44)
- Regioselective routes to nucleophilic optically active 2- and 3-carene systems (1990) (44)
- Domino Diels-Alder reactions. I. Applications to the rapid construction of polyfused cyclopentanoid systems (1974) (43)
- Amino acid mediated intramolecular asymmetric aldol reaction to construct a new chiral bicyclic enedione containing a seven-membered ring: remarkable inversion of enantioselectivity compared to the six-membered ring example. (2007) (43)
- Total synthesis of furanocembranolides. 1. Stereocontrolled preparation of key heterocyclic building blocks and assembly of a complete seco-pseudopterane framework (1992) (43)
- Studies directed toward the total synthesis of lancifodilactone G: an expeditious route to the ABC subunit. (2008) (42)
- Total Synthesis of the Cembranoid Diterpene Lactone (+)-Cleomeolide. Some Remarkable Conformational Features of Nine-Membered Belts Linked in 2,6-Fashion to a Methylenecyclohexane Core (1994) (42)
- Silanes in organic synthesis. 9. Enesilylation as a method for 1,2-carbonyl migration within ketones and for conversion to 1,2-transposed allylic alcohols (1980) (41)
- Total Synthesis of Spinosyn A. 2. Degradation Studies Involving the Pure Factor and Its Complete Reconstitution (1998) (41)
- [3.3] sigmatropy within 1-vinyl-2-alkenyl-7,7-dimethyl-exo-norbornan-2-ols: the first atropselective oxyanionic cope rearrangement (1990) (41)
- Alkylaluminum-catalyzed Claisen expansion reactions. Scope and stereochemistry (1991) (41)
- Cheletropic .sigma.2s + .sigma.2s + .sigma.2s ejection of nitrogen from 9,10-diazasnoutenes as a route to monofunctionalized semibullvalenes. Ground state substituent effects on equilibrium displacements (1974) (40)
- Stereoselective synthesis of conformationally constrained 2'-deoxy-4'-thia beta-anomeric spirocyclic nucleosides featuring either hydroxyl configuration at C5'. (2005) (40)
- Short, stereospecific total syntheses of (.+-.)-modhephene and (.+-.)-epimodhephene (1981) (40)
- Synthesis of Enantiopure C2-Symmetric VERDI Disulfonamides and Their Application to the Catalytic Enantioselective Addition of Diethylzinc to Aromatic and Aliphatic Aldehydes (1999) (40)
- Enantiospecific total synthesis and absolute configurational assignment of (−)-punctatin A (antibiotic M95464) (1986) (39)
- Reduction of .alpha.,.beta.-unsaturated nitriles with a copper hydride complex (1980) (39)
- .sigma./.pi. Interaction as a controlling factor in the stereoselectivity of addition reactions (1983) (39)
- Electronic control of stereoselectivity. 8. The stereochemical course of electrophilic additions to aryl-substituted 9-isopropylidenebenzonorbornenes (1981) (38)
- Total synthesis of (±)-pentalenene, the least oxidized neutral triquinane metabolite of Streptomyces griseochromogenes (1983) (38)
- α-Halosulfones. I. Conformational Requirements of α-Sulfonyl Carbanions in the Synthesis of Phenanthrenes from 2-Chloro-2,7-dihydro-3,4-5,6-dibenzothiepin 1,1-Dioxides (1964) (38)
- Vinylsilane mediated stereoselective total synthesis of (.+-.)-gymnomitrol (1979) (38)
- Enantiospecific total synthesis of natural (-)-retigeranic acid A and two (-)-retigeranic acid B candidates (1987) (38)
- A MODULAR APPROACH TO MARINE MACROLIDE CONSTRUCTION. 2. CONCISE STEREOCONTROLLED SYNTHESIS OF THE C17-C28 (CD) SPIROACETAL COMPONENT (1997) (38)
- A modular approach to marine macrolide construction. 1. An enantiocontrolled route to the C1–C12 (AB) spiroacetal sector (1997) (38)
- Single Stereodifferentiation Associated with Carbon Atom Insertion during the Oxonium Ion-Initiated Pinacol Rearrangement of Dihydrofuranyl and Dihydropyranyl Carbinols (1997) (37)
- Sequential annulation approach to sterpuric acid and sterpurene-3,12,14-triol, metabolites of the silver leaf fungus Stereum purpureum (1988) (37)
- Triquinane sesquiterpenes. An iterative, highly stereocontrolled synthesis of (.+-.)-silphinene (1983) (37)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. II. Application to the synthesis of semibullvalene (1970) (37)
- The Photoisomerization of Heteroatomic Eight π Electron Systems. Long-Range Coupling in Some Bicyclo[3.2.0]hepta-3,6-dienes1 (1966) (37)
- Chelation control associated with organometallic addition reactions in water. The high stereoselectivity offered by α- and β-hydroxyl substituents obviates the need for protecting groups (1995) (37)
- The α‐Hydroxy Ketone (α‐Ketol) and Related Rearrangements † (2004) (37)
- Experimental Test of Setting Three Contiguous Stereogenic Centers in Water. Diastereoselective Coupling of Geometrically Biased Allylic Bromides to α-Oxy Aldehydes with Indium (1997) (36)
- Impact of substituent modifications on the atropselectivity characteristics of an anionic oxy-Cope ring expansion (1991) (36)
- OXONIUM ION-INITIATED PINACOLIC RING EXPANSION REACTIONS. APPLICATION TO THE ENANTIOSELECTIVE SYNTHESIS OF THE SPIROCYCLIC SESQUITERPENE ETHERS DACTYL OXENE-B AND -C (1995) (36)
- Enantioselective syntheses of authentic sclerophytin A, sclerophytin B, and cladiell-11-ene-3,6,7-triol. (2001) (36)
- Total synthesis of the tetracyclic diquinane Lycopodium alkaloids magellanine and magellaninone (1993) (36)
- Limitations in the application of anionic oxy-cope sigmatropy to elaboration of the forskolin nucleus (1989) (36)
- Comparative Diastereoselectivity Analysis of Crotylindium and 3-Bromoallylindium Additions to alpha-Oxy Aldehydes in Aqueous and Nonaqueous Solvent Systems. (1996) (36)
- Substituent influences on the cope equilibrium in semibullvalene: Symmetrical heteroatomic 2.8-pentamethylene derivatives (1978) (36)
- Stereospecific approach to 3-oxocen-7-ones via aliphatic claisen rearrangement. synthesis of (+)-(2R,8S)- and (+)-(2R,8J)-lauthisan (1990) (36)
- STUDIES DIRECTED TOWARD THE TOTAL SYNTHESIS OF KALMANOL. AN APPROACH TO CONSTRUCTION OF THE C/D DIQUINANE SUBSTRUCTURE (1995) (36)
- Diastereo- and Enantiodifferentiation in Indium-Promoted Allylations of 2,3-Azetidinediones in Water. Definition of Long-Range Stereocontrol Elements on π-Facial Selectivity for β-Lactam Synthesis (1998) (35)
- Fundamental Mechanistic Characteristics and Synthetic Applications of Allylations Promoted by Indium Metal in Aqueous Media (2003) (35)
- Is triquinacene homoaromatic? A thermochemical answer in the affirmative (1986) (35)
- Synthetic studies on basmane diterpenes. Enantiospecific total synthesis of (+)-7,8-epoxy-2-basmen-6-one by Claisen ring expansion (1991) (35)
- Studies Directed to the Synthesis of the Unusual Cardiotoxic Agent Kalmanol. Enantioselective Construction of the Advanced Tetracyclic 7-Oxy-5,6-dideoxy Congener (1996) (35)
- An expedient synthesis of 1,16-dimethyldodecahedrane (1982) (35)
- Pinacol macrocyclization-based route to the polyfused medium-sized CDE ring system of lancifodilactone G. (2008) (35)
- 7 – Asymmetric Cycloaddition Reactions (1984) (34)
- Directed syntheses of the isomeric dimethylcyclooctatetraenes and a study of their polarographic and alkali metal reduction (1974) (34)
- Total synthesis of (.+-.)-isocomene, a naturally occurring triquinane (1981) (34)
- Chlorocyanation of barrelenes as a route to 1-cyanosemibullvalenes. Convenient introduction of an efficient .pi.-electron acceptor substituent and its influence on the Cope equilibrium (1976) (33)
- Revised constitution of sclerophytins A and B. (2000) (33)
- Synthesis of the alleged structure of sclerophytin A. The setting of two oxygen bridges within the fused cyclodecanol B ring is not Nature's Way. (2000) (33)
- Silver(I) ion catalyzed rearrangements at strained .sigma. bonds. XXVIII. Valence isomerization of homocubanes. Reversible complex formation and kinetic substituent effects operating during silver(I)-induced bond reorganization (1975) (33)
- An Enantioselective Ring Expansion Route Leading to Furanose and Pyranose Nucleosides Featuring Spirodiketopiperazines at the Anomeric Position. (1999) (33)
- Electronic control of stereoselectivity. 7. Stereospecificity of N-methyltriazolinedione cycloaddition to tricyclo[5.2.1.02,6]deca-2,5-diene, tricyclo[5.2.1.02,6]deca-2,5,8-triene, and tricyclo[5.2.2.02,6]undeca-2,5,8-triene (1980) (33)
- Transition metal complexation of optically pure annulated cyclopentadies. Face selectivity, three-dimensional structural features, and utilization for asymmetric hydrogenation ☆ (1986) (33)
- TOTAL SYNTHESIS OF (+)-IKARUGAMYCIN. 2. ELABORATION OF THE MACROCYCLIC LACTAM AND TETRAMIC ACID SUBSTRUCTURES AND COMPLETE ASSEMBLY OF THE ANTIBIOTIC (1990) (33)
- Long-range electronic transmission in conformationally rigid .alpha.-diketones (1978) (33)
- Synthesis and thermal rearrangement of tricyclo[3.2.02,4]hept-6-enes. Analysis of structural requirements for effective intramolecular trapping of a 1,3-diradical by a remote cyclobutene ring (1971) (32)
- Domino Diels-Alder reactions. 4. C16-Hexaquinacene (1978) (32)
- 1,2-Transposition of ketones via vinylsilanes (1978) (32)
- The polyol domain of amphidinol 3. A stereoselective synthesis of the entire C(1)-C(30) sector. (2005) (32)
- Claisen rearrangement of 6-alkenyl-2-methylenetetrahydropyrans. A new approach to annulated 4-cyclooctenones and a stereospecific synthesis of precapnelladiene (1984) (32)
- First Synthesis of a Rearranged neo-Clerodane Diterpenoid. Development of Totally Regioselective Trisubstituted Furan Ring Assembly and Medium-Ring Alkylation Tactics for Efficient Access to (−)-Teubrevin G (2000) (32)
- Evaluation of Chelation Effects Operative during Diastereoselective Addition of the Allylindium Reagent to 2- and 3-Hydroxycyclohexanones in Aqueous, Organic, and Mixed Solvent Systems (1998) (32)
- A New General Approach to the Synthesis of Oxygen-Containing Heterocycles by Virtue of Hydroxyl Neighboring Group Participation. The Condensation of Enamines with Salicylaldehydes1 (1966) (32)
- A stereocontrolled synthetic entry to the primary prostaglandins from butadiene. Oxy anionic substituent effects on [1,5]-hydrogen sigmatropy (1980) (32)
- Synthesis of a structurally modified glycal. (−)-(2R,4S)-2-Methyl-2-vinyl-4-(benzyloxy)-3,4-dihydro-2H-pyran (1988) (31)
- PREPARATION, X-RAY CRYSTALLOGRAPHIC ANALYSIS, AND STEREOSELECTIVE ELECTROPHILIC CAPTURE OF COORDINATIVELY ISOMERIC EXO-LITHIUM COMPLEXES OF ISODICYCLO PENTADIENE (1994) (31)
- Pleuromutilin synthetic studies. Degradative and de novo acquisition of a levorotatory tricyclic lactone subunit (1988) (31)
- Intercalation of Multiple Carbon Atoms between the Carbonyls of α-Diketones (2001) (31)
- Highly stereocontrolled synthesis of [3.3.3] propellane sesquiterpenes. ( ± )-Modhephene and (±)-epimodhephene (1981) (31)
- Rapid and efficient construction of the ophiobolin nucleus (1983) (31)
- Stereoselectivity control by oxaspiro rings during Diels-Alder cycloadditions to cross-conjugated cyclohexadienones: the syn oxygen phenomenon. (2004) (31)
- Experimental Enthalpies of Formation and Strain Energies for the Caged C20H20 Pagodane and Dodecahedrane Frameworks (1994) (31)
- A concise route to the tetracyclic core of phorbol (1994) (31)
- Competitive Intramolecular/Intermolecular Chelation Options Operative during Indium-Promoted Additions to Pyridyl Aldehydes and to Glyoxylic Acid under Aqueous Conditions. (1999) (31)
- Asymmetric Synthesis of the Diterpenoid Marine Toxin (+)-Acetoxycrenulide (1996) (31)
- Relevance of oxyanion stereochemistry to chirality transfer in anionic oxy-cope rearrangements (1992) (31)
- Pectenotoxin-2 synthetic studies. 2. Construction and conjoining of ABC and DE Eastern hemisphere subtargets. (2005) (31)
- Synthesis of optically active triazolinediones and examination of their utility for inducing asymmetry in Diels-Alder cycloaddition reactions (1980) (31)
- Molecular recognition during 1,2-addition of chiral vinyl organometallics to chiral .beta.,.gamma.-unsaturated ketones. Case studies of three 7,7-disubstituted 2-norbornenones. Part 5 (1988) (31)
- Practical Synthesis of Spirocyclic Bis-C,C-glycosides. Mechanistic Models in Explanation of Rearrangement Stereoselectivity and the Bifurcation of Reaction Pathways (1997) (31)
- Stereocontrolled construction of an ingenol prototype having a complete array of oxygenated and unsaturated centers. (1988) (31)
- Two-carbon intercalation. 4-Cyclooctenones by tandem application of double-Tebbe and Claisen reactions (1991) (31)
- Regiospecific photosensitized oxygenation of vinylsilanes. A method for converting saturated ketones to 1,2-transposed allylic alcohols. Possible role of silicon in directing the regioselectivity of epoxysilane cleavage reactions (1979) (31)
- A concise total synthesis of enantiomerically pure (+)-cis- and (+)-trans-lauthisan (1990) (31)
- The Photoisomerization of the 2,3-Dihydrooxepin Ring. Long-Range Coupling in Some 2-Oxabicyclo [3.2.0]hept-6-enes1 (1965) (30)
- Electronic control of stereoselectivity. 9. The stereochemical course of electrophilic additions to aryl-substituted benzobicyclo[2.2.2]octadienes (1981) (30)
- .alpha.-Halo sulfones. XVIII. Ramberg-Baecklund rearrangement as a synthetic entry to unsaturated propellanes (1971) (30)
- Conjugative interaction between .PI. and cyclobutane orbitals. The synthesis and electronic structure of bicyclo[4.1.1]octa-2,4-diene (1977) (30)
- Total synthesis of (.+-.)-pentalenene (1982) (30)
- Enantiospecific Total Synthesis of Natural (+)-Taxusin. 1. Retrosynthesis, Advancement to Diastereomeric trans-Δ9,10-Tricyclic Olefinic Intermediates, and the Stereocontrol Attainable Because of Intrinsic Rotational Barriers Therein (1998) (30)
- AN EFFECTIVE APPROACH TO STEREOCONTROLLED LACTONE ANNULATION. APPLICATION TO THE TOTAL SYNTHESIS OF PENTALENOLACTONE E METHYL ESTER AND A PARTIAL ELABORATION OF QUADRONE (1982) (30)
- Synthesis of a representative cis/trans pair of 4,5-disubstituted cyclopentenyllithium reagents (1985) (30)
- Stereospecific total synthesis of (.+-.)-isocomene (berkheyaradulene) (1979) (30)
- Catalytic Ring-Closing Metathesis of Doubly Armed, Bridged Bicyclic Sulfones. Evaluation of Chain Length and Possible Intramolecular SO2 Group Ligation to the Ruthenium Carbenoid (2000) (30)
- Synthetic studies aimed at the dolastanes. An attempted A + C .fwdarw. ABC approach (1985) (30)
- Diastereoselectivity control in the zirconocene-mediated ring contraction of 4-vinylfuranosides to enantiopure multiply functionalized cyclobutanes. (2002) (30)
- Bond fixation in annulenes. 14. Synthesis of and bond shifting equilibrium between 1,4- and 1,6-di-tert-butylcyclooctatetraenes (1983) (30)
- A Convergent Total Synthesis of the Macrolactone Disaccharide Toxin (−)-Polycavernoside A (1999) (30)
- The Squarate Ester−Polyquinane Connection. An Analysis of the Capacity of Achiral Divinyl Adducts To Rearrange Spontaneously to Polycyclic Networks Housing Multiple Stereogenic Centers (1997) (30)
- Diastereoselective π-facially controlled nucleophilic additions of chiral vinylorganometallics to chiral β,γ-unsaturated ketones. 2. A practical method for stereocontrolled elaboration of the decahydro--indacene subunit of ikarugamycin (1987) (30)
- Unsaturated heterocyclic systems. LXXIII. .pi.-Equivalent heterocyclic congeners of cyclooctatetraene. Synthesis and valance isomerization of 2-alkoxyazocines (1971) (29)
- Structural consequences of 2,8 bridging of the semibullvalene nucleus (1972) (29)
- Stereocontrolled synthesis of the sterically encumbered F ring of lancifodilactone G. (2008) (29)
- X-ray crystal structure analysis of triquinacene at 90 K (1976) (29)
- Controlled Spacing of 60-Carbon Spheres with 1,4-Cyclohexadienyl Ladders by Pairwise Diels-Alder Cycloaddition to Buckminsterfullerene (1995) (29)
- Direct elaboration of complex polyquinanes through twofold addition of vinyl anions to squarate esters (1993) (29)
- Pestalotiopsin A. Side chain installation and exhaustive probing of olefin metathesis as a possible tool for elaborating the cyclononene ring. (2007) (29)
- Silicon in organic synthesis. 12. trans-1-benzenesulfonyl-2-(trimethylsilyl)ethylene, a Diels-Alder dienophile equivalent of acetylene and monosubstituted acetylenes (1982) (29)
- Silicon in organic synthesis—17 : Cyclopentannulation by thermolysis of (1-trimethylsilylcyclopropyl)ethylenes—the 1-trimethylsilylcyclopropyl anion (1983) (29)
- Oxidative Coupling of the Enolate Anion of (1R)-(+)-Verbenone with Fe(III) and Cu(II) Salts. Two Modes of Conjoining This Bicyclic Ketone across a Benzene Ring (1995) (29)
- Relationship of the anionic behavior of unsaturated medium-ring alcohols to structure. Generation and antarafacial cyclization of coiled 8.pi.-electron carbanions (1982) (28)
- Three-component coupling via the squarate ester cascade as a concise route to the bioactive triquinane sesquiterpene hypnophilin. (2002) (28)
- Oxidative decarboxylation of vicinal dicarboxylic acids as promoted by cuprous oxide in quinoline (1976) (28)
- Exploratory Synthetic Studies Involving the Tricyclo[9.3.0.02,8]tetradecane Ring System Peculiar to the Cyathins (1994) (28)
- Synthesis of 1-Aza-8-thiabicyclo[4.2.1]nona-2,4-diene 8,8-dioxide and its conversion to a strained spirocycle via photoinduced SO2-N bond cleavage. (2004) (28)
- Total Synthesis of -Austalide B A Generic Solution to Elaboration of the Pyran/p-Cresol/Butenolide Triad (1994) (28)
- Novel aromatic systems. 8. Cyclooctatetraene dications (1977) (28)
- Unsaturated heterocyclic systems. LXX. Stereochemistry of the thermal fragmentation of .beta.-lactams. Comparison with the pyrolysis of 1-azetines (1970) (28)
- 1,2,3,4-Tetramethylcyclooctatetraene and 1,2,3,8-tetramethylcyclooctatetraene. Stable [8]annulene bond shift isomers (1975) (28)
- Derivatives of trans-3,7-Diazatricyclo [4.2.2.22,5]dodecane (1963) (28)
- .alpha.-Halo sulfones. VII. The Ramberg-Baecklund rearrangement of .alpha.,.alpha.-dichloromethyl sulfones (1967) (28)
- Total synthesis of a monosubstituted dodecahedrane. The methyl derivative (1983) (28)
- Molecular ladders constituted of laterally-fused 1,4-cyclohexadiene subunits. Open-chain models of the [n]beltenes. (1995) (28)
- Effective 1,4-Asymmetric C−C/C−O Stereoinduction in Indium-Promoted Coupling Reactions of Aldehydes to Protected and Unprotected [1-(Bromomethyl)vinyl] Alkanols. The Status of Intramolecular Chelation within Functionalized Allylindium Reagents (1998) (28)
- An Abbreviated, Highly Stereocontrolled Route to Precursors of Taxol. Elaboration of a Fully Functionalized C Ring by Means of Intramolecular Aldol Cyclization (1995) (27)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. XX. Substituent effects on the generation, structural rearrangement, and deargentation of argento carbonium ions. Kinetic and product study of the silver(I)-catalyzed isomerization of C1-functionalized tricyclo[4.1.0.02.7] heptanes (1974) (27)
- Acid-catalyzed cyclization of 1,4-diols tethered to (butadiene)iron tricarbonyl segments. Isotopic labeling as a mechanistic probe of stereochemical retention during tetrahydrofuran formation (1992) (27)
- Direct oxygenation of enolates generated by anionic oxy-Cope rearrangement. Expedient preparation of polycyclic .alpha.-hydroxy ketones (1989) (27)
- Total synthesis of (+)-ikarugamycin. 1. Stereocontrolled construction of the decahydro-as-indacene subunit (1990) (27)
- Alkoxide precoordination to rhodium enables stereodirected catalytic hydrogenation of a dihydrofuranol precursor of the C29-40 F/G sector of pectenotoxin-2 (2004) (27)
- Total synthesis of dumsin. 1. Retrosynthetic strategy and the elaboration of key intermediates from (--)-bornyl acetate. (2003) (27)
- ENANTIOSPECIFIC TOTAL SYNTHESIS OF NATURAL (+)-TAXUSIN. 2. FUNCTIONALIZATION OF THE A-RING AND ARRIVAL AT THE TARGET (1998) (27)
- Asymmetric functionalization of conformationally distinctive Cs-symmetric cis-[n.3.1] bicyclic ketones. Definition of the absolute course of enantio- and diastereodifferentiation (1992) (27)
- Unsaturated heterocyclic systems. XLIII. The azacyclooctatetraene (azocine) system (1968) (27)
- Silver(I) catalyzed rearrangements of strained .sigma. bonds. 39. Twofold cyclopropylidene carbon-hydrogen insertion as a route to hexacyclic bis(bicyclo[1.1.0]butanes) and their silver(I) ion promoted rearrangement. A direct synthesis of heptalene from naphthalene (1980) (26)
- ENANTIOSELECTIVE TOTAL SYNTHESIS OF (-)-9-EPI-AMBROX, A POTENT AMBERGRIS-TYPE OLFACTORY AGENT (1991) (26)
- Exploratory studies aimed at a synthesis of vinigrol. 2. Attempts to exploit ring-closing metathesis for construction of the central cyclooctane belt. (2005) (26)
- Comparative x-ray crystal structure analysis of C2v-dimethylmonosecododecahedrane and D3d-dimethyldodecahedrane. The remarkable consequences of a missing framework bond on molecular topology (1982) (26)
- Concerning the antileukemic agent jatrophatrione: the first total synthesis of a [5.9.5] tricyclic diterpene. (2002) (26)
- Dodecahedrane: improved synthetic access to, and monofunctionalization of, the spherical hydrocarbon. Spectral properties of the derivatives (1988) (26)
- Preparation and X-ray crystal structure analysis of a stable trimethylsilyloxy epoxide (1987) (26)
- Relevance of Conformational Constraints to the Regioselective Lithiation of Aromatic Diethers. Application to the Convenient Construction of the DEF Tricyclic Subunit of the Austalides (1994) (26)
- SILANES IN ORGANIC SYNTHESIS. 19. EXAMINATION OF (-)-α-NAPHTHYLPHENYLMETHYLALLYLSILANE AS A TEMPLATE FOR EFFECTING CHIRALITY TRANSFER FROM SILICON TO CARBON (1984) (26)
- Selective lithium ion binding involving inositol-based tris(spirotetrahydrofuranyl) ionophores: formation of a rodlike supramolecular ionic polymer from a homoditopic dimer. (2001) (26)
- Applications of the squarate ester cascade to the expeditious synthesis of hypnophilin, coriolin, and ceratopicanol. (2002) (26)
- Stereoselective synthesis of beta-anomeric 4'-thiaspirocyclic ribonucleosides carrying the full complement of RNA-level hydroxyl substitution. (2005) (26)
- Stereocontrolled access to the most highly condensed pentalenolactone antibiotic. From cycloheptatriene to pentalenolactone P methyl ester (1992) (26)
- Synthesis and selected reactions of a bicyclic sultam having sulfur at the apex position. (2006) (26)
- Unsaturated heterocyclic systems. LV. Cycloaddition reactions of derivatives of 1H-azepine (1969) (26)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. III. Synthesis and degenerate thermal valence isomerization of pentacyclo[3.3.2.02,4.03,7.06,8]dec-9-ene (1971) (26)
- Total Synthesis of Natural (+)-Acetoxycrenulide (1995) (26)
- Efficient preparation of homochiral bicyclo-annulated cyclopentadienes via the skattebøl rearrangement. Avoidance of limitations due to angle strain (1986) (26)
- Isodicyclopentadienes and related molecules. 44. Analysis of the .pi.-facial preference for complexation of a camphor-derived, enantiomerically pure cyclopentadienyl ligand to CpMCl2 fragments (M = Ti and Zr) (1989) (25)
- Studies directed toward the total synthesis of cerorubenic acid-III. 1. Expedient construction of the tetracyclic core by oxyanionic sigmatropy (1993) (25)
- Electrophilic additions of acyl and sulfonyl halides to 2-ethoxypyridine 1-oxide. A new class of activated esters and their application to peptide synthesis. (1965) (25)
- Stereochemical course of the thermally induced fragmentation of bicyclo[2.2.0]hexanes to diallyls. Pyrolysis of the dimethyl bicyclo[2.2.0]hexane-2,3-dicarboxylates (1970) (25)
- Silicon in organic synthesis. 27. A method for the generation of electronegatively substituted cyclopropyl anions under preparatively useful conditions. Aldol condensation with carbonyl partners (1984) (25)
- Isodicyclopentadienes and related molecules. 49. Synthesis, static structure, and kinetic stability of a syn-sesquinorbornatriene (1990) (25)
- Pectenotoxin-2 synthetic studies. 1. Alkoxide precoordination to [Rh(NBD)(DIPHOS-4)]BF(4) allows directed hydrogenation of a 2,3-dihydrofuran-3-ol without competing furan production. (2002) (25)
- Silanes in organic synthesis. 24. Synthesis, reactivity, and electronic structure of [2-(trimethylsilyl)-1,3-cyclohexadiene]iron tricarbonyl complexes (1984) (25)
- Electronic control of stereoselectivity. 5. Stereochemistry of singlet oxygen capture by cyclopentadiene rings fused to norbornyl and norbornenyl frameworks (1980) (25)
- Unsaturated heterocyclic systems. LIII. Thermochemical reactions of 1H-azepine derivatives. 2. Aromatization and sigmatropic migrations involving nitrogen (1969) (25)
- Synthesis of (±)-14-epiupial by manganese(III) -γ-lactone annulation (1987) (25)
- Synthesis of (.+-.)-11,0(3)-dihydropseudopterolide (1990) (25)
- INTERDEPENDENCE OF SOLVOLYSIS RATE AND ARYL-ARYL DIHEDRAL ANGLE IN A SERIES OF 4-BIPHENYLYLDIMETHYLCARBINYL P-NITROBENZOATES (1979) (25)
- .alpha.-Halo sulfones. VI. Evidence for the intermediacy of thiirene dioxides in the base-promoted rearrangement of .alpha.,.alpha.-dichloro sulfones (1967) (25)
- Photochemical transformations of selected 3-cycloheptenone derivatives (1968) (25)
- Mechanistic Analysis of Double Hydrogen Dyotropy in syn-Sesquinorbornene Disulfones. A Combined Kinetic and Theoretical Evaluation of Primary Deuterium Isotope Effects (1994) (25)
- Synthetic studies on spinosyn A. Convenient enantioselective construction of a suitably functionalized trans,anti,cis-decahydro-as-indacene intermediate via [3.3] sigmatropy and double configurational inversion (1997) (25)
- A vinylsilane route of (.+-.)-gymnomitrol (1981) (25)
- Access to Protected 2-Alkylidene 1,3-diones by Modified Knoevenagel Reaction in the Presence of Thiophenol. A New Approach to Spirocyclopentanol Construction (1994) (25)
- Effect of 9,10-cyclic acetal stereochemistry on feasible operation of the alpha-ketol rearrangement in highly functionalized paclitaxel (Taxol) precursors. (2003) (24)
- Dicyclooctatetraeno[1,2:4,5]benzene dianion and tetraanion. Experimental assessment of extended paratropic vs. restricted diatropic .pi.-electron delocalization (1977) (24)
- Synthesis and molecular structure of belted spirocyclic tetrahydrofurans, a new class of preorganized hosts for cations (1992) (24)
- Equilibrium imbalances arising from 2,8-bridging by aliphatic chains of the semibullvalene nucleus (1974) (24)
- Exploratory studies aimed at a synthesis of vinigrol. 3. Evaluation of a lactone bridge as a conformational lock. (2005) (24)
- CASCADE REARRANGEMENTS FOLLOWING TWOFOLD ADDITION OF ALKENYL ANIONS TO SQUARATE ESTERS (1998) (24)
- Haller-Bauer cleavage of open-chain and cyclic .alpha.-phenyl ketones proceeds with retention of configuration (1987) (24)
- Concise Synthesis of cis- and trans-Theaspirones via Oxonium Ion-Initiated Pinacol Ring Expansion (1996) (24)
- (+)-Pleuromutilin synthetic studies. Examples of intramolecular hydrogen abstraction by the .beta.-carbon of a 2-cyclopentenone subunit with resultant .alpha.-coupling (1988) (24)
- A formal total synthesis of (.+-.)-laurenene (1988) (24)
- Cleavage of carbon-carbon bonds with high stereochemical control. 5. Course of the Haller-Bauer reaction of cyclic .alpha.-phenyl ketones (1988) (24)
- Novel aromatic systems. III. The 1,3,5,7-tetramethylcyclooctatetraene dication, the first 8C-6.pi. Hueckeloid system (1976) (24)
- Probe of the Stereochemically Determining Step in Squarate Ester Cascades. Proof that Helical Equilibration within the Octatetraene Intermediate Is Responsible and Definition of Steric Control Elements (1997) (24)
- A strategy for the synthesis of monosubstituted dodecahedrane and the isolation of an isododecahedrane (1982) (24)
- Enantioselective Total Synthesis of the Cyclophilin-Binding Immunosuppressive Agent Sanglifehrin A This work was financially supported by Eli Lilly and Company and a Robert Mayer Graduate Fellowship (to M.D.). We thank Prof. K. C. Nicolaou for providing authentic spectra of 1. (2001) (24)
- Synthesis and electronic properties of 2a,8b-dihydrocyclopent[cd]azulenes (elassovalenes) (1977) (24)
- Toward a Total Synthesis of Okilactomycin. 2. A Metathesis-Based Approach to the Heavily Functionalized Cyclohexane Ring (2002) (24)
- Intramolecular Cyclization of Radicals Generated from α-Halomethylsulfonamides (1999) (24)
- Preparation of caged keto sulfides. Analysis of S-Cco interaction in certain tetrahydro-1,4-thiapyrones possessing rigid boat conformations (1967) (24)
- Silver(I) ion-catalyzed rearrangements of strained .sigma. bonds. XXII. Kinetic deuterium isotope and electronic effects in the silver(I) promoted type .gamma. isomerization of 1-alkyltricyclo[4.1.0.0.2,7]heptanes. Mechanistic analysis of the formation of bicyclo[3.2.0]hept-6-enes (1974) (24)
- Regiocontrolled hydrogenolysis of strained .sigma. bonds. Application to the synthesis of syn- and anti-tricyclo[4.2.1.12,5]decane and two elusive cyclopentadiene dimers (1979) (24)
- Perpendicularly oriented .pi. systems. Thermal activation of annulated bicyclo[4.2.0]octatrienes and establishment of the tetracyclo[4.2.0.02,8.05,7]octene pathway of bond relocation (1974) (24)
- Consequences of fixing three parallel coplanar double bonds in close proximity with different geometries. Synthesis and spectral parameters of syn- and anti-sesquinorbornatriene (1986) (24)
- Silicon in organic synthesis. 24. Preparation and selected reactions of functionalized 1-(trimethylsilyl)-substituted cyclopropanes (1984) (24)
- Unsaturated heterocyclic systems. LI. Thermochemical reactions of 1H-azepine derivatives. 1. Dimerization (1969) (23)
- A highly abbreviated synthesis of pentalenene by means of the squarate ester cascade. (2002) (23)
- Silver(1+) ion-catalyzed rearrangements. XXIV. Direct and indirect trapping of isomeric monosubstituted bicyclo[4.2.0]octadienes with triazolinediones. Photocyclization and silver(1+) ion-catalyzed rearrangement of the derived adducts as a route to functionalized 9,10-diazasnoutanes (1974) (23)
- Adaptation of oxyanionic sigmatropy to the convergent enantioselective synthesis of ambergris-type odorants (1991) (23)
- Silver(I) catalyzed rearrangements of strained .sigma. bonds. 38. Regiospecificity of cyclopropylidene carbon-hydrogen insertion reactions within [m.n.1]propellane frameworks (1980) (23)
- (5S)-(D-menthyloxy)-2(5H)-furanone (2003) (23)
- Examination of (-)-α-naphthylphenylmethylallylsilane as a template for effecting chirality transfer from silicon to carbon (1983) (23)
- Lithium aluminum hydride promoted ring contraction of cyclic five-membered .alpha.-sulfonyl carbanions and its application to the synthesis of 1,2-dialkylcyclobutenes (1974) (23)
- Ag+-catalyzed rearrangements. XII. Effect of methyl substitution on the competitive rearrangements of tricyclo[4.1.0.02,7]heptanes by silver(I) ion. Product and kinetic considerations (1972) (23)
- Studies aimed at the total synthesis of the antitumor antibiotic cochleamycin A. An enantioselective biosynthesis-based pathway to the AB bicyclic core. (2002) (23)
- Intramolecular SN' cleavage of allylic ethers by enolate anions (1989) (23)
- Unsaturated heterocyclic systems. LXXVII. 1-Aza-2,4,6-cyclooctatriene-7-azabicyclo[4,2,] octadiene valence tautomeric equilibrium. Substituent effects and an attempted synthesis of azetes (azacyclobutadienes) (1971) (23)
- Direct Synthesis of Previously Inaccessible Bridgehead Azabicyclics by Intramolecular Cyclization of α-Sulfonamido and α-Sulfonimido Radicals (2001) (23)
- Diastereoselectivities realized in the amino acid catalyzed aldol cyclizations of triketo acetonides of differing ring size. (2005) (23)
- Boat/chair topographic stereoselection during anionic oxy-Cope rearrangement of 1-alkenyl-2-cyclopentenyl-endo-norbornan-2-ols (1990) (23)
- Application of the .alpha.,.beta.-epoxy ketone photorearrangement to diterpene construction. Stereoselective synthesis of (.+-.)-4a.beta.,10.beta.-doladiol acetate (1986) (22)
- Pectenotoxin-2 synthetic studies. 3. Assessment of the capacity for stereocontrolled cyclization to form the entire C1-C26 subunit based upon the double bond geometry across C15-C16. (2007) (22)
- Spirocyclic restriction of nucleosides. Synthesis of the first exemplary syn-1-oxaspiro[4.4]nonanyl member. (2001) (22)
- Valence Isomerism in Selected Heterocyclic Systems (1971) (22)
- Promoter-dependent course of the Beckmann rearrangement of stereoisomeric spiro[4.4]nonane-1,6-dione monoximes. (2005) (22)
- The Electrophilic and Radical Behavior of α-Halosulfonyl Systems (2001) (22)
- Direct Asymmetric Entry into the Cytotoxic 8,9-Secokaurene Diterpenoids. Total Synthesis of (−)-O-Methylshikoccin and (+)-O-(Methylepoxy)shikoccin (1996) (22)
- A modular approach to marine macrolide construction. 3. Enantioselective synthesis of the C1-C28 sector of spongistatin 1 (altohyrtin A). (2000) (22)
- Unsaturated heterocyclic systems. XC. Uniparticulate electrophilic addition as a probe of possible bicycloaromatic and antibicycloaromatic carbonium ion character. Reactions of chlorosulfonyl isocyanate with exocyclic methylene precursors to such cations (1973) (22)
- Direct conversion of ketones to vinylsilanes, -germanes, and -stannanes (1977) (22)
- Ag+-catalyzed rearrangements. XIII. Mechanistic aspects of the silver(I)-promoted rearrangements of tricyclo[4.1.0.02,7]heptane derivatives. Deuterium isotope effect studies and independent generation of argento carbonium ions (1972) (22)
- The Thermal Dimerization of N-Carbethoxyazepine1 (1966) (22)
- Synthetic studies relating to the structure of senoxydene. A sequential annulation approach to angular triquinane construction capable of varied tetramethyl substitution patterns (1986) (22)
- Stable carbocations. Part 275. The dodecahedryl cation and 1,16-dodecahedryl dication. Proton and carbon-13 NMR spectroscopic studies and theoretical investigations (1988) (21)
- Stereoselective Indium-Promoted Allylation of gamma-Hydroxy-gamma-Lactones under Aqueous Conditions. The Neighboring Carboxyl Effect. (1997) (21)
- Synthesis and x-ray crystal structure analysis of a vicinally dinitro-substituted bishomopentaprismane (1985) (21)
- The 1,7-cyclohexenonorbornadiene system (1986) (21)
- Dodecahedrane—The chemical transliteration of Plato's universe (A Review) (1982) (21)
- Regiocontrolled cyclohexenone annulation via acylation of a ketone carbonyl (1990) (21)
- Quantitation of proximity effects on rate. A case study involving dyotropic hydrogen migration within syn-sesquinorbornene disulfones carrying central substituents having different spatial demands (1990) (21)
- Demonstration and analysis of bridging regioselectivity operative during di-.pi.-methane photorearrangement of ortho-substituted benzonorbornadienes and anti-7,8-benzotricyclo[4.2.2.02,5]deca-3,7,9-trienes (1977) (21)
- Allylindation of 6-Substituted 2-Hydroxy-1-tetralones in Aqueous and Organic Media. Stereochemistry and Competition Studies. (1998) (21)
- Claisen-based strategy for the de novo construction of basmane diterpenes. Enantiospecific synthesis of (+)-7,8-epoxy-2-basmen-6-one (1990) (21)
- TETRACYANOETHYLENE ADDITION TO IRON TRICARBONYL COMPLEXES OF SUBSTITUTED CYCLOOCTATETRAENES, REGIOSELECTIVITY CONSIDERATIONS DURING FORMATION OF THE 2,3,4,10-TETRAHAPTO ADDUCTS (1975) (21)
- Ring expansion by tandem double Tebbe–Claisen technology (1992) (21)
- Silicon-Mediated Organic Synthesis (1982) (21)
- Preparative Aspects of Silver Ion-Catalyzed Rearrangements of Polycyclic Systems (1975) (21)
- Photochemistry of conjugated cis-bicyclo[5.1.0]octenones, cis- and trans-bicyclo[5.2.0]non-2-en-4-ones, and their methylene analogs (1973) (21)
- Cleavage of carbon-carbon bonds with high stereochemical control. 6. Asymmetric synthesis of chiral C-centered organosilanes by Haller-Bauer cleavage of optically active, nonenolizable .alpha.-silyl phenyl ketones (1989) (21)
- Bond fixation in annulenes. 9. Equalization of ring inversion and bond shifting energetics in 1,2,3,4-tetramethylcyclooctatetraene. Asymmetric synthesis direct resolution, and absolute configuration of the optically active hydrocarbon (1980) (21)
- Tricyclo[4.1.0.02,5]hept-3-ene to quadricyclane rearrangement. Intramolecular trapping of a 1,3-diradical by a remote cyclobutene ring (1970) (21)
- Stereocontrolled Preparation of Spirocyclic Ethers by Intramolecular Trapping of Oxonium Ions with Allylsilanes. (1996) (21)
- STUDIES DIRECTED TOWARD THE TOTAL SYNTHESIS OF POLYCAVERNOSIDE A. ENANTIOSELECTIVE SYNTHESIS OF THE DISACCHARIDE COMPONENT (1995) (21)
- Regioselective conversion of cycloalkanones to vinyl bromides with 1,2-functionality transposition. A general stratagem (1991) (21)
- STRUCTURE STUDIES BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY. I. THE PHOTODIMER OF N-METHYL-2-PYRIDONE (1961) (21)
- Stereocontrolled Synthesis of ent-Grindelic Acid. A Useful Example of Diastereofacial Guidance in an Oxonium Ion-Initiated Pinacolic Ring Expansion (1996) (21)
- Synthetic studies on furanoheliangolides. Stereocontrolled construction of the oxygen-bridged tricyclic framework (1992) (21)
- Response of syn-1,2,3,4,5,6,7,8-octahydro-1,4:5,8-dimethanonaphthalene and related molecules to oxidation with ozone, singlet oxygen, and triplet oxygen. Strain and steric effects as controllers of reactivity (1980) (21)
- Studies directed toward the total synthesis of trixikingolide. Analysis of the capacity for transannular carbon-carbon bond formation in various bicyclic and tricyclic intermediates (1989) (21)
- Reappraisal of the stereochemistry of electrophilic additions to 3-norcarenes. X-ray and proton NMR analysis of norcarene epoxide conformation. The role of magnetic anisotropic contributions of epoxide rings (1979) (21)
- Electronic control of stereoselectivity. 2. A stereochemical method for qualitatively assessing the relative electrophilicity of various electron-deficient species (1979) (21)
- Protonation of hexamethyl Dewar benzene and hexamethylprismane in fluorosulfuric acid - antimony pentafluoride - sulfur dioxide (1968) (21)
- .alpha.-Halo sulfones. XII. Chlorination of bridgehead sulfides and sulfones. Transannular double-bond formation in the base-induced rearrangement of bridgehead .alpha.-chloro sulfones (1969) (21)
- Unsaturated heterocyclic systems. LXXV. Generation and protonation of azocinyl dianions (1971) (21)
- Protonation of cis-bicyclo[6.1.0]nona-2,4,6-trienes in superacidic media. Carbon-13 nuclear magnetic resonance study of the mono- and 1,3-bishomotrpylium ions under long life conditions (1973) (21)
- .alpha.-Halo sulfones. XVII. Directive effects in the chlorination of thiapropellanes (1971) (20)
- Ag+-catalyzed rearrangements. XIV. Influence of structural features of the course of bicyclo[1.1.0]butane rearrangements catalyzed by silver(I) ion (1972) (20)
- Electronic control of stereoselectivity. 1. Singlet oxygen and related electrophilic additions to aryl-substituted 7-isopropylidenebenzonorbornenes (1978) (20)
- Effects of a Synthetic Analog of Polycavernoside A on Human Neuroblastoma Cells (2007) (20)
- Unsaturated Heterocyclic Systems. IX. Derivatives of 3H-Azepine1-3 (1964) (20)
- INTERACTION OF WALSH ORBITALS IN TRISHOMOCYCLOHEPTATRIENES AND RELATED HYDROCARBONS (1978) (20)
- C4'-spiroalkylated nucleosides having sulfur incorporated at the apex position. (2003) (20)
- Photochemistry of 2,3-homotropone (1967) (20)
- Cleavage of carbon-carbon bonds with high stereochemical control. 4. Base-induced cleavage of optically active nonenolizable benzylic ketones (1988) (20)
- Addition reactions of the uniparticulate electrophile chlorosulfonyl isocyanate to highly strained bicyclic hydrocarbons (1971) (20)
- Chemical properties of dodecahedrane: monofunctionalization reactions (1988) (20)
- Synthetic studies targeted at the cytotoxic 8,9-seco-ent-kaurene diterpenes. Concise complementary stereocontrolled construction of the bridgehead olefin core (1989) (20)
- Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 4. Exploration of an Organometallic Approach to Construction of the Eastern Sector (1995) (20)
- Silanes in organic synthesis. 18. Preparation and reactivity of optically active vinyl- and dienylsilanes (1982) (20)
- Electronic control of stereoselectivity. 31. .pi.-Facial course of Diels-Alder cycloadditions to 10-isopropylideneisodicyclopentadiene (1985) (20)
- Zirconocene-mediated route to enantiopure 9-oxabicyclononanes functionalized on both carbon bridges. (2003) (20)
- Multifaceted consequences of holding two [8]annulene rings face-to-face. Synthesis, structural characteristics, and reduction behavior of [22](1,5)cyclooctatetraenophane (1992) (20)
- Tandem anionic [3,3] sigmatropy and SN' displacement. New synthetic technology for the construction of hydroazulenone and related frameworks (1990) (20)
- Silicon in organic synthesis. 16. A short synthesis of (+±)-α-vetispirene (1982) (20)
- Enantioselective construction of natural (+)-pallescensin A. A sigmatropic pathway to furanosesquiterpenes (1992) (20)
- Silver(I) ion catalyzed rearrangements of strained .sigma.-bonds. VII. Evidence for the intervention of argento carbonium ions in bicyclo[1.1.0]butane isomerizations (1971) (20)
- .alpha.-Halo sulfones. XXI. Bishomoconjugative rearrangement pathway. Structural bond relocation attending the dehydrohalogenation of unsaturated cyclic .alpha.-halo ketones and sulfones (1973) (20)
- Comparative analysis of diastereoselection levels attainable during controlled exo and endo addition of chiral cyclopentenyl organometallics to optically pure and racemic 1-vinyl-2-norbornanones (1990) (20)
- Intramolecular anionic cyclization route to capped [3]peristylanes (1986) (20)
- Regio- and stereochemical course of the ring expansion of bridged bicyclic ketones to spirocyclic .alpha.-keto tetrahydrofurans. (1992) (20)
- (+)-Pleuromutilin synthetic studies. Direct degradation to and independent preparation of an advanced diketone intermediate. Demonstration that reconstruction of the eight-membered ring suffers from serious kinetic retardation (1988) (20)
- Synthetic studies aimed at (-)-cochleamycin A. Evaluation of late-stage macrocyclization alternatives. (2004) (20)
- Unsaturated heterocyclic systems. LXXIV. Electrochemical studies of the reduction of 2-methoxyazocines in aprotic solvents. Comparison with the cyclooctatetraene system (1971) (19)
- Factors conducive to the cascade rearrangement of sterically congested and geometrically restricted three-membered rings ― Facile synthesis of a topologically nonplanar heterocycle (1984) (19)
- Enantioselective synthesis of natural (-)-austalide B, an unusual ortho ester metabolite produced by toxigenic cultures of Aspergillus ustus (1994) (19)
- Electronic stabilization of sulfenes (1969) (19)
- Use of Metalated Enecarbamates in the Squarate Cascade. Direct Access to Highly Functionalized 2,4-Cyclooctadienones by Intramolecular Interception of the Mesocyclic Dienolates. (1997) (19)
- Unsaturated heterocyclic systems. XCI. Stereochemical and substituent effects in chlorosulfonyl isocyanate additions to cis-bicyclo[6.1.0] nonatrienes (1973) (19)
- Isodicyclopentadienes. 35. Bis(isodicyclopentadienyl) complexes of the group 4 transition metals. Stereoselective synthesis and crystal structures of the titanocene and zirconocene dichloride derivatives (1987) (19)
- Halothiation as a Method for Oxidation of Primary Halides and Terminal Olefins to Aldehydes (1977) (19)
- The Carbohydrate-Sesquiterpene Interface. A Zirconocene-Mediated Synthesis of (+)-Epiafricanol from d-Glucose (2002) (19)
- Centenary Lecture. Bridgehead unsaturation in compounds of nature: a proper forum for unleashing the potential of organic synthesis (1995) (19)
- The Squarate Ester-1,3,5,7-Octatetraene-Polyquinane Cascade: Reaction Efficiency Is Intimately Linked to the Locus of Substitution within the Vinyl Anion (1995) (19)
- Development of an access route to the c31-c52 central core of amphidinol 3. (2007) (19)
- Ingenane synthetic studies. An expedient approach to highly oxygenated ABC subunits of ingenol via reductive dialkylative annulation and .alpha.,.beta.-epoxy ketone photoisomerization (1984) (19)
- Intramolecular reaction rate is not determined exclusively by the distance separating reaction centers. The kinetic consequences of modulated ground state strain on dyotropic hydrogen migration in systems of very similar geometric disposition (1991) (19)
- Reversible Charge-Accelerated Oxy-Cope Rearrangements (1998) (19)
- An Enantioselective Approach to the Taxanes: Direct access to functionalized cis‐tricyclo[9.3.1.03,8]pentadecanes via α‐hydroxy ketone and Wagner‐Meerwein rearrangements (1992) (19)
- Setting the Bridgehead Oxidation Level in trans‐Tricyclo[9.3.1.03,8]pentadecanes as a Prelude to the Dual Synthesis of Taxol and Taxusin (1992) (19)
- Preparatively useful dehydrogenative method for dodecahedrane synthesis (1986) (19)
- Fused Aromatic Derivatives of Thiete and Thiete Sulfone1 (1965) (19)
- α-Halosulfones. II. The Ramberg-Backlund Rearrangement of α,α-Dichlorosulfones. The Solvolytic Fate of α-Chloroepisulfones (1964) (19)
- Exploratory studies aimed at a synthesis of vinigrol. 4. Probe of possible means for direct connection of the side arms and of ring-contraction alternatives. (2005) (19)
- Spirocyclic Restriction of Nucleosides (2004) (19)
- Ring and carbon-oxygen bond fragmentation as tools for fingerprinting the extent of homolysis during base-catalyzed carbon-carbon bond cleavages of the Haller-Bauer, Cram, and Gilday types (1989) (19)
- A versatile titanium-mediated procedure for diversified bisfunctionalization of λ-lactols (1983) (19)
- Silver(1+) ion catalyzed rearrangements. XXXII. Unsaturated heterocyclic systems. XCIII. Probing of the interrelation between heteroatomic substitution and equilibrium imbalance in 2,8-trimethylenesemibullvalene derivatives (1975) (19)
- Triplet-sensitized photoisomerization of 1,4-disubstituted benzonorbornadienes. Intramolecular competition by electronically diverse bridgehead functionality (1984) (19)
- Recent Synthetic Developments in Polyquinane Chemistry (1983) (19)
- Highly enantioselective total synthesis of natural epoxydictymene. An alkoxy-directed cyclization route to highly strained trans-oxabicyclo[3.3.0]octanes (1997) (19)
- Synthetic equivalents of the taxol C,D ring system. Examination of nucleophilic bicyclic oxetanes and less-strained acetonide equivalents (1993) (19)
- Intramolecular nucleophilic addition to unsaturated carbon. Dependence of cyclization efficiency on the method of carbon-carbon bond cleavage utilized to generate the reactive species (1989) (19)
- FIRST SYNTHESIS OF CYTOTOXIC 8,9-SECOKAURENE DITERPENOIDS. AN ENANTIOSELECTIVE ROUTE TO (-)-O-METHYLSHIKOCCIN AND (+)-O-METHYLEPOXYSHIKOCCIN (1997) (19)
- Comparative investigation of kinetic consequences associated with long-range electronic effects on catalytic ruthenium-promoted ring-closing metathesis (2002) (19)
- Factors Influencing 1,4-Asymmetric Induction during Indium-Promoted Coupling of Oxygen-Substituted Allylic Bromides to Aldehydes in Aqueous Solution. (1997) (19)
- Chiral reagents for asymmetric synthesis (2003) (19)
- Stereoselective formation from a (1S,5S)-(−)-verbenone-derived cyclopentadiene of dimeric and mixed titanium and zirconium dichloride complexes (1989) (19)
- Substituent effects on the regioselectivity of carbon-hydrogen insertion arising during stereospecific intramolecular cyclization of 7-norcaranylidenes (1974) (19)
- Chiral perturbation of olefins by deuterium substitution. The optical activity and circular dichroism behavior of (1S)-[2-2H]norbornene and deuterated apobornenes (1980) (19)
- Cycloaddition of azides to hexamethyl (Dewar benzene) (1972) (18)
- Anionic rearrangements of syn- and anti-7-cyclopentenyl-7-hydroxynorbornenes. The case for sequential ring cleavage and intramolecular Michael addition (1987) (18)
- Studies toward the total synthesis of dumsin. 2. A second generation approach resulting in enantioselective construction of a functionalized ABC subunit of the tetranortriterpenoid insect antifeedant. (2007) (18)
- Electronic control of stereoselectivity. 27. The effect of apical spirocyclopropane substitution on the stereochemical course of Diels-Alder cycloadditions to norbornyl-fused diene systems (1984) (18)
- Generic synthesis of β-sultams via domino alkylation of bromomethanesulfonamides (2004) (18)
- Biocatalytic-based synthesis of optically pure (C-6)-functionalized 1-(tert-butyldimethylsilyloxy) 2-methyl-(E)-2-heptenes (1990) (18)
- Photochemical route to a representative 1,8-annulated 7-methylene-1,3,5-cyclooctatriene (1986) (18)
- "Stretched benzene." Kinetic analysis of possible pseudoaromaticity resulting from (2 + 2 + 1 + 1) partitioning of a neutral six-orbital six-electron system (1971) (18)
- meso- and dl-Bivalvane (pentasecododecahedrane). Enantiomer recognition during reductive coupling of racemic and chiral 2,3-dihydro- and hexahydrotriquinacen-2-ones (1975) (18)
- Isomerization behavior of 2,8-tetramethylenesemibullvalene under thermal, photochemical, and metal catalyzed conditions. Excited state semibullvalene-semibullvalene rearrangement (1974) (18)
- Enantiospecific synthesis of the the tricyclxc nucleus of acetoxycrenulide by claisen ring exfansion (1990) (18)
- Carbonyl Group Regeneration with Substantive Enhancement of Structural Complexity (1990) (18)
- Total synthesis of (.+-.)-pentalenolactone E methyl ester (1981) (18)
- Unsaturated heterocyclic systems. LX. Homotropylium cations. Substituent control on their generation and subsequent reactions (1969) (18)
- Through-bond interaction via cyclobutane relay orbitals as a means of extending conjugation. Synthesis of tricyclo[5.5.0.02,8]dodecatetraene, tricyclo[5.3.0.02,8]deca-3,5,9-triene, and 9,10-dimethylenetricyclo[5.3.0.02,8]deca-3,5-diene (1988) (18)
- Silicon in organic synthesis. 14. Five ring annulation processes based upon thermal rearrangement of (1-trimethylsilylcyclopropyl)ethylenes☆ (1982) (18)
- An indium-promoted alternative to the Knoevenagel condensation of aldehydes with methyl acetoacetate (1999) (18)
- The bicyclooctatetraenyl tetraanion. A quadruply charged 20 .pi.-electron biphenyl analog (1976) (18)
- Conformational consequences of intramolecular cyclopropanation within small bicyclic systems. Synthesis and desymmetrization of 1-methyltricyclo[2.2.2.02,6]octane-3,5-dione (1988) (18)
- Dihydroazepinone Chemistry. VI. The Photoisomerization of 1,3-Dihydro-3,5,7-trimmethyl-2H-azepin-2-one (1964) (18)
- Synthesis and chiroptical properties of (1S)-[2,5-2H2]bicyclo[2.2.2]octa-2,5,7-triene (2,5-dideuteriobarrelene) (1988) (18)
- Stereoselective Construction of the Dicyclopenta[a,d]cyclooctene Core of the Ceroplastin Sesterterpenes by Way of the Anionic Oxy-Cope Rearrangement (1996) (18)
- .pi.-Facially controlled nucleophilic additions of chiral vinylorganometallics to chiral .beta.,.gamma.-unsaturated ketones. 1. Double diastereoselection studies involving 7,7-dimethoxy-5-norbornen-2-one. (1986) (18)
- Enantioselective total synthesis of (-)-subergorgic acid (1993) (18)
- ACETYLIDE ANIONS EXERT COMPLETE CONTROL OVER ALDOLIZATION DURING THE DIRECT CONVERSION OF SQUARATE ESTERS INTO POLYQUINANES (1995) (18)
- Studies Directed toward the Synthesis of the Unusual Antileukemic Diterpene Jatrophatrione. 1. A Solution to the Problem of Chirality Merger during Elaboration of the Entire Carbotricyclic Framework. (1999) (18)
- Electrophile-initiated ring-opening reactions of 2-methylene-6,6-dimethylbicyclo[3.1.0]hexanes. New methodology for the synthesis of highly functionalized 1,2,3-trisubstituted cyclopentenes (1983) (18)
- Stereocontrolled Oxygenation of Camphor Derivatives as a Prelude to the Complete .beta.-Ring Functionalization of Potential Precursors to Taxol and Structural Analogs Thereof (1995) (17)
- Orbital interaction in 2a,8b-dihydrocyclopent[]azulene (1973) (17)
- Uniparticulate electrophilic addition to alkenylidenecyclopropanes (1973) (17)
- Direct comparison of the response of bicyclic sultam and lactam dienes to photoexcitation. Concerning the propensity of differing bond types to bridgehead nitrogen for homolytic cleavage. (2006) (17)
- The consequences of methyl substitution on the efficiency and regioselectivity of C-H insertion during intramolecular cyclization of norcaran-7-, 3-norcaren-7-, and tricyclo[5.1.0.03,5]octan-8-ylidenes (1977) (17)
- Synthesis and dynamic behavior of (1,5)cyclooctatetraenophanes: effect of distal atom bridging on racemization rates and electrochemical reducibility (1990) (17)
- Unsaturated Heterocyclic Systems. XVII.1 The Reaction of 2(1H)-Pyridone with Hexafluoro-2-butyne (1965) (17)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. V. Stereochemical and kinetic analysis of the isomerization of bicyclo[1.1.0]butanes (1971) (17)
- Propellanes—XXXI : The diels-alder reaction of [4.4.2]propellanes with 4-phenyl-1,2,4-triazoline-3,5-dione (1976) (17)
- Silicon in organic synthesis. XXVI: Expedient synthesis of dicyclopropylideneethane via functionalized 1-(trimethylsilyl)cyclopropanes (1984) (17)
- Toward a Total Synthesis of Okilactomycin. 1. A Direct, Enantiocontrolled Route to the Western Sector (2002) (17)
- Bishomoconjugative .alpha.-halo ketone rearrangement as a route to bicyclo[4.2.1]nona-2,4,7-trien-9-one and barbaralone derivatives (1972) (17)
- Isodicyclopentadienes and related molecules. 45. (1R)-(-)-Nopol as the source of an optically pure fused cyclopentadienyl ligand. Stereochemical course of complexation to cyclopentadienyltitanium and -zirconium dichloride fragments (1989) (17)
- Silicon in organic synthesis. 23. Chloro[(trimethylsilyl)methyl]ketene as a useful intermediate for the elaboration of .alpha.-methylenecyclobutanones and -cyclopentanones (1984) (17)
- A modular approach to marine macrolide construction. 4. Assembly of C36-C51 and C29-C44 building blocks and evaluation of key coupling reactions targeting spongistatin 1 (altohyrtin A). (2007) (17)
- Catalytic enantioselective hydrogenation of 1,1-disubstituted alkenes with optically active titanocene and zirconocene complexes containing either identical or different ligands (1995) (17)
- Synthesis of the forskolin skeleton via anionic oxy-cope rearrangement (1987) (17)
- Synthesis and absolute configuration of 4,5-diazatwist-4-ene (1980) (17)
- Base-promoted 1,2-shifts in α-benzyloxy ketones (1999) (17)
- Cyclopentenyllithium additions to chiral aldehydes. Diastereofacial selectivity indicating the absence of a pronounced neighboring carboxylate anion effect (1991) (17)
- Studies directed toward the total synthesis of cerorubenic acid-III. 3. A convergent enantioselective approach involving new arrangements for the actuation of ring D cyclization (1993) (17)
- SYNTHETIC ENTRY INTO THE ENT-KAURENE FRAMEWORK. APPLICATION OF AN UNPRECEDENTED TRANSANNULAR CYCLIZATION FOR FORMING THE CENTRAL BOND COMMON TO THE B AND C RINGS (1997) (17)
- Photoisomerization of 3-cyclooctenones (1967) (17)
- Belting of the cyclooctatetraene ring across the transannular 1- and 5-positions (1987) (17)
- Spirocyclic restriction of nucleosides. An analysis of protecting group feasibility while accessing prototype anti-1-oxaspiro[4.4]nonanyl mimics. (2001) (17)
- Azabullvalenes and benzazabullvalenes. Unsaturated heterocyclic systems. LX (1969) (17)
- Propensity of 4-Methoxy-4-vinyl-2-cyclopentenones Housed in Tri- and Tetracyclic Frameworks for Deep-Seated Photochemical Rearrangement (2000) (17)
- Stereochemical aspects of ether oxygen participation. VI. Acid-promoted reactions of medium-sized cis [n.1.0] oxabicyclics (1972) (17)
- Isodicyclopentadienes and related molecules. Part 41. Stereochemical course of Diels-Alder cycloadditions to (hydroxymethyl)-substituted plane-nonsymmetric cyclopentadienes (1989) (17)
- Electronic control of stereoselectivity. 19. Stereoselection in [4 + 2] cycloadditions to anti,anti-2,3-diethylidenenorbornane and -norbornene. Crystal structure analysis of double bond deformation in the adducts (1983) (17)
- Conformational restriction of nucleosides by spirocyclic annulation at C4' including synthesis of the complementary dideoxy and didehydrodideoxy analogues. (2003) (17)
- Highly stereoselective beta-anomeric glycosidation of a 2'-deoxy syn-5'-configured 4'-spironucleoside. (2006) (17)
- Flattening of the cyclooctatetraene ring by annulation (1987) (17)
- 1,5-Asymmetric Induction in Squarate Cascades. Conformational Control of Helicity by Chiral Amino Substituents during Conrotatory Octatetraene Cyclization Prior to β-Elimination (1998) (17)
- Functionalization reactions of tricyclo[5.2.1.04,10]decane. The tricyclo[5.2.1.04,10]decane to adamantane rearrangement (1969) (16)
- Studies Directed to the Synthesis of the Antifungal Antibiotic Aleurodiscal. Enantioselective Construction of an Advanced β-d-Xyloside Congener (1998) (16)
- Triplet photoisomerization of 1-substituted 6-methoxybenzonorbornadienes. Excited-state competition between bridgehead and m-methoxy groups for intramolecular control of the dual channel di-.pi.-methane pathway. The vinyl deuterium isotope effect (1986) (16)
- Evaluation of possible intramolecular [4+2] cycloaddition routes for assembling the central tetracyclic core of the potent marine antiinflammatory agent mangicol A (2006) (16)
- Mechanistic Variations and Rate Effects of Alkoxy and Thioalkoxy Substituents on Anionic Oxy-Cope Rearrangements (1999) (16)
- Topologically spherical molecules. Synthesis of a pair of C2-symmetric hexaquinane dilactones and insights into their chemical reactivity. An efficient .pi.-mediated 1,6-dicarbonyl reduction (1979) (16)
- Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 5. A Radical Cyclization Route Leading to the Methyl Ester of the Natural Isomer1 (1998) (16)
- A simple route from cyclopentadiene to hypostrophene (1974) (16)
- Book Review, Carbocyclic Three-Membered Ring Compounds, Houben-Weyl, Methods of Organic Chemistry (1998) (16)
- 9,10-Dimethylenetricyclo[5.3.0.02,8]deca-3,5-diene (1987) (16)
- Total synthesis of (±)-sterpuric acid (1987) (16)
- Structural analysis of cis-[n.3.1]bicyclic ketones by x-ray crystallography. Impact of the observed conformational crossover by .pi.-facially diastereoselective nucleophilic additions to this class of ketones and on the stereochemical course of electrophilic reactions involving their methylene analo (1992) (16)
- The Synthesis of trans-3-Oxa-4-oxo- and trans-4-Oxa-3-oxobicyclo[5.4.0]undecanes (1962) (16)
- Definition of Several Control Elements Relevant to the Stereodefined Serial Elaboration of Belted Poly(spirotetrahydrofurans) Fitted with a Cyclohexane Core. (1996) (16)
- Mechanism of thietane formation from the reaction of 1,3-dioxan-2-ones with thiocyanate ion. Stereochemical investigation (1970) (16)
- Orbital interactions in “hypostrophene” and its hydro-and homo-derivatives. A photoelectron spectroscopic investigation (1980) (16)
- Stereochemical features of Lewis acid-promoted glycosidations involving 4'-spiroannulated DNA building blocks. (2004) (16)
- The Chemistry of Silylcyclopropanes (1981) (16)
- THERMALLY INDUCED DEGENERATE SKELETAL REARRANGEMENT AND ISOMERIZATION REACTIONS OF CYCLOOCTATETRAENES (1974) (16)
- Formation of Highly Oxygenated [4.4]Spirononenes via Lewis Acid-Catalyzed Isomerization of Adducts to Squarate Esters. Total Synthesis of Dimethyl Gloiosiphone A (1996) (16)
- Isodicyclopentadienes and related molecules. 47. A shelf-stable syn-sesquinorbornatriene. An extreme example of a crystallographically determined .pi.-pyramidalization angle (1989) (16)
- (4R)-(+)-TERT-BUTYLDIMETHYLSILOXY-2-CYCLOPENTEN-1-ONE : (2-CYCLOPENTEN-1-ONE, 4-1,1-DIMETHYLETHYL)DIMETHYLSILYLOXY-, (R)-) (1996) (16)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. IV. Fate of tricyclo[4.1.0.02,7]heptane (1970) (16)
- Contrasting responses of pyrido[2,1-a]isoindol-6-ones and their sultam counterparts to photochemical activation. (2009) (16)
- Full control of regioselectivity in linear and angular polyquinane construction from squarate esters by incorporation of a leaving group into a single vinyl anion reactant (1995) (16)
- Chlorination of conjugated dienamides. New application of the principle of least motion (1967) (16)
- Isodicyclopentadienes and related molecules. 58. Structural analysis of a camphor-derived cyclopentadienyllithium compound by NMR and MNDO. A ternary equilibrium in tetrahydrofuran (1991) (16)
- Solvolytic studies of unsaturated 11-hydroxymethylbicyclo[4.4.1]undecane 3,5-dinitrobenzoates. Valence isomerization leading to conformationally distinguishable annulated norcaradienylcarbinyl cations and the question of remote p.pi. stabilization of such .sigma.-delocalized systems (1974) (16)
- Pyrolysis of anti-tricyclo[3.2.0.02,4]heptanes. Role of 2,4 substitution in the operation of .sigma. bond assisted cyclobutane fragmentations (1971) (16)
- Conformationally constrained purine mimics. Incorporation of adenine and guanine into spirocyclic nucleosides. (2004) (16)
- Suitability of the Claisen ring expansion protocol for crenulide diterpene construction (1995) (16)
- CARBON-CARBON BOND CLEAVAGE BY THE HALLER-BAUER AND RELATED REACTIONS A REVIEW (1990) (16)
- Silanes in organic synthesis. 10. Cleavage reactions of silylcyclopropanes with titanium tetrachloride and hydrogen chloride (1981) (16)
- From common carbohydrates to enantiopure cyclooctane polyols and glycomimetics via deoxygenative zirconocene ring contraction. (2006) (16)
- Tricyclo[5.3.0.02,8]deca-3,5,9-triene (1987) (16)
- Evaluation of Furan Photooxygenation as a Device for Construction of the Zaragozic Acid (Squalestatin) Core. (1996) (16)
- Free radical cyclization approach to a functionalized [3] peristylane (1989) (16)
- Control of regioselectivity in the di-.pi.-methane rearrangements. Triplet-sensitized photoisomerization of benzonorbornadienes carrying cyano substituents in the aryl and vinyl segments (1979) (16)
- An indirect method for engaging unactivated alkenes as effective dienophiles in regioselective Diels-Alder reactions (1983) (16)
- [4.4.4]Propellahexaene by triple Shapiro degradation. Structural and electronic properties of this maximally unsaturated hydrocarbon and consequences of O-methylation of its [4.4.4]propellatrienetrione precursors (1990) (15)
- A functionalized trisecododecahedrane having C2 symmetry (1976) (15)
- Total synthesis of 18-oxo-3-virgene, a constituent of the waxy surface resins of tobacco (1994) (15)
- STEREOCONTROLLED PREPARATION OF PRECURSORS TO ALL PRIMARY PROSTAGLANDINS FROM BUTADIENE (1981) (15)
- SILICON IN ORGANIC SYNTHESIS. 25. THERMOLYSIS AND DESILICONATION-ALKYLATION OF (1-(TRIMETHYLSILYL)CYCLOPROPYL)ETHYLENES AS A ROUTE TO SPIROCYCLIC SESQUITERPENES (1985) (15)
- Silver(I) ion-catalyzed rearrangements of strained .sigma. bonds. XXI. Stereospecificity and regioselectivity attending type .gamma. rearrangement of 1,3-disubstituted tricyclo[4.1.0.0.2,7] heptanes under conditions of silver(I) catalysis (1974) (15)
- Tandem Development of Aqueous Indium Chemistry and Ring‐Closing Metathesis as a General Route to Fused‐Ring α‐Methylene‐γ‐butyrolactones (2002) (15)
- Silicon in organic syntheis. 13. The 1-trimethylsilylcyclopropyl anion and its formal equivalent (1982) (15)
- Addition of 2,3-dihydro-5-furanyllithium to diisopropyl squarate as a means for the rapid generation of structurally complex oxygen-containing tetraquinane networks (1996) (15)
- BOND FIXATION IN ANNULENES. 6. EQUALIZATION OF RING INVERSION AND BOND SHIFTING ENERGETICS IN METHYL-SUBSTITUTED CYCLOOCTATETRAENES. USE OF BUTTRESSING EFFECTS FOR COMPARING TRANSITION-STATE GEOMETRIES (1979) (15)
- Bond fixation in annulenes. 7. Direct resolution of chiral cyclooctatetraenes (1980) (15)
- Electronic control of stereoselectivity. 16. Role of pendant methyl groups in controlling the rate and stereochemical outcome of Diels-Alder additions to tricyclo[5.2.1.02,6]decadienes and -trienes (1983) (15)
- Synthesis, Chiroptical Properties, and Absolute Configuration of (+)-2,3-Dihydrotriquinacen-2-one. Effect of Rigid Triquinacene Geometry on the Inherently Dissymmetric Chromophore (1975) (15)
- Binding of unsaturated propellanes to transition metal centers, hexacarbonylmolybdenum-promoted skeletal isomerization of [4.4.2]propella-2,4,11-trienes (1977) (15)
- Oxidation of 1-(Triphenylsilyl)cyclopropenes with Dimethyldioxirane (1994) (15)
- cis-Bicyclo[5.2.0]nona-2,5,8-triene to cis-bicyclo[6.1.0]nona-2,4,6-triene rearrangement. Elucidation of the relative efficiencies of syn-disposed cyclopropane and cyclobutene ring cleavages during azo decomposition (1971) (15)
- Unsaturated heterocyclic systems. LXII. A synthetic entry into the azasemibullvalene system (1969) (15)
- Chemical properties of dodecahedrane. The dodecahedryl cation and 1,16-dodecahedryl dication. Regioselective difunctionalization of the sphere (1988) (15)
- Synthesis and biological evaluation of analogs of the marine toxin polycavernoside A. (1999) (15)
- Syntheses and properties of some exo,exo-bis(isodicyclopentadienyl)titanium low-valent complexes (2002) (15)
- Cope rearrangement of 9-methylenebarbaralane. Complete line shape analysis (1973) (15)
- .alpha.-Halo sulfones. XX. Novel structural rearrangements attending the dehydrohalogenation of unsaturated cyclic .alpha.-halo sulfones. Synthesis of 9-thiabicyclo[4.2.1]nona-2,4,7-triene 9,9-dioxides (1971) (15)
- Stereoselective Access to New Half-Sandwich Complexes Containing an Isodicyclopentadienyl Ligand (2000) (15)
- Control by meta substituents of benzo-vinyl bonding options during triplet sensitized photorearrangement of benzonorbornadienes and anti-7,8-benzotricyclo[4.2.2.02,5]deca-3,7,9-trienes (1977) (15)
- Rapid construction of the tetracyclic nucleus of cerorubenic acid-III by oxyanionic cope chemistry (1988) (15)
- Studies Toward an Asymmetric Synthesis of CP-263,114 and CP-225,917 (2000) (15)
- Thermally promoted ring cleavage reactions of stereoisomeric tetracyclo[4.3.0.02,5.07,9]non-3-enes, pentacyclo[5.3.0.02,6.03,5.08,10]decanes, and their epoxide counterparts (1976) (15)
- Electronic structure of tricyclo[4.1.0.02,7]hept-3-enes. Correlation with the regioselectivity of electrophilic attack (1978) (15)
- On possible redirection of the course of anionic oxy-cope rearrangements (1988) (15)
- Pestalotiopsin a. Enantioselective construction of potential building blocks derived from antipodal cyclobutanol intermediates. (2007) (15)
- Cyclic nitrone free radical traps: isolation, identification, and synthesis of 3,3-dimethyl-3,4-dihydroisoquinolin-4-ol N-oxide, a metabolite with reduced side effects. (1996) (15)
- Mechanistic Variations and Rate Effects of Alkoxy and Thioalkoxy Substitutents on Anionic Oxy-Cope Rearrangements [J. Am. Chem. Soc. 1999, 121, 11880−11884]. (2000) (15)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. 37. Steric inhibition of a silver(I)-catalyzed 1,8-bishomocubana-snoutane rearrangement (1978) (15)
- Total synthesis of (+)-grindelic acid by stereocontrolled oxonium ion activated pinacol ring expansion. Chemical proof of the absolute configuration of all grindelane diterpenes (1995) (15)
- Contrasting diastereofacial selectivity associated with N-phenyltriazolinedione cycloadditions to oxaspirocycloheptatrienes. (2003) (15)
- Generation and chemical trapping of a bis(ethano) derivative of tricyclo[3.3.0.03,7]oct-1(5)-ene. The consummate member of a series of pyramidalized alkenes (1992) (15)
- (4S)-(-)-TERT-BUTYLDIMETHYLSILOXY-2-CYCLOPENTEN-1-ONE : ((4S)-(-)-TERT-BUTYLDIMETHYLSILOXY-2-CYCLOPENTEN-1-ONE) (1996) (15)
- Unsaturated heterocyclic systems. LXVIII. Cycloaddition reactions of thiete 1,1-dioxides. Preparation of 2-thiabicyclo[2.2.0]hexane derivatives (1970) (15)
- Spin distributions and geometries of the radical cations of sesquinorbornenes and other polycyclic tetraalkylethenes (1989) (15)
- Kinetic resolution during condensation of chiral (racemic) cyclopentenyllithiums with (R)-(−)-isopiperitenone. A short route to optically active annulated germacranolides (1988) (15)
- Photorearrangement of .beta.,.gamma.-unsaturated ketones. Application to the synthesis of bridged bicyclic ketones (1969) (15)
- Electrochemical investigation of benzo- and sym-dibenzocyclooctatetraenes (1972) (15)
- Thermal isomerization reactions of cis-9,10-dihydronaphthalene derivatives (1975) (15)
- Expedient Construction of the Dicyclopenta[a,d]cyclooctene Core of Ceroplastin Di- and Sesterterpenes (1990) (15)
- Isodicyclopentadienes and related molecules. 43. Stereochemical course of .pi.-face coordination to isodicyclopentadiene during formation of mixed titanocene and zirconocene dichloride complexes (1989) (15)
- Synthesis of the azabullvalene system (1967) (15)
- Synthesis of the tripeptide (C1–N12) and hydroxylated hexadecene (C26–C41) domains of sanglifehrin A and C (1999) (15)
- Total synthesis of racemic silphinene (1982) (15)
- Stereocontrolled construction of hydroazulenones by sequential anionic oxy-Cope rearrangement - SN' allylic ether displacement (1989) (15)
- Synthesis of Both Antipodal Forms of 7,7-Dimethylbicyclo[2.2.2]oct-2-en-5-one by Enantiomer Interconversion (1996) (14)
- Acid-promoted rearrangements involving transannular ether oxygen participation (1968) (14)
- Synthesis of nitro derivatives of [4]peristylane having high-density characteristics (1988) (14)
- Electronic control of stereoselectivity. 15. Stereoselectivity of Diels-Alder cycloadditions to norbornyl- and norbornenyl-fused spirocyclic cyclopentadiene systems (1983) (14)
- Unsaturated heterocyclic systems. XXXIX. Transannular cyclizations in medium-sized unsaturated azalactams (1968) (14)
- Comprehensive Organic Transformations. Von R. C. Larock. VCH Publishers, Inc., New York/VCH Verlagsgesellschaft, Weinheim 1989. XXXIV, 1160 S., geb. $ 55.00. — ISBN 0‐89573‐710‐8 (1990) (14)
- Sigma-Halo sulfones. XI. Ramberg-Backlund rearrangement of trichloromethyl sulfones (1968) (14)
- 1(5)-Cyanosemibullvalene from barrelene. Spectral and crystal structure analysis of the marked equilibrium preference exerted by an efficient .pi.-electron acceptor substituent (1975) (14)
- Electronic control of stereoselectivity. 6. Directionality of singlet oxygen addition to 1,4-dimethoxynaphthalenes laterally fused to bridged bicyclic systems (1980) (14)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. XXVI. Silver(I)-catalyzed valence isomerization of substituted 1,8-bishomocubanes. Stereochemical aspects (1975) (14)
- Regio- and stereoselective 1,2 Wagner-Meerwein shifts during trifluoroacetic acid catalyzed isomerization of unsymmetrically substituted tricyclo[3.2.0.02,4]heptanes (1980) (14)
- Cleavage of carbon-carbon bonds with high stereochemical control. 7. Chiral .alpha.-silyl benzoylcycloalkanes undergo base-catalyzed cleavage with retention of configuration when not sterically congested (1989) (14)
- An optically active cyclooctatetraene incapable of racemization (1986) (14)
- Intramolecular Cyclization of Tethered Phenyl Ketones. Complementary Stereochemical Results Arising from the Indium-Promoted Ring Closure of Allyl Bromides and the Fluoride Ion-Induced Desilylation of Allylsilanes (1998) (14)
- Cyclopentannulation with a 1,3-dicarbonyl dipole equivalent. Synthesis of bicyclo[3.3.0]oct-1(5)-ene-2,6-dione (1986) (14)
- Assessment of the relative efficiencies of syn-disposed cyclopropane, cyclobutane, and cyclobutene ring participation in the photolysis of azo compounds. Kinetic analysis of a cis-bicyclo[5.2.0]nona-2,5,8-triene to cis-bicyclo[6.1.0]nona-2,4,6-triene rearrangement (1973) (14)
- A Modular Enantioselective Approach to Construction of the Macrolactone Core of Polycavernoside A. (1998) (14)
- Stable carbocations. CLXXVII. Protonation in superacid solution of selected exo-methylene polyunsaturated alicyclics. Monomethyl 1,3-bishomotropylium, bicyclo[3.2.2]nonatrienyl, and norbornadienyl cations (1975) (14)
- Synthesis and chiroptical properties of 5,7-dioxobicyclo[2.2.2]oct-2-ene and bicyclo[2.2.2]octane-2,5-dione (1985) (14)
- A Unified Strategy for the Stereocontrolled Construction of Structurally Unusual Sesquiterpene Lactones. Asymmetric Synthesis of Vulgarolide and Deoxocrispolide (1996) (14)
- Synthesis of Stereoisomeric Medium-Ring α,α‘-Dihydroxy Cycloalkanones (2004) (14)
- Synthesis and reactivity patterns of meso- and dl-bistriquinacene. Efficient route to the diastereomeric bivalvanes (1976) (14)
- Electronic control of stereoselectivity. 13. Stereochemically specific Diels-Alder additions to norbornyl- and norbornenyl-fused fulvene systems (1983) (14)
- Intramolecular Oxymercuration of Stereoisomeric Cyclohexyl-Belted Poly(spirotetrahydrofuranyl) Platforms (1998) (14)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. XXVII. Kinetic analysis of the silver(I)-catalyzed 1,8-bishomocubane-snoutane rearrangement (1975) (14)
- Combined Addition of Alkenyl and Allenic Anions to Squarate Esters. Direct Competition between Six-Ring and Eight-Ring Electrocyclization of 1,2,4,6,8-Cumulenic Pentaenes. (1997) (14)
- Synthesis of an enantiomerically pure 2,2,4-trisubstituted cyclobutanone building block by zirconocene-promoted deoxygenative ring contraction of structurally modified 4-vinylfuranosides (2004) (14)
- Measurement of the double-bond strain energy in dodecahedrene by thermochemical bracketing of gas-phase ion molecule reactions (1989) (14)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. XXIX. Influence of structural features on the course of transition metal catalyzed 1,8-bishomocubane rearrangements (1975) (14)
- Silanes in organic synthesis. 21. Configurational stability of the 2,2-diphenyl-1-(trimethylsilyl)cyclopropyl carbanion and free radical. Absolute stereochemical assignments to select silylcyclopropanes (1984) (14)
- [1,5]-Hydrogen sigmatropy within isodicyclopentadiene. Cycloadditive capture of a fleeting isomer with dienophiles of low reactivity (1982) (14)
- Triplet-state benzonorbornadiene di-.pi.-methane photorearrangements. Competition between bridgehead and vinyl substituents for control of the product-determining 1,2-aryl shift step (1987) (14)
- Enantioselective synthesis of (+)-cleomeolide, the structurally unique diterpene lactone constituent of Cleome viscosa (1993) (14)
- Efficient synthesis of (-)-triquinacene-2-carboxylic acid (1974) (14)
- Belted spirocyclic tetrahydrofurans - a new class of preorganized ionophoric polyethers. Molecular structure, conformation, and binding to alkali metal atoms (1991) (14)
- Silver (I) ion catalyzed rearrangements of strained .delta. bonds. 34. A study of the capacity of Group 4 substituents for directing the course of silver(I)-catalyzed tricyclo[4.1.0.02,7]heptane rearrangement into the elusive type .delta. manifold (1978) (13)
- Pyrolytic conversion of bicyclo[4.2.0]octatrienes to cyclooctatetraenes. Tetracyclo[3.2.0.02,8.05,7]octene pathway of thermal bond reorganization (1972) (13)
- Electrostatic modulation of hydroxyl group ionization in acidic media. Evidence for the competitive operation of intramolecular SN2 reactions (1992) (13)
- Synthesis of hexacyclo[5.4.1.02,6.03,10.04,8.09,12]dodecane‐5,11‐dione and its conversion to di‐, tri‐, and tetranitro‐1,3‐bishomopentaprismanes (1986) (13)
- Model for diastereomer differentiation during 1,2-addition of chrial (racemic) cyclopentenyl organometallics to [4.2.0] bicyclic enones carrying exocyclic .beta.,.gamma.-double bonds (1989) (13)
- [22](1,5)Cyclooctatetraenophane (1990) (13)
- Enhanced Channeling of the Squarate Cascade through the Dianionic Oxy-Cope Option. Oxy Substitution Markedly Augments Syn Delivery of the Second Alkenyllithium (1997) (13)
- .alpha.-Halo sulfones. XVI. .alpha.-Chlorodicyclopropyl sulfone. Its synthesis and behavior toward bases (1971) (13)
- Mećhanistic dichotomy in cycloadditions to cyclooctatetraeneiron tricarbonyl. X-ray crystal structure analysis of the TCNE and CSI adducts (1973) (13)
- Practical synthesis of enantiopure spiro[4.4]nonane C-(2'-deoxy)ribonucleosides. (2005) (13)
- Electronic control of stereoselectivity. 14. Long-range control by norbornane frameworks of cyclopentadienide reactivity. Stereoselective capture of electrophiles by tricyclo[5.2.1.02,6]deca-3,8-dienyl anions (1983) (13)
- Alkali metal reduction studies of cis- and trans-bicyclo[6.1.0]nona-2,4,6-trienes in liquid ammonia. Evidence for the high basicity of monohomocyclooctatetraene dianions (1974) (13)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. 33. Benzoannulation as a probe of structural dimension and .pi.-electron distribution in elassovalenes. A mathematical model for the assessment of homoaromaticity (1977) (13)
- In pursuit of pestalotiopsin a via zirconocene-mediated ring contraction. (2006) (13)
- From D-glucose to enantiomerically pure cycloctanoses. The glycosidase inhibitory capacity of medium-ring carbasugars. (2009) (13)
- Evaluation of Amino Substituents as Nucleofugal Controllers of Regioselectivity and as Chelate Modulators of Stereoselectivity in Squarate Ester Cascades (1998) (13)
- Unsaturated heterocyclic systems. LXXXIX. Reactivity of bicyclo [4.2.2] deca-2,4,7,9-tetraene derivatives under conditions of uniparticulate electrophilic addition. Intramolecular capture of zwitterionic bridged 1,4-bishomotropylium (bicyclo [4.3.1] deca-2,4,7-trienyl) intermediates (1973) (13)
- Heteroatomic Influences on the .pi.-Facial Selectivity of Diels-Alder Cycloadditions to Dispiro[4.0.4.4]tetradeca-11,13-dienes (1995) (13)
- Total synthesis of (.+-.)-multifidene, the gamete attractant of the phaeophyte Cutleria multifida (1981) (13)
- Unsaturated heterocyclic systems. LXIV. Synthesis and photoisomerization of homo-1H-azepine derivatives (1970) (13)
- Cyclopropanation of spherical hydrocarbons without need for prior olefination. The synthesis of cyclopropadodecahedranes (1988) (13)
- Constraining of small-ring cyclic ether triads by stereodefined spiroannulation to an inositol orthoformate platform. Solution- and gas-phase alkali metal binding affinities for three- to five-membered ring structural combinations. (2001) (13)
- Crystal structure analysis of an osmium(VI) bisglycolate produced by reaction of a sterically hindered chiral nonracemic alkene with osmium tetroxide (1990) (13)
- Cycloaddition reactions of triazolinediones to tricyclo[4.1.0.02,7]hept-3-enes. Consequences of charge control as compared to frontier orbital control (1978) (13)
- Some Diels—Alder Studies of the 1,3-Dihydro-2H-azepin-2-ones1 (1964) (13)
- Unsaturated heterocyclic systems. LIV. Photorearrangements of the methyl-N-carbomethoxyazepines (1969) (13)
- DIASTEREOSELECTIVE INDIUM-PROMOTED ADDITION OF FUNCTIONALIZED ALLYL BROMIDES TO N-BENZYL-2,3-AZETIDINEDIONE UNDER AQUEOUS CONDITIONS (1998) (13)
- A Facile Conversion of 3‐Norcarene into trans‐Bishomobenzene (1975) (13)
- ELECTRONIC CONTROL OF STEREOSELECTIVITY. 19. STEREOSELECTION IN (4 + 2) CYCLOADDITIONS TO ANTI,ANTI-2,3-DIETHYLIDENENORBORNANE AND -NORBORNENE. CRYSTAL STRUCTURE ANALYSIS OF DOUBLE BOND DEFORMATION IN THE ADDUCTS (1983) (13)
- Functionalization reactions of C16-hexaquinacene and related hemispherical molecules (1981) (13)
- Transannular Cyclizations in Medium-Sized Unsaturated Lactams. Apparent Dependence of Transannular Interaction upon Conformational Factors1,2 (1965) (13)
- Asymmetric induction in the sulfene-enamine condensation reaction (1971) (13)
- Highly diastereocontrolled synthesis of the C1–C25 domain of sanglifehrin A (2000) (13)
- Synthesis of the Cyclopentyl Nucleoside (−)‐Neplanocin A from D‐Glucose via Zirconocene‐Mediated Ring Contraction (2005) (13)
- Stereochemical Models for the Enantiocontrolled Construction of Fully Functionalized C Rings via Intramolecular Aldolization in Advanced Precursors to Paclitaxel (1998) (13)
- Realization of Complete Regiochemical Control during the Conversion of Squarate Esters into Complex Linear and Angular Polyquinanes. The Consequences of Incorporating a Leaving Group into One of the Alkenyllithium Reactants (1997) (13)
- Studies Directed toward the Synthesis of the Unusual Antileukemic Diterpene Jatrophatrione. 2. Functionalization of Advanced Polycyclic Precursors to the 9-Epi and 8,9-Dehydro Congeners. (1999) (13)
- Stereocontrolled total synthesis of the triquinane marine sesquiterpene Δ9(12)-capnellene (1984) (13)
- Solvolytic studies of tricyclo[4.2.0.02,4]octan-5-yl derivatives. Effect of cyclopropane and cyclobutane orbital alignments on reactivity and proclivity for rearrangement (1974) (12)
- Systematic Analysis of the Intramolecular Competition Associated with the Ring Closing Metathesis of Ene-Diene Systems of Differing Chain Length with a Pair of Ruthenium Catalysts (2002) (12)
- The photoelectron spectra of tricyclo[3.3.0.02,6]Octene and tricyclo[3.3.0.02,6]Octane (1974) (12)
- Photoelectron spectra of polyunsaturated [4,4,2]propellanes (1973) (12)
- Physicochemical studies of doubly and triply unsaturated syn- and anti-sesquinorbornanes. Photoelectron spectroscopy, molecular orbital calculations, and deuterium-induced carbon-13 NMR shifts (1987) (12)
- Quantitation of deuterium-hydrogen NMR isotope effects on carbon-13 chemical shifts. Linear correlations associated with hybridization and charge density changes in norbornenyl systems (1986) (12)
- Synthesis of homocubane-4-carboxylic acid (1972) (12)
- Bond fixation in annulenes. 11. Synthesis and absolute configuration of the enantiomeric 1,3-di-tert-butylcyclooctatetraenes. Quantitative kinetic assessment of the effect of nonvicinal tert-butyl groups on [8]annulene ring-inversion and bond-shifting barriers (1981) (12)
- Bond fixation in annulenes. 15. A titanium(0)-mediated synthesis of a cyclooctatetraene. Probe of the relative size of the interstitial phenyl substituent in 1,3-dimethyl-2-phenylcyclooctatetraene by means of racemization kinetics (1983) (12)
- A Non-Carbenoid Ring Expansion of a Benzenoid System (1962) (12)
- Stabilized Derivatives of cis,cis,cis-1,3,5-Cyclodecatriene. Keto-Enol Tautomerism in 2,3-Dicarbomethoxy-cis,cis-3,5-cyclodecadienones and cis-3-Cycloalkenones1 (1966) (12)
- SHORT, STEREOCONTROLLED SYNTHESIS OF (4)PERISTYLANE (1983) (12)
- The Stereoselective Reaction of Bicyclic Enamines with Sulfene (1964) (12)
- Electrochemical and alkali metal reduction studies of silicon, germanium, and tin derivatives of cyclooctatetraene : Properties conferred by cyclooctatetraenide dianions by group IV substituents (1976) (12)
- ELECTRONIC CONTROL OF STEREOSELECTIVITY. 1. SINGLET OXYGEN AND RELATED ELECTROPHILIC ADDITIONS TO ARYL‐SUBSTITUTED 7‐ISOPROPYLIDENEBENZONORBORNENES (1979) (12)
- Optical activity associated with a highly fluxional molecule. Absolute configuration and chiroptical properties of 2(4)-methylsemibullvalene (1980) (12)
- Bond fixation in annulenes. 10. Utilization of buttressing effects for comparing ring inversion and .pi. bond shifting transition state geometries in cyclooctatetraenes (1980) (12)
- Second-generation, highly abbreviated route for elaboration of the oxetane D-ring in a fully functionalized taxane. (2005) (12)
- Silanes in organic synthesis (1979) (12)
- Palladium-catalyzed intramolecular cyclization of vinyl and aryl triflates. Associated regioselectivity of the beta-hydride elimination step. (1992) (12)
- A-ring oxygenation studies in bridgehead hydroxyl-substituted trans-tricyclo[9.3.1.03,8]pentadecan-14-one congeners of taxol (1993) (12)
- Sequenced reactions involving squarate esters. The first suggestion that helical equilibration within the advanced octatetraene intermediate is responsible for stereochemical control (1996) (12)
- Structural and stereochemical reassessment of sclerophytin-type diterpenes. (2002) (12)
- Total synthesis of (±)-acerosolide (1992) (12)
- Efficient synthesis of 4,5-benzotropone from o-xylylene dibromide (1975) (12)
- Stereocontrolled total synthesis of (.+-.)-pentalenolactone P methyl ester (1991) (12)
- Electronic control of stereoselectivity. 34. .pi.-Facial and tautomeric selectivities during Diels-Alder capture of isodicyclopentadienes by highly reactive dienophiles (1986) (12)
- The question of delocalization in "anchored" ions with potential trishomoaromatic character. 1. Reduction of tricyclo[5.4.1.04,12]dodeca-2,5,8,10-tetraene as a route to the 10.pi.11C dianion (1977) (12)
- Importance of Steric Requirements Relative to Electronic Contributions in Bicycloalkyl-Substituted Titanocene Dichlorides (1994) (12)
- .alpha.-Halo sulfones. IX. Directive effects in the chlorination of benzyl chloromethyl sulfides (1968) (12)
- 2-azabicyclo[3.2.0]heptan-3-ones (1972) (12)
- Bond fixation in annulenes. 3. The structural consequences of tetra- and pentamethyl substitution of the cyclooctatetraene ring (1976) (12)
- Studies directed toward the total synthesis of cerorubenic acid-III. 2. Analysis of the inability to realize D ring formation by means of extraannular Robinson annulation (1993) (12)
- Directed alkyl substitution of the dodecahedrane nucleus. The 1,4-dimethyl, 1,6-dimethyl, and 1,4,16-trimethyl derivatives. Indanododecahedrane by stepwise dehydrogenation of a benzylated seco derivative (1987) (12)
- High-Rate Accelerations in Oxy-Cope Rearrangements Induced by Sulfur Substitution: Kinetic Study Involving Electronically and Geometrically Differentiated 1-Alkenyl-2-(Z-1-propenyl)-7,7-dimethyl-exo-norbornan-2-ols (2000) (12)
- Synthesis and interconversion of benzo (CH)10 hydrocarbons (1972) (12)
- A means for stereocontrolled introduction of the C-2 oxygen substituent in functionalized cis-tricyclo[9.3.1.03,8]pentadecanones related to taxol (1993) (12)
- Orbital interactions in anti- and syn- tricyclooctadienes and their homoderivatives (1978) (12)
- Migratory selectivity in the ring expansion of .alpha.,.beta.-unsaturated cyclic ketones via .beta.-hydroxy selenides (1985) (12)
- Synthesis of amino-substituted dodecahedranes, secododecahedranes, and homododecahedranes, and their antiviral relationship to 1-aminoadamantane (1988) (12)
- Divergent response of a hindered cyclopropene to strong oxidizing agents (1991) (12)
- Diastereoselectivities Associated with the 1,2-Addition of Chiral (Racemic) Cyclopentenyl Organometallics to Bicyclo[2.2.2]octenones (1994) (12)
- Tandem Cope-Cope rearrangements (1994) (11)
- The Need for an Incisive Analysis of the Regioselectivity Associated with the Deprotonation of α-Alkoxy and α-Acyloxy Ketones (1999) (11)
- Dihydroazepinone Chemistry. II.1a Mechanistic Considerations of the Formation and Acid Hydrolysis of the 1,3-Dihydro-2H-azepin-2-ones (1963) (11)
- Geometric dependence to long-range interaction of fused cyclopropane rings in tris-.sigma.-homotropylium cations (1980) (11)
- Is potential coordination of alkali metal ions to stereodefined polyoxygenated cyclohexanes an adequate driving force for fostering the adoption of axial conformers (2005) (11)
- Synthesis of the parent 1,7-cyclohexenonorbornadiene and its quadricyclane valence tautomer (1987) (11)
- Isodicyclopentadienes and related molecules. Part 40. Stereocontrolled bifacial complexation of the isodicyclopentadienyl ligand to cyclopentadienyltitanium dichloride fragments (1988) (11)
- Exo- and endo-receptors in one. A novel class of supramolecular structures housing transition-metal-binding bi- and terpyridine units alongside lithium ion-selective trispirotetrahydrofuranyl components. (2004) (11)
- syn-Tricyclo[4.2.1.12,5]deca-3,7-diene, the head-to-head [4 + 4] dimer of cyclopentadiene (1978) (11)
- Stereochemical features of the thermal and photochemical fragmentations of [4.4.2]propella-2,4-dienes (1972) (11)
- Enantioselective synthesis of natural (+)-dactyloxene-B and -C by actuation of oxonium ion-initiated pinacol rearrangement (1993) (11)
- The question of delocalization in "anchored" ions with potential trishomoaromatic character. 3. Ionization studies of tricyclo[5.3.1.04,11]undeca-2,5,8-trien-10-yl derivatives under short- and long-lived conditions (1977) (11)
- Quantitative assessment of pp-.sigma. overlap in a topologically convex triene. Electronic and crystal structure analysis of C16-hexaquinacene (1978) (11)
- Silver(I) ion-catalyzed rearrangements of strained .sigma. bonds. IX. Regio- and stereoselective methyl migrations in silver(I)-promoted rearrangements of tricyclo[3.2.0.02,4]heptanes (1972) (11)
- Double Hunsdiecker Reactions. Convenient Preparation of 1,1-Dibromocyclopropane and 1,1-Dibromocyclobutane (1984) (11)
- Thermochemical behavior of conjugated cis-bicyclo[5.1.0]octenones, cis- and trans-bicyclo[5.2.0]non-2-en-4-ones, and their methylene analogs (1973) (11)
- Ring contraction of bridgehead sultams by photoinduced di-pi-methane rearrangement. (2006) (11)
- Generation of enantiopure trans-.DELTA.9,10-tricyclo[9.3.1.03,8]pentadecene diastereomers from a single precursor. Control of stereochemistry by means of rotationally restrictive nonbonded interactions (1993) (11)
- Analysis of the Conformational Nature, Resolvability, and Thermal Racemization of Hetero 2,3-Dispiro Cyclohexanones. The Weighting of Carbonyl/C-X Stabilization Relative to the Electronic Interaction Between the Vicinal Electronegative Substituents (1994) (11)
- Silver(I) ion catalyzed rearrangements of strained .sigma. bonds. XXX. Rhodium(I)- and palladium(II)-promoted rearrangements of homocubanes. Comparison of kinetic reactivity and product distribution with substituent alteration (1975) (11)
- Electronic control of stereoselectivity. 26. On the inability of fused cyclopropane rings to direct the stereochemical course of dienophile capture by tetracyclo[5.3.2.02,6.08,10]dodeca-2,5,11-triene and its dihydro derivative (1984) (11)
- The question of delocalization in "anchored" ions with potential trishomoaromatic character. 2. The tricyclo[4.2.1.03,9]nona-4,7-dien-2-yl anion (1977) (11)
- Bond fixation in annulenes. 13. Kinetic analysis of dynamic behavior in peripherally crowded cyclooctatetraenes. Probe of the methyl/phenyl dichotomy in tetrasubstituted derivatives (1982) (11)
- The degenerate 21-homododecahedryl cation (1988) (11)
- A convenient means for controlling the oxidation level of bridgehead carbon C-1 in functionalized tricyclo[9.3.1.03,8]pentadecanes (1991) (11)
- CH)10CO2 interconversions. Electrophilic addition of chlorosulfonyl isocyanate to bullvalene (1970) (11)
- The Evolution of Heptalene Chemistry (1980) (11)
- A Silylene-Bridged (Isodicyclopentadienyl)(Fluorenyl) Complex of Zirconium for Homogeneous Olefin Polymerization (2002) (11)
- Unsaturated heterocyclic systems. LXXXIV. Thermolysis of 1,2,3,4,5,6-hexamethyl-7-phenyl-7,8,9-triazatricyclo[4.3.0.02,5]nona-3,8-diene. Synthetic entry to the 1,2,3-triazonin ring system (1972) (11)
- Bicyclic Systems Related to Taxol. A Direct Means for Implementing C-2 Oxygenation and Demonstration of the Feasibility of alpha-Ketol Equilibration in a Fully Oxygenated B-Ring Setting. (1998) (11)
- Stereoreversed electrophilic additions to 3-norcarenes. Insight into the relative steric demands of singlet oxygen in the ene reaction (1979) (11)
- Functionalized polyunsaturated [4.4.4]propellanes. Synthesis, intraring chemistry, and backbone rearrangements. [4.4.4]propella-2,4,7,9,12-pentaene and its thermal frangibility (1986) (11)
- Response of 2-lithio-4,5-dihydrofuran : ketone adducts to acid catalysis (1990) (11)
- Ingenane synthetic studies. Stereocontrolled introduction of all oxygenated and unsaturated centers in an ingenol prototype (1987) (11)
- Enantioselective route from carbohydrates to cyclooctane polyols. (2005) (11)
- Temperature-dependent behavior of 3-methoxy-4-azatricyclo[3.3.2.02,8]deca-3,6,9-triene (methoxyazabullvalene) (1967) (11)
- Photoelectron spectra and orbital interactions in methylenenortriquinacenes (1978) (11)
- REVERSAL OF STEREOSPECIFICITY DURING ALLYLIC HYDROPEROXIDATION OF 3-NORCARENE AND BICYCLO(4.2.0)OCT-3-ENE DERIVATIVES ARISING FROM STRUCTURALLY ENFORCED QUENCHING OF SINGLET OXYGEN BY THE HYDRAZIDE FUNCTIONALITY (1976) (11)
- Domino diels-alder reactions. II. A four-step conversion of cyclopentadienide to triquinacene (1974) (11)
- Unsaturated heterocyclic systems. XCII. Bis deprotonation of bridged bicyclic sulfones. Electronic interactions in rigid bridgehead .alpha.-sulfonyl dicarbanions as a function of carbon framework unsaturation (1973) (11)
- Stereocontrolled synthesis, conformational features, and response to thermal activation of the seven possible bis- and trishomocycloheptatrienes (1977) (11)
- Stereochemical aspects of ether oxygen participation. VII. Dichotomous solvolytic behavior of 4- and 5-oxocanyl derivatives (1972) (11)
- An Expeditious Synthesis of Heptalene from Naphthalene via a Bis(bicyclo[1.1.0]butane) Intermediate (1979) (11)
- Experimental Enthalpies of Formation and Strain Energies for the Caged C20H20 Pagodane and Dodecahedrane Frameworks. [Erratum to document cited in CA122:80644] (1995) (11)
- Impact of high-lying .sigma. orbitals and extensive through-bond interaction on chemical reactivity. 1. Convenient syntheses of hypostrophene and its susceptibility to rearrangement under electrophilic conditions (1978) (11)
- Electronic control of stereoselectivity. 30. X-ray analysis of the effect of apical substitution on the three-dimensional features of isodicyclopentafulvenes. Experimental demonstration of minimal bridgehead C-H angle deformation accompanying substantial hybridization change at the apical center (1985) (11)
- Unsaturated heterocyclic systems. XCII. Nitrogen analogs of 1,6-methano[12]annulene. Effect on valence tautomerism of the locus of aza substitution (1975) (11)
- Stereochemical aspects of ether oxygen participation. IX. Bridgehead oxygen substitution as a potent probing tool for evaluating exo/endo rate ratios and .sigma.-.pi. participation. Acetolysis of the epimeric benzo-7-oxabicyclo[2.2.1]hepten-2-yl brosylates (1973) (11)
- Rhodium(I) catalysis of cycloprop[a]acenaphthylene isomerizations (1978) (11)
- Isodicyclopentadienes and related molecules. 48. Stereochemically uniform mode of iron carbonyl complexation to spirocyclic isodicyclopentadienes (1989) (10)
- An example of spontaneous resolution by sublimation (1987) (10)
- Formation of monohomocyclooctatetraene dianions in liquid ammonia. Analysis of the nucleophilic reactivity of the cyclononatrienyl anions generated upon solvent protonation (1976) (10)
- Exploration of conjugate addition routes to advanced tricyclic components of mangicol A (2006) (10)
- BRIDGEHEAD OXIRANYL SESQUITERPENOIDS. ASYMMETRIC TOTAL SYNTHESIS OF (-)-SALSOLENE OXIDE (1997) (10)
- Preorganized ligand arrays based on spirotetrahydrofuranyl motifs. Synthesis of the stereoisomeric 1,8,14-trioxatrispiro[4.1.4.1.4. 1]octadecanes and the contrasting conformational features and ionic binding capacities of these belted ionophores. (2000) (10)
- Modulation of .pi.-facial selectivity in Diels-Alder cycloaddition to isodicyclopentafulvenes by remote para substitution of an exocyclic phenyl group (1988) (10)
- Unsaturated heterocyclic systems. LXIX. Transition-state geometry of a (2 + 2) cycloaddition reaction. Asymmetric synthesis in a sulfene-enamine condensation (1969) (10)
- Competitive bond rotation and bond scission processes in semistabilized 1,4 diradicals. Thermal fragmentation of [4.4.2]propella-2,4-dienes (1971) (10)
- Isodicyclopentadienes and related molecules. 57. Stereocontrolled synthesis of sterically crowded titanocenes of high enantiomeric purity by electrophilic capture of C-silylated ligands with configurational inversion (1992) (10)
- Polar effects on di-.pi.-methane rearrangements. Regiospecificity in the triplet-sensitized photoisomerizations of 2-cyanobenzonorbornadienes carrying methoxy aryl substituents (1979) (10)
- Regioselectivity of pyridine ring migration during triplet-sensitized di-.pi.-methane photorearrangements of 5,8-dihydro-5,8-methanoisoquinoline derivatives. The case for heteroatom control (1986) (10)
- Cycloaddition of the Trimethylenemethane-Palladium Complex to Activated Six-Membered and Medium-Ring Enones (1987) (10)
- Unsaturated heterocyclic systems. LIX. Competitive 1,2- and 1,6-cycloadditions to bullvalene (1969) (10)
- Thermally promoted cleavage reactions of anti-tricyclo[3.2.0.02,4] heptanes. Influence of 2,4 substitution on competitive bond scission processes (1974) (10)
- Gas-phase basicities of cubane, dodecahedrane, and methyl- and 1,16-dimethyldodecahedrane as measured by Fourier transform ion cyclotron resonance mass spectrometry (1986) (10)
- Conformational and stereochemical consequences of uniparticulate electrophilic additions to cis-bicyclo[6.1.0] nonatrienes. Reactions with tetracyanoethylene (1973) (10)
- A Belted Monofacial Ionophore Featuring High Selectivity for Lithium Ion Complexation. (1999) (10)
- Consequences of Modulated Precompression along Reaction Coordinates. Synthesis, Crystallographic Structural Studies, and Rate of Intramolecular Dyotropy in an Extended Series of syn-Sesquinorbornene Disulfones (1994) (10)
- Azetidinone antibiotics. 20. Synthesis of 7.beta.-amido-7.alpha.-methoxy-3-methyl-1-oxacephalosporin (1981) (10)
- A convenient route to 1,3-cyclooctatetraenophanes (1988) (10)
- Dissolving metal reduction of anti-tricyclo[3.2.0.02,4]heptanes and anti-tricyclo[3.3.0.02,4]octanes. Intramolecular epoxide cleavage as a route to highly strained tricyclic alcohols (1974) (10)
- Rapid Three-Component Assembly of (±)-Hirsutene (1990) (10)
- ChemInform Abstract: Enantioselective Total Synthesis of the Cyclophilin-Binding Immunosuppressive Agent Sanglifehrin A. (2001) (10)
- New Photorearrangements of 2-Cyclopentenones. The Genesis and Fate of Cyclopropylcarbinyl Biradical Intermediates (2000) (10)
- The carbohydrate-sesquiterpene interface. directed synthetic routes to both (+)- and (-)-fomannosin from D-glucose. (2008) (10)
- A carbenoid ring expansion route to the first member of a newly discovered diterpene class. Total synthesis of 18-oxo-3-virgene (1993) (10)
- Experimental and Theoretical Analysis of the Effects of Strain Diminution on the Stereoselectivity of Dienophilic Capture by .pi.-Facially Nonequivalent Homologs of Isodicyclopentadiene (1995) (10)
- SYNTHESIS OF THE ALLEGED STRUCTURE OF SENOXYDENE, THE TRIQUINANE SESQUITERPENE DERIVED FROM SENECIO OXYODONTUS (1983) (10)
- Comparative cytotoxicity of gambierol versus other marine neurotoxins. (2011) (10)
- Antimicrobial algal metabolites of unusual structure. Concise synthesis of the highly oxygenated [4.4]spirononene dimethyl gloiosiphone A by ring expansion of dimethyl squarate (1997) (10)
- An intramolecular cyclization approach to optically active cyclopentenyl bromides (1993) (10)
- Bond fixation in annulenes. 8. Assessment of the ring inversion and bond shifting barriers in 1,2,3-trimethylcyclooctatetraene. Resolution, absolute configuration, and circular dichroic behavior of an [8]annulene hydrocarbon (1980) (10)
- Capacity of quadricyclane frameworks related to syn-sesquinorbornatriene for excited-state rearrangement (1988) (10)
- CYCLOADDITION BEHAVIOR OF HEPTALENE TOWARD TRIAZOLINEDIONES (1980) (10)
- Electronic control of stereoselectivity-21 (1985) (10)
- Heterogenized Homogeneous Catalysts. Hydrogenation of Methyl Sorbate by Polystyrene- Anchored Tricarbonylchromium (1975) (10)
- ESR investigation of the cubane radical cation (C8H8+) in neon matrixes at 4 K (1987) (9)
- Optically enriched alkyltrimethylsilanes by Haller-Bauer cleavage of optically active, nonenolizable .alpha.-silyl phenyl ketones (1988) (9)
- A convenient route to spirocyclic C-glycosides. Demonstration that ring strain release can override normal operation of the ferrier rearrangement (1993) (9)
- Total Synthesis of Crenulatan Diterpenes: Strategy and stereocontrolled construction of a bicyclic keto‐lactone building block (1995) (9)
- Chloramine-induced oxidative dimerization of phenols (1967) (9)
- Frontier molecular orbital basis for the structurally dependent regiospecific reactions of singlet (1Δg) oxygen with polyolefins (1976) (9)
- Functionalization reactions of[4.4.2]propella-3,11-diene (1972) (9)
- α-Halosulfones. III. The Steric Course of the Cycloaddition of Chlorosulfene to Enamines1 (1964) (9)
- Unsaturated heterocyclic systems. LXXXV. Benzoannelation effects on azocine reactivity. Chemical and polarographic reduction of several mono-, di-, and tribenzomethoxyazocines (1972) (9)
- Chemical modification of a highly functionalized taxane. The consequences of an absent bridgehead double bond on oxetane D-ring construction. (2003) (9)
- Stereochemical aspects of R2O-3 participation. Lithium aluminum hydride reduction of 9-oxabicyclononan-2-yl iodides (1970) (9)
- Isodicyclopentadienes and related molecules. 54. Remote electronic perturbation of .pi.-facial stereoselectivity in [4+2] cycloadditions to isodicyclopentafulvenes. The consequences of p-phenyl substitution (1991) (9)
- SENSITIVITY OF SUBSTITUTION TO THE EXTENT OF SELF-IMMOLATIVE CHIRALITY TRANSFER DURING REACTION CASCADES ORIGINATING FROM SQUARATE ESTERS (1997) (9)
- An Unusual Acid-Catalyzed Dehydrative Expulsion of Sulfur Dioxide from a Thietane Dioxide1 (1965) (9)
- α-Halosulfones. IV. A Facile Conversion of Mercaptans to Homologous Terminal Olefins (1964) (9)
- Tricyclo[5.5.0.02,8]dodecatetraene. (1986) (9)
- Synthesis of and absolute configurational assignment to enantiomerically pure unsaturated [4.4.2]propellanes (1981) (9)
- Alkali metal counterion control of enolate protonation stereoselectivity. (2006) (9)
- Electronic control of stereoselectivity. 32. .pi.-Facial stereoselectivity operational during conversion of isodicyclopentadienes to metallocene derivatives (1986) (9)
- THERMOCHEMICAL BEHAVIOR OF CONJUGATED CIS‐BICYCLO(5,1,0)OCTENONES, CIS‐ AND TRANS‐BICYCLO(5,2,0)NON‐2‐EN‐4‐ONES, AND THEIR METHYLENE ANALOGS (1973) (9)
- A new synthon for the regiospecific γ-alkylation of 2-cyclohexenones. Application to the synthesis of zingiberenol and oxygenated bicycle[3.3.1] nonanes (1982) (9)
- A formal total synthesis of dactylol (1985) (9)
- Synthesis and interconversions of (CH)12 hydrocarbons (1971) (9)
- Importance of Oxyanion Orientation to the Stereochemical Control of Anionic Oxy‐Cope Rearrangements (1991) (9)
- Short, stereocontrolled synthesis of [4]peristylane (1983) (9)
- A Delicate Balance of Energetics. Subtleties Associated with α-Ketol-Based Bridge Migration To Afford 9-Keto-10β-p-methoxybenzyloxytaxanes (2003) (9)
- Evaluation of 2-Bromocyclohexenone Acetals as Vehicles for the Introduction of C-7 Oxygen Preliminary to the Synthesis of Taxane Diterpenes (1995) (9)
- Electronic absorption and circular dichroism spectra of the perturbed coplanar cis-diene chromophore in deuterium- and methyl-substituted 7,7-dimethylbicyclo [4.1.1] octa-2,4-dienes (1983) (9)
- Degenerate thermal rearrangement of cis-9,10-dihydronaphthalene (1971) (9)
- Synthesis of [4.4.4]propellahexaene (1987) (9)
- The ,-11,12-Diazatetracyclo[4.4.2.02,5 .07,10]dodeca-3,8,11-triene system (1969) (9)
- Unsaturated heterocyclic systems. LXXVI. Reactions of azocinyl dianions with nonenolizable ketones and aldehydes. Formation of 2,3-pyridocyclobutenes (1971) (9)
- trans,anti,trans-Tetra(spirotetrahydrofuranyl)cyclohexane-1,2-dione. Stereocontrolled Synthesis and Definition of Its Susceptibility to Photoisomerization. (1996) (9)
- Dynamic properties of chiral cyclooctatetraenes. Total inhibition of the racemization process by 1,4-annulation (1988) (9)
- Acid-catalyzed dehydration of diols. Kinetic and stereochemical ramifications of spirotetrahydrofuran synthesis (1991) (9)
- Diosphenol-based approach to the a-ring functionalization of advanced Taxol precursors. (2006) (9)
- Total synthesis of natural (−)-vulgarolide. A concise stereocontrolled means for twofold distal oxaannulation of a cyclooctanone core (1995) (9)
- Unsaturated heterocyclic systems. LXXXVI. Stereochemistry of uniparticulate electrophilic additions to cis-bicyclo[6.1.0.]nonatrienes (1972) (9)
- Effective control of regioselectivity by a bridgehead substituent in the di-.pi.-methane rearrangement of dibenzobarrelenes and benzonorbornadienes (1984) (9)
- Crossover in π-facial stereoselection during [4+2] cycloaddition of triazolinediones to isodicyclopentadiene and its dehydro derivative (1984) (9)
- THE ABSORPTION AND CIRCULAR DICHROISM SPECTRA OF CHIRAL TRIQUINACENES (1981) (9)
- Stereoselective 1,4 bromination of semibullvalene and tri-n-butyltin hydride reduction of the dibromide (1973) (9)
- Hydroxylamine Chemistry. V. O-(2-Hydroxyethyl)acetone Oxime p-Toluenesulfonate, a Useful Intermediate for the Preparation of Hydroxylamine Derivatives1 (1964) (9)
- Regiospecific and stereoselective alkylation of the octahydronaphthal-8(9)-en-3-one nucleus (1985) (9)
- Mechanistic aspects of the anomalous hydride reduction of cyclobutene epoxides (1967) (9)
- Utilization of the Phenylthio Substituent as a Multipurpose Synthetic Tool. Direct Application to the Enantioselective Construction of (-)-Salsolene Oxide. (1997) (9)
- Conversion of D-(-)-Quinic Acid into an Enantiopure C-4 Functionalized 2-Iodocyclohexenone Acetal (1995) (9)
- .alpha.-Halo sulfones. XV. Thermal rearrangement of the ketals of 2-chloro-3-thietanone 1,1-dioxide (1971) (9)
- Bridging regioselectivity in triplet-sensitized di-.pi.-methane photorearrangements of ortho-substituted benzonorbornadienes. A case for the importance of benzene HOMO and LUMO polarization (1976) (9)
- NOVEL AROMATIC SYSTEM. 6. THE BIS(TETRAMETHYLHOMOCYCLOPROPENYL) DICATION (1976) (9)
- Control by pyridine nitrogen of the dual-channeled triplet-state di-π-methane photorearrangement of 5,8-dihydro-5,8-methanoquinoline systems (1987) (9)
- The Development of Strategies for the Elaboration of Linear Triquinane Sesquiterpenoids: Hypnophilin and Ceratopicanol as Exemplary Case Studies (2002) (8)
- MAGNESIATION OF ISODICYCLOPENTADIENE. FORMATION OF SANDWICH AND MONOMERIC COMPLEXES AND THE STEREOSELECTIVITY OF THEIR REACTIONS WITH TRANSITION METAL HALIDES (1999) (8)
- STEREOCHEMICAL ASPECTS OF ETHER OXYGEN PARTICIPATION. VIII. KINETIC, POLARIMETRIC, AND DEUTERIUM ISOTOPE EFFECT ANALYSIS OF OXYGEN LONE-PAIR INVOLVEMENT DURING SOLVOLYSIS OF 8-OXABICYCLO[3.2.1] OCTAN-2-YL DERIVATIVES. (1972) (8)
- Silanes in organic synthesis. 20. Regio- and stereochemical definition of silatropic migration within trimethylsilyl-substituted isodicyclopentadienes (1983) (8)
- .alpha.-Halo sulfones. X. Kinetics and mechanism of the rearrangement of acyclic .alpha.-halo sulfones with hydroxide ion (1968) (8)
- Electronic control of stereoselectivity. 18. Stereospecific capture of electrophiles by 9-isopropylidenebicyclo[4.2.1]-nona-2,4,7-triene (1983) (8)
- STEREOSELECTIVE REDOX REACTION OF ISODICYCLOPENTADIENE WITH THE BIS(TETRACHLOROALUMINATO)(BENZENE)TITANIUM(II) COMPLEX (1995) (8)
- Dynamic behavior of 1,2-annulated cyclooctatetraenes. Kinetic analysis of transition-state steric congestion involving neighboring alicyclic substituents (1988) (8)
- Unsaturated heterocyclic systems. XXVI. New aspects of the phenoxide ion to 1,3-dihydro-2H-azepin-2-one ring expansion (1967) (8)
- The sclerophytin A adventure. (2010) (8)
- Intramolecularly competitive anionic oxy-cope rearrangements (1992) (8)
- Electron densities in strained polycyclic molecules. Part 8. Electron density distribution in the olefinic double bond between pyramidalized carbon atoms of a syn-sesquinorbornene (1989) (8)
- Comparative analysis of molecular-recognition levels attained during capture of chiral cyclopentenyl organometallics by conformationally immobilized ketonic systems (1989) (8)
- Unsaturated heterocyclic systems. XCIV. Response of homo- and benzhomobarrelenes to uniparticulate electrophilic attack. Effect of a lateral cyclopropane ring on the direction and stereochemistry of chlorosulfonyl isocyanate addition (1976) (8)
- INGENANE SYNTHETIC STUDIES. AN EXPEDIENT APPROACH TO HIGHLY OXYGENATED ABC SUBUNITS OF INGENOL VIA REDUCTIVE DIALKYLATIVE ANNULATION AND α,β-EPOXY KETONE PHOTOISOMERIZATION (1984) (8)
- Small-ring annulation and ring expansion of the dodecahedrane framework. Homododecahedranone and the 21-homododecahedryl cation (1989) (8)
- Photoelectron spectroscopic analysis of through-bond interaction via cyclobutane relay orbitals. Evidence for strong relay conjugation in tricyclo[5.5.0.02,8]dodecatetraene (1988) (8)
- Titanium isodicyclopentadienide hemimetallocenes for ethylene/styrene copolymerization (2004) (8)
- Analysis of the stereochemical and proximity requirements for R2S-4 participation in carbonium ion reactions. Solvolysis of stereoisomeric caged thia alcohol derivatives (1969) (8)
- SOME NEW EXO, EXO-BIS(ISODICYCLOPENTADIENYL)TITANIUM AND -ZIRCONIUM DICHLORIDE DERIVATIVES : SYNTHESIS, CHARACTERIZATION, AND EVALUATION AS PROPENE PO LYMERIZATION CATALYSTS (1998) (8)
- Unsaturated heterocyclic systems. LXXVIII. Neighboring group participation by sulfonamide nitrogen. 7-Azabicyclo [4.2.] oct-3-ene to 6-azabicyclo[3.2.1] oct-2-ene rearrangement (1971) (8)
- SILICON IN ORGANIC SYNTHESIS. 26. EXPEDIENT SYNTHESIS OF DICYCLOPROPYLIDENEETHANE VIA FUNCTIONALIZED 1-(TRIMETHYLSILYL)CYCLOPROPANES (1985) (8)
- Unsaturated heterocyclic systems. LVI. Reaction of a mesocyclic dienamine with sulfene (1969) (8)
- .alpha.-Halo sulfones. XIV. [4.4.2]Propella-2,4,7,9,11-pentaene (1969) (8)
- Conversion of the enantiomers of spiro[4.4]nonane-1,6-diol into both epimeric carbaspironucleosides having natural C1' absolute configuration. (2003) (8)
- Unusual photoisomerization of an "encased" .alpha.-diketone (1981) (8)
- Functionalization reactions of a medium-ring bridgehead enone that skirt transannular bond formation (1991) (8)
- A vinyl sulfone-mediated diels-alder approach to the fully regiocontrolled elaboration of 4,5-disubstituted 2- and 3-cyclohexenones (1983) (8)
- Intramolecular Ketalization of Functionalized 7-Norbornenols (2009) (8)
- Isodicyclopentadienes and related molecules. 53. Unsymmetrical oxidative cleavage of cyclic ketones. Conversion to .omega.-ethoxycarbonyl aldoximes under alkaline conditions (1991) (8)
- Unsaturated heterocyclic systems. LVII. Competitive R2O-3 and homoallylic participation in a medium-sized ring. Acetolysis of oxocan-3-yl and 3,4,7,8-tetrahydro-2H-oxocin-3-yl brosylates (1970) (8)
- Degenerate rearrangement and isomerization of disubstituted cyclooctatetraenes under conditions of thermal activation (1972) (8)
- Furanocembranolide interconversions. Transformation of pseudopterolide into tobagolide and its reversal (1990) (8)
- Molybdenum(0) catalysis of (1,5)sigmatropic carbon migration in unsaturated (4. 4. 2)propellanes. Deuterium isotope effects, kinetics, and mechanism (1977) (8)
- Torsional angle decompression is not the source of facial selectivity in diels-alder cycloadditions involving cyclic dienes fused to bicyclic frameworks. The case study of 1,2,3,4,6,7-hexahydro-1,4-methanonaphthalene (1994) (8)
- (1R,5S)-(+)-Nopinone of High Enantiomeric Purity (1996) (8)
- [4.4.4]Propella-2,4,7,9,12-pentaene. Synthesis and remarkable thermal stability (1984) (8)
- The Stereochemical Course of a Robinson-Schöpf Biogenetic-Type Reaction. The Conformation of Certain Tricyclic Tropane Congeners1 (1966) (8)
- Synthesis of paddlanes having a bicyclo[1.1.1]pentane core. The consequences of olefin metathesis involving unsaturated 1,3-dicarboxylate esters of varying chain length (2001) (8)
- Photoinitiated quadricyclane-quadricyclane rearrangements (1986) (8)
- Thionium ion-activated pinacol rearrangements. Generality and scope (1994) (8)
- Dual generation of the [4.4.4]propella-2,4,7,9,11-pentaenyl cation. Its threefold Wagner-Meerwein rearrangement cascade leading to 4a,7-dihydropleiadiene (1986) (8)
- Silver(I) ion catalyzed rearrangements of strained .sigma.-bonds. XVIII. Stereospecificity, regioselectivity, and kinetic deuterium isotope effects in the silver(I)-catalyzed isomerizations of 1-methyltricyclo[4.1.0.02'7]heptanes to bicyclo[3.2.0]hept-6-enes (1973) (8)
- Polyquinane Chemistry: Syntheses and Reactions (1987) (8)
- Zirconocene-Mediated Deoxygenative Ring Contractions of Vinyl-Substituted Carbohydrates: An Expedient Route to Enantiomerically Pure, Densely Functionalized 4-to-8-Membered Carbocycles (2006) (8)
- Protocol for multiple functionalization of the [4]peristylane perimeter. Density relationships between the 2,4,6-trione, 2,4,6,8-tetrone, and related isopropylidene congeners (1989) (8)
- Photochemistry of the cis- and trans-bicyclo[6.1.0]nonan-2-ones (1969) (8)
- The dodecahedryl radical. Reactivity analysis by conjugate addition to .pi.-electron-deficient acceptors and structural investigation by electron spin resonance spectroscopy (1992) (8)
- EXO,EXO-BIS(ISODICYCLOPENTADIENYL)TITANIUM AND -ZIRCONIUM DICHLORIDES : CONFORMATIONAL CHARACTERIZATION OF THE HOMOGENEOUS ZIEGLER CATALYST PRECURSORS IN SOLUTION (1995) (8)
- Electrochemical reduction studies of several bicyclo[6.1.0]nona-2,4,6-trienes and of cis-bicyclo[6.2.0]deca-2,4,6-triene. Search for a polarographic criterion of homoaromaticity (1973) (8)
- The consequences of strain release in the norbornyl subunit of isodicyclopentadiene on cycloaddition stereochemistry. Further evidence that orbital tilting serves as the key determinant of contrasteric π-facial selectivity (1994) (8)
- Proton magnetic resonance spectra of selected 2-norcarene derivatives (1972) (8)
- Heteroatomic Modulation of Oxyanionic Cope Rearrangement Rates. Consequences on Competing Nucleophilic Cleavage of an Oxetane Ring in Precursors to Paclitaxel (1998) (8)
- Effect of sulfonyl protecting groups on the neighboring group participation ability of sulfonamido nitrogen. (2009) (8)
- SILVER(I) ION CATALYZED REARRANGEMENTS OF STRAINED sigma BONDS. VIII. DEUTERIUM ISOTOPE EFFECTS IN THE BOND REORGANIZATIONS OF TRICYCLO[4.1.0.0$sup 2$ $sup 7$]HEPTANES. (1971) (8)
- Reaction of sulfenes with 1,3-bis(dimethylamino)-1-alkenes. Mechanistic dichotomy as a function of substitution (1967) (7)
- Yamadazyma Farinosa IFO 10896-Mediated Reduction of 4,4-Dimethoxy-2-Butanone as the Key-Step for the Preparation of 1,3-Diols with Unsymmetrical Substituents (2000) (7)
- Expedient Enantiocontrolled Synthesis of a Tetracyclic Lactone Structurally Related to the Kaurane Diterpenoids (1996) (7)
- New protocol for stereocontrolled lactone annulation (1981) (7)
- Isodicyclopentadienes and related molecules. Part 54. Stereoselective access to the three diisodicyclopentadienyltitanium dichlorides (1991) (7)
- MAPPING THE CHEMICAL REACTIVITY OF POLYQUINANES PRODUCED BY 2-FOLD ADDITION OF VINYL ANIONS TO SQUARATE ESTERS. A BICYCLIC CASE STUDY (1996) (7)
- Homotropylium-8-sulfinate complexes by antimony pentafluoride-promoted ring opening of 9-thiabicyclo[4.2.1]nona-2,4,7-triene and 9-thiabarbaralane 9,9-dioxides (1976) (7)
- Transannular Participation of Ether Oxygen in the Hydrolysis of a Mesocyclic Dienamine1 (1965) (7)
- Buffered acetolyses of .beta.-cyclooctatetraenylethyl brosylates. Isomerization to tetrahydroazulenoid products in response to homoallylic electron deficiency (1975) (7)
- Twofold cation-olefin cyclization. Synthesis of syn-[3.2.1]2- and [2.2.2]2geminane (1979) (7)
- Highly Functionalized Pyrans Designed for Multipoint Side Chain Attachment to the F-Ring Sector of Spongistatin 1(Altohyrtin A) (2002) (7)
- The first thermally-induced retro-oxy-cope rearrangement (1991) (7)
- Optically Pure C2-Symmetric Transition Metal Complexes. Steric Consequences of Flanking the Cyclopentadienyl Anion with a Pair of Bridged Bicyclic Terpene-Derived Hydrocarbon Subunits (1996) (7)
- Synthesis of Nonpolycyclopentanoid Natural Products by Way of Diquinane Intermediates (1987) (7)
- Vicinal tetrahydrofuranyl substitution of alkyl chains. Tetra-, penta-, and hexafunctionalized arrays. (2000) (7)
- Total synthesis of africanol (1986) (7)
- Electronic control of stereoselectivity. 10. Aryl substituent effects on electrophilic stereoselection in 11-isopropylidenedibenzonorbornadienes. Direct competition of dissimilarly functionalized benzo groups (1981) (7)
- SILVER (I) ION CATALYZED REARRANGEMENTS OF STRAINED Δ BONDS. 34. A STUDY OF THE CAPACITY OF GROUP 4 SUBSTITUENTS FOR DIRECTING THE COURSE OF SILVER(I)-CATALYZED TRICYCLO(4.1.0.02,7)HEPTANE REARRANGEMENT INTO THE ELUSIVE TYPE Δ MANIFOL (1978) (7)
- High-Pressure Diels-Alder Reactions of 1-Oxa[4.4.4]propella-5,7-diene Proceed with Framework Isomerization (1995) (7)
- Preparation of Annulated 2,4-Dioxygenated-5-Methylfurans (1991) (7)
- Unsaturated heterocyclic systems. LXXXVII. Substituent effects on the nonconcerted cycloaddition of chlorosulfonyl isocyanate to cis-bicyclo[6.1.0.]nonatriene derivatives (1972) (7)
- Mild base-promoted conversion of tertiary cis,cis-2,4-cyclononadienols to bicyclo[4.3.1]nona-2,4-dienes. Antarafacial cyclization of coiled 8.pi.-7C conjugated anions (1981) (7)
- IMPACT OF METHYL IMIDATE FUNCTIONALITY UPON COPE REARRANGEMENTS. THE HETEROATOMIC CIS-1,2-DIVINYLCYCLOPROPANE EXAMPLE (1978) (7)
- Conformational Analysis of Poly(spirotetrahydrofuranyl)cyclohexyl Systems. The Preference of Multiple C−O Bonds for Equatorial Occupancy (1996) (7)
- Alkylidene derivatives of syn-sesquinorbornatriene. 13C NMR and theoretical analysis of homoconjugative orbital interactions (1988) (7)
- Silanes in organic synthesis. 15. Silicon-directed hydride abstraction from [2-(trimethylsilyl)-1,3-cyclohexadiene]iron tricarbonyl complexes and nucleophilic addition to the derived cations (1982) (7)
- Silver(I) ion catalyzed rearrangements of strained .sigma.-bonds. XVII. Evidence for autocatalysis in the silver(I) promoted reactions of bicyclobutanes with methanol (1972) (7)
- Degenerate thermal rearrangement of bicyclo[5.3.=04,8]deca-2,5,9-triene(lumibullvalene) (1972) (7)
- Unsaturated heterocyclic systems. XLVIII. Benzazabullvalenes. Synthesis and interconvertibility (1968) (7)
- Efficient stereocontrolled synthesis of the ABC subunit of dumsin (1994) (7)
- A method for the benzoannulation of ketones (1976) (7)
- Concise means for accessing an advanced precursor to 1-deoxypaclitaxel. (2005) (7)
- Electronic control of stereoselectivity. 29. Stereochemical and regiochemical course of isodicyclopentadiene-tropone cycloaddition reactions (1985) (7)
- Reaction of diphenylcyclopropenone with activated isocyanates. A facile synthesis of selected iminocyclopropenes (1967) (7)
- IS through-bond dihydroaromaticity attainable ? preparation of [4,5]dihomotropone, investigation of its ground-state properties, and an attempt to generate the dihomotropylium cation (1994) (7)
- syn-Tricyclo[4.2.1.12,5]decane. Comparison with anti-tricyclo[4.2.1.12,5]decane (1978) (7)
- Unsaturated heterocyclic systems. XLIV. Concerning azacyclooctatetraene valence tautomerism. Preparation of annelated 7-azabicyclo[4.2.0]octa-2,4,7-trienes (1968) (7)
- Photoelectron spectra of ortho- and meta-substituted benzonorbornadienes. Relationships to regioselectivities in triplet di-.pi.-methane rearrangements (1978) (7)
- Stereochemical aspects of R2O-3 participation. Solvolytic studies of the epimeric 9-oxabicyclo[4.2.1]nonan-2-yl brosylates (1970) (7)
- Bond fixation in annulenes. 16. Synthesis of the 1,2-dimethyl-3-phenylcyclooctatetraene .dblarw. 1,8-dimethyl-2-phenylcyclooctatetraene bond shift isomer pair. Probe of the relative size of a flanking phenyl substituent by means of racemization kinetics (1983) (7)
- New convenient syntheses of substituted cyclobutenes (1967) (7)
- Evaluation of through-space interaction in 9-substituted pentacyclononane derivatives (1978) (7)
- ELECTRONIC CONTROL OF STEREOSELECTIVITY. 12. SPECTROSCOPIC EVIDENCE FOR DIRECTED ELECTRONIC INFLUENCES WITHIN NORBORNYL FRAMEWORKS (1982) (7)
- Unsaturated Heterocyclic Systems. VIII. 2,3-Dihydro-1H-azepines1-3 (1964) (7)
- Synthesis of a versatile functionalized tetraquinane. Convenient access to 1,3-bishomopentaprismanedione (1985) (7)
- Heteroatomic Effects on the Acid-Catalyzed Rearrangements of Dispiro[4.0.4.4]tetradeca-11,13-dienes (1994) (7)
- Electronic control of stereoselectivity. 22. Crossover in .pi.-facial stereoselection during [4 + 2] cycloaddition of triazolinediones to isodicyclopentadiene and its dehydro derivatives (1984) (7)
- Electronic control of stereoselectivity. 33. 4-(Dimethylamino)isodicyclopentafulvene and the 4-methylisodicyclopentadienyl anion as .pi. ligands. Stereochemical course of their complexation to Group 6 transition-metal carbonyls (1986) (7)
- Adaptation of the photo-induced [1,3]-allylic phenylthio shift to the preparation of functionalized diquinanes (1999) (7)
- Bond fixation in annulenes. 4. The ability of 1,2,3-trimethylcyclooctatetraene to support optical activity (1976) (7)
- Unsaturated heterocyclic systems. LXXXI. Configurational stabilities of strained .alpha.-sulfonyl carbanions. Kinetics of base-catalyzed racemization and deuterium exchange of representative thiete and thietane dioxides (1971) (7)
- Isodicyclopentadienes and related molecules. 59. Direct comparison of the solution structure of a C1-symmetric pinane-fused cyclopentadienyllithium with the stereoselectivity of its capture by electrophiles (1992) (7)
- TOPOLOGICALLY SPHERICAL MOLECULES. AN EFFICIENT SYNTHESIS OF C16-HEXAQUINACENE AND ITS LACK OF NEUTRAL HOMOAROMATIC CHARACTER (1979) (7)
- Comparative analysis via secondary deuterium isotope effects of transition state structural features associated with cycloadditions to norbornadiene [2.pi. + 2.pi. + 2.pi.] and quadricyclane [2.sigma. + 2.sigma. + 2.pi.] (1988) (7)
- Contiguously substituted cyclooctane polyols. configurational assignments via (1)H NMR correlations and symmetry considerations. (2008) (7)
- An Example of Overriding Cyanation During Reaction of a Primary Alcohol with o-Nitrophenyl Selenocyanate (2007) (7)
- Desilylative condensation reactions of electronegatively substituted 1-(trimethylsilyl)cyclopropanes1 (1988) (7)
- Impact of a basal nitro group on the density characteristics of select [4]peristylane derivatives (1989) (7)
- Structure of 1,1,5,5-tetranitro-[4]peristylane. Structure solution from molecular packing analysis. (1994) (7)
- Silver(I) ion catalyzed rearrangements of strained .SIGMA. bonds. XI. Silver(I)-assisted methoxyl group ionization. Some mechanistic and synthetic considerations derived from the behavior of endo-2-methoxytricyclo[4.1.0.03,7]heptanes (1972) (7)
- Synthesis of, and structural assignments to the stereoisomers of bis (2,2')- and tris (2,2',2")-tetrahydrofurans: conformational features and ionic binding capacities of these gateway polycyclic networks. (2007) (7)
- Electronic Control of Stereoselectivity. Part 29. Stereochemical and Regiochemical Course of Isodicyclopentadiene-Tropone Cycloaddition Reactions. (1985) (7)
- The Synthesis of 1-(β-1-Naphthylethyl)-2(1H)-pyridones (1962) (7)
- Solvolysis of sterically compressed anti-7-norbornenyl 3,5-dinitrobenzoates. Evidence for the absence of enhanced ionic stabilization in unsymmetrical (2 + 2 + 0) laticyclic cations (1975) (7)
- Neighboring group participation by sulfonamido nitrogen. (2008) (7)
- Organolithium reagent-promoted conversion of a functionalized 7-oxanorbornane to annulated fulvenes. An expedient route to 1,7-cyclohexenonorbornadienes (1985) (6)
- Electrophilic chemistry of dodecahedrane. Direct entry to epoxydodecahedrane and the first tethered derivative (1991) (6)
- Substituent control of regiospecific pathways in di-.pi.-methane photorearrangements which utilize benzo-vinyl bonding schemes (1975) (6)
- Crystal and molecular structure of cis-bicyclo[6.1.0]nonatriene-tetracyanoethylene cycloadducts (1972) (6)
- FACTORS CONDUCIVE TO THE CASCADE REARRANGEMENT OF STERICALLY CONGESTED AND GEOMETRICALLY RESTRICTED THREE-MEMBERED RINGS. FACILE SYNTHESIS OF A TOPOLOGICALLY NONPLANAR HETEROCYCLE (1984) (6)
- Quest for the pentagonal dodecahedrane (1979) (6)
- Extended projection of C60 spheres into three-dimensional space-three–fold cycloaddition of [60]fullerene to hericene (1996) (6)
- Unsaturated heterocyclic systems. LXII. Pyrolysis of azabullvalenes and 7-azabicyclo[4.2.2]deca-2,4,7,9-tetraenes (1968) (6)
- A Regioselective Route to 2,3,4-Trisubstituted Furans (2002) (6)
- Oxocane. Synthesis and conformational isomerization (1967) (6)
- Through-bond interaction via cyclobutane relay orbitals. Evaluation of the question of extended conjugation in belted [4,5]dihomotropones (1994) (6)
- Stereochemical and ring strain consequences in the silver(I) ion catalyzed rearrangement of -cubane derivatives (1971) (6)
- From Carbohydrates to the Discovery of Pronounced Heteroatomic Effects on Anionically Accelerated [3,3]‐Sigmatropic Rearrangements (2000) (6)
- Ruthenium‐Promoted Ring‐Closing Metathesis of Ene‐Dienes. Competitive Intramolecular Regioselection as a Function of Chain Length (2002) (6)
- Redox behavior of ferrocene derivatives. 2. Bis(.eta.5-tricyclo[5.2.1.02,6]deca-2,5,8-trien-6-yl)iron and related molecules (1993) (6)
- Mechanistic features of the base-induced decomposition of dibenzosemibullvalene 1-carboxaldehyde tosylhydrazone (1970) (6)
- [8]Annulene as a neighboring group. II. Response of the cyclooctatetraene ring to homoallylic electron deficiency (1973) (6)
- Extended functionalized of the fluted [4]peristylane perimeter (1988) (6)
- Doubly diastereoselective nucleophilic additions to a bicyclic β,γ-unsaturated ketone possessing a conformationally mobile double bond (1987) (6)
- Development of a strategy for the synthesis of the spherical hydrocarbon p-[42.58]decahedrane (1994) (6)
- Origin of the Damping Effect on the Stereoselectivity of Electrophile Capture Caused by the Remote Double Bond in Lithium Tricyclo[5.2.1.02,6]deca-3,5,8-trienide. Structure of This Cyclopentadienide in Tetrahydrofuran Solution (1994) (6)
- Response of tricyclo[5.5.0.02,8]dodecatetraene, tricyclo[5.3.0.0.2,8]deca-3,5,9-triene, and 9,10-dimethylenetricyclo[5.3.0.02,8]deca-3,5-diene to thermal and photochemical activation (1988) (6)
- The interception of homoallylic cations by neighboring hydroxyl (1968) (6)
- Tandem use of reductive and radical cyclization protocols in an approach to the first σ-allyl cation (1999) (6)
- Resolution and Absolute Configurational Assignments to 1-Oxa- and 1-Thia-6-ketospiro[4,4]nonanyl Platforms (2001) (6)
- A survey of 6,9-epoxycyclodeca [b] furan sesquiterpenes (1992) (6)
- Consequences of .alpha.-Bromo Substitution on the Course of Allylmetal Additions to 1-Oxaspiro[4.5]dec-7-en-6-one (1994) (6)
- The question of hexahomobenzene automerization. New synthetic approaches to cis3-1,4,7-cyclononatriene. (1977) (6)
- Tetracyanoethylene addition to iron tricarbonyl complexes of substituted cyclooctatetraenes. Regioselectivity considerations during formation of the 2,3,4,10-tetrahapto adducts (1975) (6)
- Mechanistic dichotomy in the photorearrangement of methylene analogs of conjugated cis-bicyclo[5.1.0]octenones☆ (1969) (6)
- Unsaturated heterocyclic systems—XVI : A novel synthesis of cyclic hydroxamic acid esters (1966) (6)
- Transition metal catalyzed rearrangement of 11,12-dimethyl[4.4.2]propella-2,4,11-triene as a route to stable cyclooctatetraene bond shift isomers. Implications for [1,5]-sigmatropic migration within the metal coordination sphere (1975) (6)
- Strain-activated 1,3-butadienes. Synthesis and dienic reactivity of dicyclobutylideneethane (1985) (6)
- Preparation and properties of endo,endo-7,8-diphenylbicyclo[4.1.1]octa-2,4-diene (1982) (6)
- Alkoxy and cyclic ether oxygens exhibit disparate capabilities for directing ortho lithiation (1993) (6)
- Synthesis of 3-Cyanoindolizines via Cycloaddition-Extrusion Reactions of Dicyanomethylids with Phenyl Vinyl Sulfoxide (1979) (6)
- Brominative indolization of an unsaturated bridgehead sultam with extrusion of sulfur dioxide (2006) (6)
- Reaction cascades based on squarate esters. 1,3-Dioxolane as a chaperone functional group for lithium ions (1996) (6)
- Thermal rearrangement of dibromotetracyclo[5.1.0.02,4.03,5]octanes. Assessment of the competitive opening of dibromocyclopropane and bicyclo[1.1.0]butane rings and a general synthesis of trans-bishomobenzenes (1977) (6)
- (4R)‐(+)‐tert‐Butyldimethylsiloxy‐2‐Cyclopenten‐1‐one (2003) (6)
- Synthesis of Stereodefined Z-vinyl Iodides from Carbohydrates as a Prelude to C/D Ring Assembly in Taxanes (1999) (6)
- Mechanistic and synthetic applications of silver(I)-promoted alkoxyl group ionization processes. Evaluation of cyclopropylcarbinyl and benzhydryl ethers (1974) (6)
- Synthesis and Conformational Properties of the Sterically Crowded D3d -Symmetric all-trans Hexa(spirotetrahydrofuranyl)cyclohexane System. (1999) (6)
- syn,endo-Tetracyclo[6.2.1.13,6.02,7]dodec-2-ylium cations. Kinetic and chemical consequences of fusing norbornyl segments across common C2,C3 segments (1980) (5)
- Stereocontrolled Elaboration of Natural (-)-Polycavernoside A, a Powerfully Toxic Metabolite of the Red Alga Polycavernosa tsudai. (2000) (5)
- An Efficient Means for Generating p-Methoxybenzyl (PMB) Ethers under Mildly Acidic Conditions (2008) (5)
- Direct 1,5-cycloaddition of sulphur dioxide to cyclo-octatetraene. 9-Thiabarbaralane 9,9-dioxide (1975) (5)
- Fluoride Ion‐Promoted α‐Ketol Rearrangement during Unmasking of Silyl‐Protected Medium‐Ring Dihydroxy Ketones (2004) (5)
- Isodicyclopentadienes and related molecules. LII, Comparative analysis of the solid state structural features of bis(η5-(1R, 8R)- and (η5-(1R, 8R), η5-(1S, 8S)-7,7,9,9-tetramethyltricyclo[6.1.1.02,6]deca-3,5-dien-2-yl)-dichlorotitanium (1990) (5)
- Stereochemical course of the base-promoted aldol self-coupling of racemic 5-norbornen-2-one and 2-norbornanone (1991) (5)
- Bond fixation in annulenes. 5. Absolute configuration and chiroptical properties of optically active 1,2,3-trimethyl- and 1,2,3,4-tetramethylcyclooctatetraenes (1979) (5)
- Synthesis and properties of 1H-naphtho[2,1-b]thiete 2,2-dioxide (1968) (5)
- A relay approach to (+)-pleuromutilin. III. direct degradation of the natural product to the key diketone intermediate and its chemospecific functionalization (1985) (5)
- (1S,2S,9R,10R)-Tetracyclo[8.2.1.02,9.03,7]trideca-3,6-dienyllithium. Tentative Evidence for a Quinternary Equilibrium Involving a Cyclopentadienide Ion (1996) (5)
- Bridged polycyclic compounds of the University of Colorado group. LXXIV. Rearrangements attending attempts to form the 1-dibenzosemibullvalenylcarbinyl (1-dibenzotricyclo[3.3.0.02,8]octadienylcarbinyl) cation (1972) (5)
- Mass Spectrometry in Structural and Stereochemical Problems. CI.1 A Study of the Fragmentation of Some Azabicyclo Lactams2 (1966) (5)
- The Hofmann Elimination of 9-Methyl-3,9-diazabicyclo[4.2.1]nonan-4-one Methiodide. Nature of the Product and Mechanism1 (1965) (5)
- Functionalized (Cs)-C17-heptaquinone derivatives. Chemical transformations along the fluted perimeter of a topologically spherical molecule (1979) (5)
- Silver(I) ion catalysis of benzyne cycloadditions (1971) (5)
- Claisen ring expansion approach toward the CDEF ring system of lancifodilactone G (2009) (5)
- Relative rate profile for ring-closing metathesis of a series of 1-substituted 1,7-octadienes as promoted by a 4,5-dihydroimidazol-2-ylidene-coordinated ruthenium catalyst. (2003) (5)
- Impact of high-lying .sigma. orbitals and extensive through-bond interaction on chemical reactivity. 2. Solvolytic studies of hypostrophene derivatives (1978) (5)
- A stable bicyclo[4,2,0]octatriene (1969) (5)
- Homologation of Vicinal Polyketone Networks to Epoxy Ketones with Diazomethane (2004) (5)
- A New Class of Activated Esters. The 1-Acyloxy-2(1H)-pyridones1 (1965) (5)
- Relative kinetic ordering of [1,3]-hydrogen migration, anionic oxy-cope rearrangement, and base-accelerated dehydration in tertiary cyclononatrienyl alkoxides (1981) (5)
- Functional group manipulation along the perimeter of a hemispherical molecule. Synthesis of dihydro- and tetrahydro-C16-hexaquinacene (1989) (5)
- Effective Synthetic Routes to 4H- and 10bH-Pyrido[2,1-a]isoindol-6-ones (2007) (5)
- EFFECTIVE CONTROL OF REGIOSELECTIVITY BY A BRIDGEHEAD SUBSTITUENT IN THE DI-Π-METHANE REARRANGEMENT OF DIBENZOBARRELENES AND BENZONORBORNADIENES (1985) (5)
- Angle and torsional strains as tools for enhancing the kinetic stability of .beta.-hydroperoxy ketones (1978) (5)
- Hydroxylamine Chemistry. II. The Abnormal Michael Reaction of N,N-Disubstituted Hydroxylamines with 2- and 4- Vinylpyridines1 (1962) (5)
- A RING-EXPANSION ROUTE TO ANALOGUES OF DIDEOXYHYDANTOCIDIN (1997) (5)
- Synthesis of the C2v- and S4-symmetric tetraesters of tricyclo[3.3.0.03,7]octane (1980) (5)
- Dissolving-metal reduction of a hemispherical dichloro diester. Tests of relative enolate nucleophilicity within a mixed dianion and oxidative behavior of a trisecododecahedryl alcohol (1983) (5)
- Sequential Annulation in Molecular Construction. A Short, Stereocontrolled Synthesis of (±)‐Hirsutene (1991) (5)
- Synthesis and X-Ray Crystal Structure Analysis of a Vicinally Dinitro-Substituted Bishomopentaprismane. (1986) (5)
- AN INDIRECT METHOD FOR ENGAGING UNACTIVATED ALKENES AS EFFECTIVE DIENOPHILES IN REGIOSELECTIVE DIELS‐ALDER REACTIONS (2002) (5)
- Absolute configuration of multifidene as deduced by total synthesis of the unnatural levorotatory enantiomer (1985) (5)
- Stereospecific (3,3) shift of a cyclobutene ring involving photofragmentation of a 1,8-bishomocubane as the relay (1977) (5)
- Unsaturated heterocyclic systems. LXXIX. Alkali metal reduction of oxepins (1971) (5)
- Photoisomerization of triquinacene congeners (1977) (5)
- Neighboring effect of the lactam functionality in select reactions of 6-azaspiro[4.5]decane-1,7-dione (2005) (5)
- Stereochemistry of the stereoselective epoxidation and hydroboration of hexamethyl (Dewar benzene) (1972) (5)
- A relay approach to (+)-pleuromutilin. II. preparation of an advanced optically pure intermediate☆ (1985) (5)
- The self-trapping of enamine-aldehyde condensation products: a new xanthone synthesis☆ (1965) (5)
- Photochemically-induced bond-switching rearrangements of conjugated cis-bicyclo[5.l.0]Octenones (1969) (5)
- Neighboring group properties of cyclooctatetraene. Hydrolysis rate and mechanism of ring contraction of the chloromethyl derivative (1975) (5)
- C–C bond cleavage reactions of episulphones. A convenient new synthesis of thiepin 1,1-dioxide (1971) (5)
- Silicon in organic synthesis. 25. Thermolysis and desiliconation-alkylation of [1-(trimethylsilyl)cyclopropyl]ethylenes as a route to spirocyclic sesquiterpenes (1985) (5)
- Delineating the possibilities for intramolecular interception of the squarate ester cascade through the use of metalated enecarbamates (2000) (5)
- Carbocation behavior in norbornyl-fused norbornyl systems. The kinetic and chemical consequences of fusing two norbornane units across framework bonds of various type (1985) (5)
- Analysis of Spectroscopic, Reactivity, and Structural Differences Originating Uniquely from Differing Modes of .pi.-Facial Complexation. The Three Possible Stereoisomeric Bis(isodicyclopentadienyl)titanium Combinations (1995) (5)
- Electrophilic additions to hexamethyldewarbenzene (1968) (5)
- Unsaturated heterocyclic systems. LXV. Mechanistic details of the photoinduced formation and thermal rearrangement of 3-methoxy-4-aza-6,7-benzotricyclo[3.3.2.02,8]deca-3,6,9-triene (benzazabullvalene A) (1970) (5)
- STEREOCONTROLLED SYNTHESIS, CONFORMATIONAL FEATURES, AND RESPONSE TO THERMAL ACTIVATION OF THE SEVEN POSSIBLE BIS‐ AND TRISHOMOCYCLOHEPTATRIENES (1977) (5)
- TRANSITION METAL PROMOTED REDIRECTION OF THE THERMAL BISHOMOCONJUGATIVE BOND REORGANIZATION PATHWAY OF UNSATURATED PROPELLANES (1974) (5)
- Model approach to the pentagonal dodecahedrane. Synthesis and properties of a monoseco derivative (1981) (5)
- [8]Annulene as a neighboring group. I. Multiple rearrangement attending the solvolysis of cyclooctatetraenylcarbinyl chlorides (1973) (5)
- Synthesis of the skipped polyene chain and its neighboring highly oxygenated pyran ring en route to delivering the C(43)-C(67) subsector of amphidinol 3 (2005) (5)
- Unusual course of the chromate oxidation of secododecahedrene and its monoepoxide (1987) (5)
- Cyclooctatetraene-bicyclo[4.2.0]octatriene equilibrium. Striking gradation in secondary deuterium isotope effects during Diels-Alder reactions of monosubstituted derivatives (1974) (5)
- Application of an S --> O Allylic Transposition in the Context of a Bridgehead Olefinic System. New Opportunities for the Structural Modification of Bicyclo[6.2.1]undecanes via Transannular Ring Closure. (1998) (5)
- X-ray crystallographic analysis of the structural distortions induced by substitution and annulation of the dodecahedrane nucleus. (1989) (4)
- pi-Facial stereoselectivity in Diels-Alder cycloadditions to 1-oxaspiro[4.5]deca-6,9-dien-8-one. The strong directive effect of ether oxygen in a cross-conjugated ketone setting. (2003) (4)
- The first cyclooctatetraene to which bond shifting is more accessible than ring inversion (1988) (4)
- Electronic control of stereoselectivity. 20. Crystal and molecular structure of the ferrocene derived from tricyclo[5.2.1.02,6]Deca-2,5,8-triene (1984) (4)
- Electronic control of stereoselectivity. 23. Stereochemically selective course of [6 + 4] and [3 + 4] cycloadditions to isodicyclopentadiene (1984) (4)
- New transformations involving squarate esters. Multi-channel rearrangement options available to 2-(dimethoxy-methyl)-1-cycloalken-1-yl adducts (1996) (4)
- Vicinal tetrahydrofuran polysubstitution of simulated fatty acids (1997) (4)
- A method for intramolecular syn delivery of an alkyl group to the proximal olefinic carbon in cyclooct-5-enols (1991) (4)
- New Extensions of the Anionic Oxy-Cope/Intramolecular SN' Reaction Cascade (1998) (4)
- An enzyme-based synthesis of (S)-(−)-3-methyl-2-[(phenylsiilfonyl)-methyl]butyl phenyl sulfide and the stereochemical course of its alkylation (1993) (4)
- Intramolecular epoxide cleavage by dissolving metal reduction of proximal cyclopropane rings (1972) (4)
- Hierarchy of orbital symmetry allowed pathways in the thermal skeletal rearrangements of a structurally unconstrained cyclooctatetraene (1974) (4)
- (C2)-Dioxa-c20-octaquinane, a heterocyclic trisecododecahedrane (1979) (4)
- Uni- and biparticulate electrophilic additions to conjugated bis(bicyclo[1.1.0]butanes) (1988) (4)
- TWOFOLD CATION‐OLEFIN CYCLIZATION. SYNTHESIS OF SYN‐(3.2.1)2‐ AND (2.2.2)2GEMINANE (1979) (4)
- The Ramberg‐Bäcklund Rearrangement (2005) (4)
- Competitive stereochemical control operative during conrotatory electrocyclization of helically equilibrating diquinanyl-substituted 1,3,5,7-octatetraenyl bisenolates. (2005) (4)
- The photoisomerization of a cyclic dienamine (1963) (4)
- (1R,5R)‐(+)‐Verbenone of High Optical Purity (2003) (4)
- Synthesis and reducibility of homo-2-methoxyazocines and their benzo-fused derivatives. An examination of heteroatomic influences on the possible generation of 9C-10.pi. homoaromatic dianions (1978) (4)
- Book Review: Comprehensive Organic Transformations. By R. C. Larock (1990) (4)
- A CONVENIENT ONE-FLASK PROCEDURE FOR THE DIRECT CONVERSION OF ALKENES TO HOMOALLYLIC ALCOHOLS (1998) (4)
- Is diazomethane addition to chiral α-keto esters subject to substrate diastereocontrol? (2006) (4)
- Absence of significant remote .pi.-bond effects during solvolysis of epimeric annelated 7-cycloheptatrienylmethyl 3,5-dinitrobenzoates (1973) (4)
- The thermochemical behavior of semibullvalenes. Annelation effects on the course of rearrangement (1973) (4)
- Domino Diels–Alder Reaction: 3,3a,3b,4,6a,7a‐Hexahydro‐3,4,7‐metheno‐7H‐cyclopenta[a]pentalene‐7,8‐dicarboxylic Acid (2003) (4)
- Endoperoxidation of conformationally fixed norcaradienes by singlet oxygen. Frontier molecular orbital basis for the operability of 1O2 quenching by hydrazides (1976) (4)
- Construction and base-promoted cyclization of a C2v-symmetric diepoxy tetraquinane disulfone (1979) (4)
- Configurational characterization of the 1-(trimethylsilyl)cyclopropyl radical (1986) (4)
- Reversible charge control of nortriquinacenyl-tetracyclo[4.2.1.03,5.04,9]nonenyl isomerizations (1978) (4)
- Regio- and stereoselective oxidation of unsaturated bicyclo[2.2.2]octanones with selenium dioxide (1991) (4)
- Photochemical Transformations of 2,3-Homotropone (1967) (4)
- Regioselective photoisomerizations of bridgehead substituted dibenzobarrelenes and benzonorbornadienes. The implication of excited-state secondary deuterium isotope effects of benzo-vinyl bridging (1982) (4)
- The influence of the amide function on excited state free valence. The di-π-methane photorearrangement of 5,6-benzo-2-azabicyclo[2.2.2]octa-5,7-dien-3-ones (1970) (4)
- Application of the anionic oxy-cope rearrangement to stereocontrolled synthesis of the A/B subunit of cytoxic 8,9-seco-ent-kaurenes (1992) (4)
- TOPOLOGICALLY SPHERICAL MOLECULES. REARRANGEMENT REACTIONS OF FUNCTIONALIZED C2-SYMMETRIC HEXAQUINANE SYSTEMS AND SYNTHESIS OF (C2)-DIOXA-C20-OCTAQUINANE, A HETEROCYCLIC TRISECODODECAHEDRANE (1979) (4)
- Oxidative cleavage of p-methoxybenzyl ethers with methyl(trifluoromethyl)dioxirane. (2005) (4)
- Response of bullvalenylcarbinyl p-anisoate to solvolysis and of bullvalenyldiazomethane to thermal activation (1975) (4)
- BOND FIXATION IN ANNULENES. 8. ASSESSMENT OF THE RING INVERSION AND BOND SHIFTING BARRIERS IN 1,2,3-TRIMETHYLCYCLOOCTATETRAENE. RESOLUTION, ABSOLUTE CONFIGURATION, AND CIRCULAR DICHROIC BEHAVIOR OF AN (8)ANNULENE HYDROCARBON (1980) (4)
- Stereoisomeric bishomo-3,5-cycloheptadienyl p-toluenesulfonates as probes of the geometric and conformational dependence to long-range cyclopropyl interaction during acetolysis (1977) (4)
- A relay to (+)-pleuromutilin. I. synthesis of a levorotatory tricyclic lactone subunit (1985) (4)
- In Quest of Tricyclo[4.4.1.04,11]undeca-1,3,5,7,9-pentaene, a Highly Strained, Cyclic 10.pi.-Electron, Polyunsaturated Hydrocarbon. Synthesis of a Methoxyl-Substituted Dihydro Derivative (1994) (4)
- Expedient Preparation of a Highly Functionalized Diquinane Building Block (1984) (4)
- TOPOLOGICALLY SPHERICAL MOLECULES. TRANSANNULAR AND OTHER REARRANGEMENT REACTIONS OF DIHOMODIOXATRISECODODECAHEDRANES (1980) (4)
- Pyrolysis of stereotopically twisted cyclobutane rings. Stereochemistry of the thermal cleavage of isomeric 5,6-dimethylbicyclo[2.1.1]hexanes to 2,6-octadienes (1973) (4)
- Direct access to heteropolycyclic spiroketones. 1,3-dichloroacetone as a cyclopropanone equivalent (2005) (4)
- Stereospecific anionically promoted transannular hydride shifts in medium-ring hydroxy ketones. Probe of their reversibility and the potential for regiocontrol. (2001) (4)
- A versatile new synthesis of 1H-azepines (1967) (4)
- Bond fixation in annulenes. 12. Effect of vicinal di-tert-butyl substitution on cyclooctatetraene valence isomerization. 7,8-Di-tert-butylbicyclo[4.2.0]octa-2,4,7-triene (1981) (4)
- SYN-SESQUINORBORNATRIENE AND ITS QUADRICYCLANE VALENCE ISOMER (1985) (4)
- Consequences of twofold bridging of the [10]annulene system as in cis-10,11-dihydrodicyclopenta[cd,gh]pentalene (1988) (4)
- Electronic Control of Stereoselectivity. Part 28. π-Face Stereoselection Operative During [3 + 4] Cycloaddition of Oxyallyl Cations to Isodicyclopentadiene. (1985) (4)
- Stabilized carbanions by alkyllithium-induced decarboxylation of non-enolizable carboxylic acids. An anionic equivalent to the hunsdiecker reaction (1988) (4)
- Population analysis of 2,8-pentamethylenesemibullvalene. Direct observation of individual nondegenerate valence isomers (1973) (3)
- Comparative study of syn- and anti-1,5-bishomocycloheptatrien-2-yl radicals and carbocations (1978) (3)
- [CH]12 hydrocarbons. Directed synthesis of pentacyclo[6,4,06,11,07,9,010,12]-dodeca-2,4-diene (1973) (3)
- X-ray crystallographic study of α-brominated diketo teraquinanes. Conformational effects of the number of halogens and their position on bond length and solit-state conformation (1992) (3)
- Development of a Generic Stereocontrolled Pathway to Fully Hydroxylated Spirocarbocyclic Nucleosides as a Prelude to RNA Targeting (2005) (3)
- Synthetic Studies Aimed at the Dolastanes. An Attempted A+C→ABC Approach. (1986) (3)
- Synthesis and Cycloaddition Reactions of 3-Cyanoindolizines (1980) (3)
- Derivatives of 3H-Azepine (1963) (3)
- The Alleged Functionalized Episulfones of Etlis1 (1966) (3)
- A [{TiCl2(isodiCp)}2(μ-O)] Dimer and a Twinned Cyclic [TiCl(isodiCp)(μ-O)]4 Tetramer (1998) (3)
- REAPPRAISAL OF THE STEREOCHEMISTRY OF ELECTROPHILIC ADDITIONS TO 3-NORCARENES. X-RAY AND PROTON NMR ANALYSIS OF NORCARENE EPOXIDE CONFORMATION. THE ROLE O MAGNETIC ANISOTROPIC CONTRIBUTIONS OF EPOXIDE RINGS (1979) (3)
- Synthesis of Enantiopure C2-Symmetric VERDI Disulfonamides and Their Application to the Catalytic Enantioselective Addition of Diethylzinc to Aromatic and Aliphatic Aldehydes. (2000) (3)
- Oxidation chemistry of a cis-2-(3-flurylidene)ethanol (1990) (3)
- Synthetic Studies Involving Bridgehead α,β-Unsaturated Ketones: Protocols for Regiocontrolled α-Methylation (1998) (3)
- Multiple functionalization of medium-sized carbocyclic rings. From cyclooctanone to a 1,5-dialkoxycyclooctatetraene (1993) (3)
- Double Diastereoselection Operative During π-Facially Selective Addition of Chiral 1-Cyclopentenyllithium Reagents to (7R)-7-Methyl-7-Vinylbicyclo[3.2.0]Hept-2-En-6-One (1987) (3)
- Enolization regioselectivity involving stereoisomeric 4a-methyl-5-methoxyperhydrobenzo[7]annulen-2-ones. (2009) (3)
- Kinetic and Thermodynamic Control of Aldolization in Higher Order Polyquinane Systems (1986) (3)
- The fate of bishomocycloheptadienyl cations generated by deamination (1977) (3)
- Solid-State Structural Analysis of the “Naked” Isodicyclopentadienide Anion (1998) (3)
- 4,7,7-Trimethyl-cis-bicyclo[3.3.0]oct-3-en-2-one. Potentially useful synthon for triquinane natural products (1981) (3)
- Contrasting directed-aldol reactivity of a pair of epimeric trimethylsilyl enol ethers (1985) (3)
- Oxonium Ion-Initiated Pinacolic Ring Expansion Reactions. Application to the Enantioselective Synthesis of the Spirocyclic Sesquiterpene Ethers Dactyloxene-B and -C. (1995) (3)
- Total Synthesis of (+)-Epoxydictymene. Application of Alkoxy-Directed Cyclization to Diterpenoid Construction. (1997) (3)
- Regiocontrolled C-8 Acylation of Castanospermine (1996) (3)
- Carbon-13 nuclear magnetic resonance spectral analysis of semibullvalene and related substances (1973) (3)
- Convenient synthetic routes to tricyclo[4.1.0.02,7]hept-3-ene and its derivatives (1976) (3)
- Unsaturated heterocyclic systems. XL. Evaluation of spiro[9,10-ethanoanthracene-11,2'-thietane] S,S-dioxides and 2.alpha.-dialkylaminoalkyl-3-dialkylaminothietane 1,1-dioxides as precursors of 2-methylenethiete 1,1-dioxide derivatives (1968) (3)
- Stereochemical Course of Singlet Oxygenation of a Stereoisomeric Pair of 1,9a-Epoxydecahydro-4a,5,8a-Trimethyl-2(3H)-Anthracenones (1986) (3)
- Reversible complex formation and kinetic substituent effects in the silver(I) ion induced bond reorganization of homocubanes (1972) (3)
- Phenyl Vinyl Sulfone and Sulfoxide (2003) (3)
- The azasemibullvalene system (1968) (3)
- Structure of 1,5,9-trinitrobishomopentaprismane. (1991) (3)
- Structure of Lithium Isodicyclopentadienide and Lithium Cyclopentadienide in Tetrahydrofuran Solution. A Combined NMR, IGLO, and MNDO Study. (1991) (3)
- WEISS-COOK CONDENSATIONS INVOLVING UNSATURATED AND TRANSANNULARLY ALKYLATED CYCLODODECANE-1,2-DIONES (1995) (3)
- Do Upper Limits to the Multiple Spiro Acetalization of the Cyclohexane Ring Exist (2007) (3)
- Asymmetric synthesis of the phytopathogen (+)-fomannosin. (2007) (3)
- SILICON IN ORGANIC SYNTHESIS. 16. A SHORT SYNTHESIS OF (.+-.)-α-VETISPIRENE (1982) (3)
- A unified synthetic strategy for elaboration of the DEF tricyclic subunit common to the austalide mycotoxins (1993) (3)
- Dynamics of seven- and eight-membered 1,5-cycloalkane-fused semibullvalene derivatives (1989) (3)
- Interrelationship of .pi.-bond tilting and the stereochemical disposition of substituents at C-2 and C-7 within norbornyl-fused 4-cycloheptenones (1984) (3)
- Valence isomerization of homocubanes. Reversible complex formation and kinetic substituent effects operating during silver(I)-induced bond reorganization (1975) (3)
- Electronic control of stereoselectivity. 28. .pi.-Face stereoselection operative during [3 + 4] cycloaddition of oxyallyl cations to isodicyclopentadiene (1985) (3)
- Plato's Solid in a Retort: The Dodecahedrane Story (1984) (3)
- Electrochemical characterization of azocinyl dianions (1970) (3)
- Selective trapping of rearranged spirocyclic isodicyclopentadienes by tropone (1984) (3)
- Through-Bond Interaction Via Cyclobutane Relay Orbitals as a Means of Extending Conjugation (1989) (3)
- Steroidal Hormone Analogs. X. 6-(1,2,3,4-Tetrahydro-2-naphthyl)-2(1H)-pyridones1 (1962) (3)
- Isodicyclopentadienes and related molecules: LVII. Solid state structural studies of the diastereomeric exo- and endo-(η5 -cyclopentadienyl)( η5 -( 1S,8R)-9,9-dimethyltricyclo[6.1.1.02,6]deca-2,5-dienyl) dichlorotitaniums and a stereopure exo-(η5-pentamethyl-cyclopentadienyl) congener☆ (1993) (3)
- Benzo(CH)10 interconversions. The synthesis and thermal isomerization of -7,8-benzotricyclo[4.2.0.02,5]deca-3,7,9-triene (1970) (3)
- Efforts toward the Synthesis of Pseudolaric Acid A: Intramolecular Bromoetherification as a Multipurpose Synthetic Tool (2010) (3)
- The dodecahedryl anion (1991) (3)
- Azocinyl dianions, their generation and protonation☆ (1970) (3)
- An unprecedented silyl triflate-promoted hydride shift within a taxane derivative (1992) (3)
- 1,5‐Asymmetric Induction in Squarate Cascades. Conformational Control of Helicity by Chiral Amino Substituents During Conrotatory Octatetraene Cyclization Prior to β‐Elimination. (1998) (3)
- A novel rearrangement attending the addition of sulfenes to 1,3-bis(dimethylamino)-3-phenyl-1-propene (1967) (3)
- An Efficient Means for Generating p‐Methoxybenzyl (PMB) Ethers under Mildly Acidic Conditions. (2008) (2)
- Is Pseudorotation the Operational Pathway for Bond Shifting Within (8)Annulenes? Probe of Planarization Requirements by 1,3-Annulation of the Cyclooctatetraene Ring. Kinetic Analysis of Racemization and 2-D NMR Quantitation of π-Bond (1990) (2)
- Divergent regioselectivity in the base-promoted reactions of cyclic eight-membered alpha-ketols with activated halides. (2003) (2)
- Additions and Corrections - Structural Consequences of 2,8 Bridging of the Semibullvalene Nucleus (1972) (2)
- Multifaceted Consequences of Holding Two (8)Annulene Rings Face-to- Face. Synthesis, Structural Characteristics, and Reduction Behavior of (22)(1,5)Cyclooctatetraenophane. (1992) (2)
- Survey of Oxygenated 2,11‐Cyclized Cembranoids of Marine Origin (1999) (2)
- Enantioselective Synthesis of Natural (‐)‐Austalide B, an Unusual Ortho Ester Metabolite Produced by Toxigenic Cultures of Aspergillus ustus. (1994) (2)
- Can Electron Transmission from Aza-Crown Ethers Contribute to Diels-Alder π-Facial Selectivity?† (1989) (2)
- From D -Camphor to the Taxanes. Highly Concise Rearrangement- Based Approaches to Taxusin and Taxol (1998) (2)
- SYNTHESIS AND PROTONATION STUDIES OF SYN- AND ANTI-2,4-BISHOMOTROPONE. COMPARISON WITH THE BEHAVIOR OF EPIMERIC 2,4-BISHOMOCYCLOHEPTATRIENOLS UNDER LONG- AND SHORT-LIVED IONIZATION CONDITIONS (1978) (2)
- Synthesis of meso- and dl-2,2'-methylenebis[tetrahydro-2-furanmethanol]. Potential building blocks for the construction of ionophores housing spirotetrahydrofuranyl motifs (1999) (2)
- Cyclization to Stereoisomeric Hexahydro-3,6-pentaleno[1,6-cd]pyran- 1(3H)-ones. A Model Study Explains the Preference for Trans Products (1996) (2)
- Highly unsaturated three-bladed propeller molecules. Synthesis and ring inversion dynamics of two [4.4.4]propellatrienetriones (1984) (2)
- Sulfur-containing reagents (2009) (2)
- Dihydroazepinone Chemistry. III. The Base-Catalyzed Deuterium Exchange of 1,3-Dihydro-1,3,5,7-tetramethyl-2H-azepin-2-one1 (1963) (2)
- The in situ generation of thiiren dioxides by the base-induced rearrangement of αα-dihalogeno-sulphones (1966) (2)
- Electronic control of stereoselectivity. 11. Long-range modulation of stereoselection in Diels-Alder cycloadditions of N-methyltriazolinedione to aryl-substituted 9-allylidenebenzonorbornenes (1982) (2)
- Direct comparison of SN2 mesylate displacement versus the mitsunobu protocol for 2',3'-dideoxyspirocarbanucleoside construction (2006) (2)
- Enantioselective synthesis of structurally intricate and complementary polyoxygenated building blocks of Spongistatin 1 (Altohyrtin A) (2009) (2)
- CONFORMATIONAL AND STEREOCHEMICAL CONSEQUENCES OF UNIPARTICULATE ELECTROPHILIC ADDITIONS TO CIS-BICYCLO(6,1,0)NONATRIENES, REACTIONS WITH TETRACYANOETHYLENE (1973) (2)
- The anti-6-tetracyclo[4.4.0.11,4.17,10]dodecyl cation cascade. Sequencing of rearrangement routes in a norbornyl-fused norbornyl system (1984) (2)
- Unsaturated heterocyclic systems. XXXVI. Reactions of tropones with activated isocyanates (1968) (2)
- Catalytic Enantioselective Hydrogenation of 1,1-Disubstituted Alkenes with Optically Active Titanocene and Zirconocene Complexes Containing either Identical or Different Ligands. (1996) (2)
- 1-Oxaspiro[4.4]nonan-6-ones. Synthetic Access via Oxonium Ion Technology, Optical Resolution, and Conversion into Enantiopure Spirocyclic α,β-Butenolides. (2001) (2)
- Additions and Corrections - The Photoisomerization of the 2,3-Dihydrooxepin Ring. Long-Range Coupling in Some 2-Oxabicylclo[3.2.0]hept-6-enes (1968) (2)
- Electrophilic capture by conjugated bis(bicyclo[1.1.0]butanes). Site specificity of the initiation step and thermodynamic control of the ensuing electronic reorganization (1986) (2)
- Access to Naturally Occurring Cyclooctanoids by Two‐Carbon Intercalation. Total Synthesis of (+)‐Ceroplastol I. (2010) (2)
- Conversion of D‐(‐)‐Quinic Acid into an Enantiopure C‐4 Functionalized 2‐Iodocyclohexenone Acetal. (1995) (2)
- PHOTOCHEMICAL PREPARATION OF 5-TERT-BUTYL-4-METHOXYCARBONYLTETRACYCLO(3.3.0.02,4.03,6)OCT-7-ENE (1982) (2)
- SUBSTITUENT CONTROL OF REGIOSPECIFIC PATHWAYS IN DI-PI-METHANE PHOTOREARRANGEMENTS WHICH UTILIZE BENZO-VINYL BONDING SCHEMES (1975) (2)
- Thermal retrograde [2 + 2] aromatization of caged bicyclo[4.2.0]octa-2,4-diene derivatives (1981) (2)
- Electronic control of stereoselectivity. 17. [4 + 2] Cycloadditions to norbornyl- and norbornenyl-fused anthracene systems (1983) (2)
- Synthesis of Triquinane Natural Products (1987) (2)
- Synthesis and Lewis acid induced isomerization of mono-, di-, and tri-spiro α-keto tetrahydro-furans and -pyrans (2006) (2)
- Unsaturated heterocyclic systems. XXXV. Deuterium substitution in the 4H-thiopyran-4-one 1,1-dioxide system (1968) (2)
- TRANSITION METAL CATALYZED REARRANGEMENT OF 11,12-DIMETHYL(4.4.2)PROPELLA-2,4,11-TRIENE AS A ROUTE TO STABLE CYCLOOCTATETRAENE BOND SHIFT ISOMERS, IMPLICATIONS FOR (1,5)-SIGMATROPIC MIGRATION WITHIN THE METAL COORDINATION SPHERE (1975) (2)
- Hydration of hexamethyl (Dewar benzene) oxide. Stereochemical aspects of the resulting rearrangement (1972) (2)
- 1,2,3,4-TETRAMETHYLCYCLOOCTATETRAENE AND 1,2,3,8-TETRAMETHYLCYCLOOCTATETRAENE, STABLE (8)ANNULENE BOND SHIFT ISOMERS (1975) (2)
- Thermal isomerization of homoazocines (1978) (2)
- Tetrabutylammonium Fluoride in Dimethyl Sulfoxide: A Reagent Combination for the Twofold Dehydrobromination of Vicinal Dibromides (2006) (2)
- AN OXYANIONIC (3,3)‐SIGMATROPIC APPROACH TO THE OPHIOBOLIN RING SYSTEM (1985) (2)
- Stereoselective Synthesis of Conformationally Constrained 2′‐Deoxy‐4′‐thia β‐Anomeric Spirocyclic Nucleosides Featuring Either Hydroxyl Configuration at C5′. (2005) (2)
- Lithium Aluminum Hydride (2004) (2)
- Ccncerning tautomeric equilibria in the azocine series (1969) (2)
- Strategies for the Stereocontrolled De Novo Synthesis of Natural Products (1995) (2)
- Regioselectivities in the di-.pi.-methane photorearrangement of 2-methylbenzonorbornadienes carrying ar-methoxy and ar-cyano substituents. The vinylmethyl effect (1982) (2)
- Enhancement of the efficiency of silver(I) promoted rearrangements in molten eutectics (1978) (2)
- The rhodium (I)-catalyzed rearraugememt of -1,3-bishomocycloheptatriene (1978) (2)
- Solvlytic behavior of silicon-substituted cyclopropylcarbinyl trifluoroacetates (1983) (2)
- REDUCTION OF α,β-UNSATURATED NITRILES WITH A COPPER HYDRIDE COMPLEX (1980) (2)
- Carbon Dioxide. (Book Reviews: CO_2: Chemical, Biochemical, and Physiological Aspects. A symposium, Haverford, Pa., Aug. 1968) (1971) (2)
- Concise Synthesis of cis‐ and trans‐Theaspirones via Oxonium Ion‐ Initiated Pinacol Ring Expansion. (1996) (2)
- Enantiomer recognition during anionic coupling of a racemic 2-norbornenone (1985) (2)
- LITHIUM ALUMINIUM HYDRIDE PROMOTED RING CONTRACTION OF CYCLIC FIVE-MEMBERED ALPHA-SULFONYL CARBANIONS AND ITS APPLICATION TO THE SYNTHESIS OF 1,2-DIALKYLCYCLOBUTENES (1974) (2)
- Workable synthetic route to functionalized 1,6-benzodiazocines (2009) (2)
- BOND FIXATION IN ANNULENES. 11. SYNTHESIS AND ABSOLUTE CONFIGURATION OF THE ENANTIOMERIC 1,3-DI-TERT-BUTYLCYCLOOCTATETRAENES. QUANTITATIVE KINETIC ASSESSMENT OF THE EFFECT OF NONVICINAL TERT-BUTYL GROUPS ON (8)ANNULENE RING-INVERSION AND BOND-SHIFTING BARRIERS (1981) (2)
- Photodimerization of a pyrido〔2,1-a〕isoindol-6(4H)-one (2008) (2)
- Response of hypostrophene and its monoepoxide to electrophilic reagents (1976) (2)
- Synthesis and crystal structure analysis of 1,5-disubstituted 9-thiabarbaralane 9,9-dioxides (1977) (2)
- Structure of diethyl 1,2,3,3b,4a,5,6,7,8,8a,8b,9-dodecahydro-1,5-dioxo-4,8,9-metheno-4H-cycl openta [1,2-a:4,3-a']dipentalene-4,10-dicarboxylate. (1991) (2)
- Efficient Conversion of Cyclic Olefins to 1,3-Cycloalkadienes (1977) (2)
- The crystal and molecular structure of endo,endo-2,6-diphenacyl[4}peristylane (1986) (2)
- Concerning the Inhibition of Singlet Oxygen Attack on Compounds Containig Urazole Rings (1978) (2)
- On the electronic character of progressively unsaturated [4.4.3]propellanyl cations under long- and short-life conditions (1983) (2)
- Acid-Catalyzed Cyclization of 1,4-Diols Tethered to (Butadiene)iron Tricarbonyl Segments. Isotopic Labeling as a Mechanistic Probe of Stereochemical Retention During Tetrahydrofuran Formation. (1993) (2)
- REGIOSELECTIVITIES IN THE DI-Π-METHANE PHOTOREARRANGEMENT OF 2-METHYLBENZONORBORNADIENES CARRYING AR-METHOXY AND AR-CYANO SUBSTITUENTS. THE VINYLMETHYL EFFECT (1982) (2)
- Asymmetric Synthesis of the Diterpenoid Marine Toxin (+)‐ Acetoxycrenulide. (1996) (2)
- 5-Dibenzosemibullvalenylcarbinyl carbene and carbonium ion. Fate of reactive groups attached to the bridgehead carbon of a nonfluxional semibullvalene (1972) (2)
- Ethynyl p‐Tolyl Sulfone (2003) (2)
- Kinetic deuterium isotope effects operative during triplet-sensitized 1:2+2] photocyclization of - and -sesquinorbornatrienes (1986) (2)
- Synthesis of Diquinane Natural Products (1987) (2)
- Total Synthesis of the Tetracyclic Diquinane Lycopodium Alkaloids Magellanine and Magellaninone. (1993) (2)
- The purported 2-methylbicyclo[3.2.2]nonatrienyl cation (1981) (2)
- Substituent control of stereochemistry in the rearrangements of 1,8-bishomocubanes catalyzed by silver(I) ion (1972) (2)
- Structure of 9-nitro-[4]peristylane-1,5-dione. (1991) (2)
- Total Synthesis of Furanocembranolides. Part 1. Stereocontrolled Preparation of Key Heterocyclic Building Blocks and Assembly of a Complete seco-Pseudopterane Framework. (1992) (2)
- Unprecedented loss of stereochemical integrity at a neighboring quaternary carbon during oxidation of a highly substituted cyclohexanol (1996) (2)
- Appraisal of migratory aptitudes in the Mo(CO)6-promoted bond relocation of [4.4.2]propella-2,4,11-trienes (1975) (2)
- Erratum: Synthesis of, and structural assignments to the stereoisomers of bis (2,2′)- and tris (2,2′,2″)-tetrahydrofurans: Conformational features and ionic binding capacities of these gateway polycyclic networks (Journal of Organic Chemistry (2007) 72 (6216)) (2007) (2)
- SOLVOLYSIS OF STERICALLY COMPRESSED ANTI-7-NORBORNENYL 3,5-DINITROBENZOATES, EVIDENCE FOR THE ABSENCE OF ENHANCED IONIC STABILIZATION IN UNSYMMETRICAL (2 + 2 + 0) LATICYCLIC CATIONS (1975) (2)
- Enantioselective Total Synthesis of (‐)‐Subergorgic Acid. (1993) (2)
- A novel rearrangement of an aminoőxy compound (1962) (2)
- ELECTRONIC CONTROL OF STEREOSELECTIVITY. 17. (4 + 2) CYCLOADDITIONS TO NORBORNYL- AND NORBORNENYL-FUSED ANTHRACENE SYSTEMS (1983) (1)
- BOND FIXATION IN ANNULENES. 4. THE ABILITY OF 1,2,3‐TRIMETHYLCYCLOOCTATETRAENE TO SUPPORT OPTICAL ACTIVITY (1977) (1)
- UNSATURATED, MEDIUM‐SIZED, HETEROCYCLIC RINGS: SYNTHESIS AND SELECTED REACTIONS*† (1966) (1)
- Toward a Total Synthesis of Okilactomycin. Part 2. A Metathesis‐Based Approach to the Heavily Functionalized Cyclohexane Ring. (2002) (1)
- Total Synthesis of Spinosyn A. Part 2. Degradation Studies Involving the Pure Factor and Its Complete Reconstitution. (1998) (1)
- Preference for the Diels-Alder addition of dienes syn to the O atom in cross-conjugated spirocyclic cyclohexadienones. (2004) (1)
- Efforts Toward the Synthesis of Pseudolaric Acid A: Intramolecular Bromoetherification as a Multipurpose Synthetic Tool. (2010) (1)
- (3.3) Sigmatropy Within 1-Vinyl-2-alkenyl-7,7-dimethyl-exo-norbornan-2-ols. The First Atropselective Oxyanionic Cope Rearrangement. (1990) (1)
- Preparation of Polyquinanes by Double Addition of Vinyl Anions to Squarate Esters: 4,5,6,6a-Tetrahydro-3a-Hydroxy-2,3-Diisopropoxy-4,6a-Dimethyl-1(3aH)-Pentalenone (2003) (1)
- Stereoelectronic control of 2-nortriquinacenylamine deaminations. Relevance of geometry and proximity to long-range orbital interaction and charge stabilization in cup-shaped molecules (1978) (1)
- A-Ring Oxygenation Studies in Bridgehead Hydroxyl-Substituted trans- Tricyclo(9.3.1.03,8)pentadecan-14-one Congeners of Taxol. (1994) (1)
- Synthesis of the Forskolin Skeleton via Anionic Oxy-Cope Rearrangement. (1988) (1)
- The crystal and molecular structure of syn-[4.4.3]propella-2,4,12-trien-11-ol 3,5-dinitrobenzoate (1985) (1)
- Successive electrocyclic rearrangements initiated by the addition of a lithiated cyclopropenone acetal to a squarate ester (1995) (1)
- Exploratory Synthetic Studies Involving the Tricyclo(9.3.0.02,8) tetradecane Ring System Peculiar to the Cyathins. (1994) (1)
- endo and exo isomers of isodicyclopentadienyltrichlorotitanium. (1997) (1)
- Inverse Electron‐Demand Diels‐Alder Cycloaddition of a Ketene Dithioacetal. Copper Hydride‐Promoted Reduction of a Conjugated Enone. 9‐Dithiolanobicyclo[3.2.2]Non‐6‐En‐2‐One from Tropone (2003) (1)
- The reaction of cycloheptatriene with methoxycarbonylnitrene: synthesis of 2,3- and 4,5-homo-1H-azepines (1968) (1)
- 2,7-Dimethyloxepin (2003) (1)
- Total Synthesis of the Cembranoid Diterpene Lactone (+)‐Cleomeolide. Some Remarkable Conformational Features of Nine‐Membered Belts Linked in 2,6‐Fashion to a Methylenecyclohexane Core. (1994) (1)
- Access to Protected 2-Alkylidene 1,3-Diones by Modified Knoevenagel Reaction in the Presence of Thiophenol. A New Approach to Spirocyclopentanol Construction. (1994) (1)
- Impact of high-lying .sigma. orbitals and extensive through-bond interaction on chemical reactivity. 3. Solvolysis of syn- and anti-tricyclo[4.2.0.02,5]octa-3,5-diene derivatives (1978) (1)
- SILANES IN ORGANIC SYNTHESIS. II. REGIOCONTROLLED SYNTHESIS OF α-HYDROXYMETHYLATED (TRIMETHYLSILYL)ALLENES (1981) (1)
- Opportunities Offered by Indium-Promoted Carbon—Carbon Bond-Forming Reactions in Water (1999) (1)
- Enantioselective Double Michael Addition/Cyclization with an Oxygen-Centered Nucleophile as the First Step in a Concise Synthesis of Natural (+)-Asteriscanolide. (2000) (1)
- The α-Hydroxy Ketone (α-Ketol) and Related Rearrangements (2005) (1)
- Cyclopentenyllithium Additions of Chiral Aldehydes. Diastereofacial Selectivity Indicating the Absence of a Pronounced Neighboring Carboxylate Anion Effect. (1991) (1)
- Stereochemistry of a thermal rearrangement in the (CH)12 series. Establishment of the suprafacial nature of a [1,5] carbon migration (1969) (1)
- Palladium-Catalyzed Intramolecular Cyclization of Vinyl and Aryl Triflates. Associated Regioselectivity of the β-Hydride Elimination Step. (1992) (1)
- The Consequences of Strain Release in the Norbornyl Subunit of Isodicyclopentadiene on Cycloaddition Stereochemistry. Further Evidence That Orbital Tilting Serves as the Key Determinant of Contrasteric π-Facial Selectivity. (1994) (1)
- A facile ring cleavage of 3-aminothietane dioxides (1966) (1)
- AZETIDINONE ANTIBIOTICS. 20. SYNTHESIS OF 7β-AMIDO-7α-METHOXY-3-METHYL-1-OXACEPHALOSPORIN (1981) (1)
- Heteroatomic Influences on the π‐Facial Selectivity of Diels‐Alder Cycloadditions to Dispiro(4.0.4.4)tetradeca‐11,13‐dienes. (1995) (1)
- Single Stereodifferentiation Associated with Carbon Atom Insertion During the Oxonium Ion-Initiated Pinacol Rearrangement of Dihydrofuranyl and Dihydropyranyl Carbinols. (1997) (1)
- Synthetic Studies Relating to the Structure of Senoxydene. A Sequential Annulation Approach to Angular Triquinane Construction Capable of Varied Tetramethyl Substitution Patterns. (1986) (1)
- Mono‐ and Bis‐Acrolein Derivatives by Reliable and Efficient One‐Step Methylenation of Aldehyde Precursors. (2005) (1)
- The fate of transannularlyl-disposed diazo and keto functions in cyclododecanes☆ (1968) (1)
- 2‐(2‐Bromoethyl)‐1,3‐dioxane (2001) (1)
- Regioselective Routes to Nucleophilic Optically Active 2- and 3-Carene Systems. (1990) (1)
- Indium‐Promoted Coupling Reactions in Water (2001) (1)
- Two derivatives of lithium isodicyclopentadienide: [(1,2,3,3a,7a-eta)-4,5,6,7-tetrahydro-4,7-methanoindenido] (N,N,N1,N1-tetramethylethylenediamine)lithium and Bis (1,4,7,10-tetraoxacyclododecane)-lithium(1+) Bis[(1,2,3,3a,7a-eta)-4,5,6,7-tetrahydro-4,7-methanoindenido]lithate(1- ). (1996) (1)
- Base-Promoted Ring Contractionof Eight-Membered Cyclic Acyloins and their Ethers to Cs-Symmetric α-Ketols (2003) (1)
- New Synthetic Developments (1987) (1)
- The First Examples of Bridgehead Bicyclic Sultams. (2000) (1)
- Additions and Corrections - Stereospecific Total Synthesis of (±)·Isocomene (Berkheyaradulene). (1980) (1)
- Synthesis of (-)-Neplanocin A (2006) (1)
- BOND FIXATION IN ANNULENES. 16. SYNTHESIS OF THE 1,2-DIMETHYL-3-PHENYLCYCLOOCTATETRAENE ⇄ 1,8-DIMETHYL-2-PHENYLCYCLOOCTATETRAENE BOND SHIFT ISOMER PAIR. PROBE OF THE RELATIVE SIZE OF A FLANKING PHENYL SUBSTITUENT BY MEANS OF RACEMIZAT (1984) (1)
- Effective Synthetic Routes to 4H- and 10bH-Pyrido[2,1-a]isoindol-6-ones. (2008) (1)
- Cyclopentadiene Annulation via the Skattebøl Rearrangement: (1R)-9,9-Dimethyltricyclo-[6.1.1.02,6]Deca-2,5-Diene (2003) (1)
- Direct Elaboration of Complex Polyquinanes Through 2-Fold Addition of Vinyl Anions to Squarate Esters. (1994) (1)
- Ingenane Synthetic Studies. Stereocontrolled Introduction of All Oxygenated and Unsaturated Centers in an Ingenol Prototype. (1988) (1)
- A RELAY APPROACH TO (+)-PLEUROMUTILIN. II. PREPARATION OF AN ADVANCED OPTICALLY PURE INTERMEDIATE (1985) (1)
- Ring Expansion by Tandem Double Tebbe‐Claisen Technology. (1993) (1)
- A Triply Convergent Enantioselective Total Synthesis of (+)-Ikarugamycin. (1990) (1)
- [6π + 2π] and [6π + 4π] Higher-Order Cycloadditions and Their Deployment in Total Synthesis (2000) (1)
- DEMONSTRATION AND ANALYSIS OF BRIDGING REGIOSELECTIVITY OPERATIVE DURING DI-Π-METHANE PHOTOREARRANGEMENT OF ORTHO-SUBSTITUTED BENZONORBORNADIENES AND ANTI-7,8-BENZOTRICYCLO(4.2.2.02,5)DECA-3,7,9-TRIENES (1977) (1)
- SYNTHESIS AND THERMAL ISOMERIZATION OF A CYCLOBUTA(D)NAPHTHALENONE (1984) (1)
- Cyclopropylidene-bicyclo[1.1.0]butane interactions. The generation and intramolecular rearrangement of tetracyclo[5.1.0.02,4.03,5]octanylidenes (1976) (1)
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- ansa-[(tert-Butylamino)(isodicyclopentadienyl)dimethylsilane]Zr(NMe2)2 prepared by an amine-elimination reaction. (2003) (1)
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- Alkoxide Precoordination to Rhodium Enables Stereodirected Catalytic Hydrogenation of a Dihydrofuranol Precursor of the C29-40 F/G Sector of Pectenotoxin-2. (2005) (1)
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- Bridgehead Oxiranyl Sesquiterpenoids. Asymmetric Total Synthesis of (-) -Salsolene Oxide. (1997) (1)
- Studies Directed Toward the Total Synthesis of Kalmanol (VI). An Approach to Construction of the C/D Diquinane Substructure. (1996) (1)
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- Limitations in the Application of Anionic Oxy-Cope Sigmatropy to Elaboration of the Forskolin Nucleus. (1989) (1)
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- Enantiospecific Total Synthesis of Natural (-)-Retigeranic Acid A and Two (-)-Retigeranic Acid B Candidates. (1988) (1)
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- N-BENZYL-2,3-AZETIDINEDIONE : (2,3-AZETIDINEDIONE, 1-(PHENYLMETHYL)-) (1998) (1)
- ELECTRONIC STRUCTURE OF TRICYCLO(4.1.0.02,7)HEPT-3-ENES. CORRELATION WITH THE REGIOSELECTIVITY OF ELECTROPHILIC ATTACK (1978) (1)
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- Enantioselective Synthesis of Natural (+)‐Dactyloxene‐B and ‐C by Actuation of Oxonium Ion‐Initiated Pinacol Rearrangement. (1993) (0)
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- Stereospecific Approach to 3-Oxocen-7-ones via Aliphatic Claisen Rearrangement. Synthesis of (+)-(2R,8S)- and (+)-(2R,8R)-Lauthisan. (1990) (0)
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- Diastereoselection During 1,2-Addition of the Allylindium Reagent to . alpha.-Thia and α-Amino Aldehydes in Aqueous and Organic Solvents. (1997) (0)
- Intramolecular Nucleophilic Addition to Unsaturated Carbon. Dependence of Cyclization Efficiency on the Method of Carbon-Carbon Bond Cleavage Utilized to Generate the Reactive Species. (1990) (0)
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- Olefin Metathesis in Cyclic Ether Formation. Direct Conversion of Olefinic Esters to Cyclic Enol Ethers with Tebbe‐Type Reagents. Copper( I)‐Promoted Stille Cross‐Coupling of Stannyl Enol Ethers with Enol Triflates: Construction of Complex Polyether Frameworks (1997) (0)
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- Application of the α,β-Epoxy Ketone Photorearrangement to Diterpene Construction. Stereoselective Synthesis of (.+-.)-4aβ,10β-Doladiol Acetate. (1987) (0)
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- A doubly bridged isodicyclopentadienyl zirconium complex: bis[N-(3,5-dimethylphenyl)-N-[(eta5-isodicyclopentadien-2-yl)dimethylsilyl]amido-kappaN]zirconium(II) diethyl ether solvate. (2003) (0)
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- Isodicyclopentadienes and Related Molecules. Part 42. Can Electron Transmission from Aza-Crown Ethers Contribute to Diels-Alder π-Facial Selectivity? (1990) (0)
- MECHANISTIC DICHOTOMY IN CYCLOADDITIONS TO CYCLOOCTATETRAENEIRON TRICARBONYL, X‐RAY CRYSTAL STRUCTURE ANALYSIS OF THE TCNE AND CSI ADDUCTS (1973) (0)
- MOLYBDENUM(0) CATALYSIS OF (1,5)SIGMATROPIC CARBON MIGRATION IN UNSATURATED(4.4.2)PROPELLANES. DEUTERIUM ISOTOPE EFFECTS, KINETICS, AND MECHANISM (1978) (0)
- Comparative Analysis of Molecular-Recognition Levels Attained During Capture of Chiral Cyclopentenyl Organometallics by Conformationally-Immobilized Ketonic Systems. (1989) (0)
- Dynamic Behavior of 1,2-Annulated Cyclooctatetraenes. Kinetic Analysis of Transition-State Steric Congestion Involving Neighboring Alicyclic Substituents. (1989) (0)
- Experimental Test of Setting Three Contiguous Stereogenic Centers in Water. Diastereoselective Coupling of Geometrically Biased Allylic Bromides to α-Oxy Aldehydes with Indium. (1997) (0)
- Isodicyclopentadienes and Related Molecules. Part 47. A Shelf-Stable syn-Sesquinorbornatriene. An Extreme Example of a Crystallographically Determined π-Pyramidalization Angle. (1989) (0)
- Studies Directed Toward the Total Synthesis of Cerorubenic Acid‐III. Part 4. Exploration of an Organometallic Approach to Construction of the Eastern Sector. (1995) (0)
- Regio- and Stereoselective Oxidation of Unsaturated Bicyclo(2.2.2) octanones with Selenium Dioxide. (1991) (0)
- ANGLE AND TORSIONAL STRAINS AS TOOLS FOR ENHANCING THE KINETIC STABILITY OF β‐HYDROPEROXY KETONES (2002) (0)
- SYN,ENDO-TETRACYCLO(6.2.1.13,6.02,7)DODEC-2-YLIUM CATIONS. KINETIC AND CHEMICAL CONSEQUENCES OF FUSING NORBORNYL SEGMENTS ACROSS COMMON C2,C3 SEGMENTS (1980) (0)
- Gas-Phase Basicities of Cubane, Dodecahedrane, and Methyl- and 1,16-Dimethyldodecahedrane as Measured by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. (1987) (0)
- A Concise Total Synthesis of Enantiomerically Pure (+)-cis- and (+)-trans-Lauthisan (I). (1990) (0)
- Tandem Anionic (3,3) Sigmatropy and SN′ Displacement. New Synthetic Technology for the Construction of Hydroazulenone and Related Frameworks. (1991) (0)
- (+)-Pleuromutilin Synthetic Studies. Direct Degradative to and Independent Preparation of an Advanced Diketone Intermediate. Demonstration that Reconstruction of the Eight-Membered Ring Suffers from Serious Kinetic Retardation. (1988) (0)
- Teubrevin G (I) and Teubrevin H (II): The First Total Syntheses of Rearranged neo‐Clerodanes Including Solutions to the Problems of Chirality Merger and Furan Ring Assembly. (2001) (0)
- TOTAL SYNTHESIS OF (-)-SILPHIPERFOL-6-ENE AND (-)-5-OXOSILPHIPERFOL-6-ENE (1985) (0)
- Stable Carbocations. Part 275. The Dodecahedryl Cation and 1,16‐Dodecahedryl Dication. 1H and 13C NMR Spectroscopic Studies and Theoretical Investigations. (1989) (0)
- Centenary Lecture: Bridgehead Unsaturation in Compounds of Nature: A Proper Forum for Unleashing the Potential of Organic Synthesis (1995) (0)
- Capacity of Quadricyclane Frameworks Related to syn-Sesquinorbornatriene for Excited-State Rearrangement. (1988) (0)
- Cycloaddition of the Trimethylenemethane-Palladium Complex to Activated Six-Membered and Medium-Size Ring Enones. (1988) (0)
- X-Ray Crystallographic Analysis of the Structural Distortions Induced by Substitution and Annulation of the Dodecahedrane Nucleus (1989) (0)
- Oxonium Ion Initiated Pinacolic Ring Expansion Reactions (1999) (0)
- Antimicrobial Algal Metabolites of Unusual Structure. Concise Synthesis of the Highly Oxygenated (4.4)Spirononene Dimethyl Gloiosiphone A by Ring Expansion of Dimethyl Squarate. (1997) (0)
- Synthesis and Properties of (4,5)Dihomotropone (Bicyclo(5.1.1)nona-2,5- dien-4-one) (VII). (1993) (0)
- ASSESSMENT OF THE RELATIVE EFFICIENCIES OF SYN-DISPOSED CYCLOPROPANE, CYCLOBUTANE, AND CYCLOBUTENE RING PARTICIPATION IN THE PHOTOLYSIS OF AZO COMPOUNDS, KINETIC ANALYSIS OF A CIS-BICYCLO(5,2,0)NONA-2,5,8-TRIENE TO CIS-BICYCLO(6,1,0)N (1973) (0)
- SYNTHETIC STUDIES INVOLVING BRIDGEHEAD ALPHA , BETA -UNSATURATED KETONES :PROTOCOLS FOR REGIOCONTROLLED ALPHA -METHYLATION (1998) (0)
- Convergent Regiodirected Assembly of 2,3-Disubstituted Furans. (2001) (0)
- SILICON IN ORGANIC SYNTHESIS. 13. THE 1-TRIMETHYLSILYLCYCLOPROPYL ANION AND ITS FORMAL EQUIVALENT (1982) (0)
- Claisen-Based Strategy for the de Novo Construction of Basmane Diterpenes. Enantiospecific Synthesis of (+)-7,8-Epoxy-2-basmen-6-one. (1990) (0)
- Concise Total Syntheses of the Bioactive Mesotricyclic Diterpenoids Jatrophatrione (I) and Citlalitrione (II). (2003) (0)
- Stereochemical Course of Singlet Oxygenation of a Stereoisomeric Pair of 1,9a-Epoxydecahydro-4a,5,8a-trimethyl-2(3H)-anthracenones. (1987) (0)
- THERMAL RETROGRADE (2 + 2) AROMATIZATION OF CAGED BICYCLO(4.2.0)OCTA-2,4-DIENE DERIVATIVES (1981) (0)
- Flattening of the Cyclooctatetraene Ring by Annulation. (1987) (0)
- Dynamic Properties of Chiral Cyclooctatetraenes. Total Inhibition of the Racemization Process by 1,4-Annulation. (1989) (0)
- Impact of Substituent Modifications on the Atropselectivity Characteristics of an Anionic Oxy-Cope Ring Expansion. (1991) (0)
- Evaluation of Amino Substituents as Nucleofugal Controllers of Regioselectivity and as Chelate Modulators of Stereoselectivity in Squarate Ester Cascades. (1998) (0)
- First Synthesis of a Rearranged neo‐Clerodane Diterpenoid. Development of Totally Regioselective Trisubstituted Furan Ring Assembly and Medium‐Ring Alkylation Tactics for Efficient Access to (‐)‐Teubrevin G. (2001) (0)
- THE QUESTION OF HEXAHOMOBENZENE AUTOMERIZATION. NEW SYNTHETIC APPROACHES TO CIS3-1,4,7-CYCLONONATRIENE (1977) (0)
- Reactivity of π-equivalent medium-ring nitrogen heterocycles. Azocines and homoazocines (1978) (0)
- New Photorearrangements of 2-Cyclopentenones. The Genesis and Fate of Cyclopropylcarbinyl Biradical Intermediates. (2000) (0)
- Cleavage of Carbon‐Carbon Bonds with High Stereochemical Control. Part 5. Course of the Haller‐Bauer Reaction of Cyclic α‐Phenyl Ketones. (1989) (0)
- CONTRASTING DIRECTED‐ALDOL REACTIVITY OF A PAIR OF EPIMERIC TRIMETHYLSILYL ENOL ETHERS (1985) (0)
- Additions and Corrections - Thermally Promoted Ring Cleavage Reactions of Stereoisomeric Tetracyclo[4.3.0.0 2,5 .0 7,9 ]non-3-enes. Pentacycl[5.3.0.0 2,6 .0 3,5 .0 8,10 ]decanes and Their Epoxide Counterparts (1977) (0)
- Enantiomer Recognition during Reductive Coupling of Racemic and Chiral2,3-Dihydro- and (1975) (0)
- ISOMERIZATION BEHAVIOUR OF 2,8‐TETRAMETHYLENESEMIBULLVALENE UNDER THERMAL, PHOTOCHEMICAL, AND METAL CATALYZED CONDITIONS, AN EXCITED STATE SEMIBULLVALENE‐SEMIBULLVALENE REARRANGEMENT (1975) (0)
- Physicochemical Studies of Doubly and Triply Unsaturated syn- und anti- Sesquinorbornanes. Photoelectron Spectroscopy, Molecular Orbital Calculations, and Deuterium-Induced 13C-NMR Shifts. (1988) (0)
- Synthesis and Unprecedented Reactivity Characteristics of Unsaturated Bridgehead Sultams (2007) (0)
- Silicon in Organic Synthesis. Part 31. Desilylative Condensation Reactions of Electronegatively Substituted 1-(Trimethylsilyl)cyclopropanes. (1988) (0)
- Is Triquinacene Homoaromatic? A Thermochemical Answer in the Affirmative. (1987) (0)
- (4.4.4)Propellahexaene by Triple Shapiro Degradation. Structural and Electronic Properties of This Maximally Unsaturated Hydrocarbon and Consequences of O-Methylation of Its (4.4.4)Propellatrienetrione Precursors. (1990) (0)
- Highly Diastereocontrolled Synthesis of the C1—C25 Domain of Sanglifehrin A. (2000) (0)
- Stable Carbocations. Part 271. Chemical Properties of Dodecahedrane. The Dodecahedryl Cation and 1,16-Dodecahedryl Dication. Regioselective Difunctionalization of the Sphere. (1988) (0)
- RELATIVE KINETIC ORDERING OF (1,3)-HYDROGEN MIGRATION, ANIONIC OXY-COPE REARRANGEMENT, AND BASE-ACCELERATED DEHYDRATION IN TERTIARY CYCLONONATRIENYL ALKOXIDES (1981) (0)
- A Convenient Route to Spirocyclic C-Glycosides. Demonstration that Ring Strain Release Can Override Normal Operation of the Ferrier Rearrangement. (1994) (0)
- Belted Spirocyclic Tetrahydrofurans: A New Class of Preorganized Ionophoric Polyethers. Molecular Structure, Conformation, and Binding to Alkali‐Metal Atoms. (1991) (0)
- MECHANISTIC ASPECTS OF THE SILVER(I)-PROMOTED REARRANGEMENTS OF TRICYCLO[4.1.0.0$sup 2$ $sup 7$]HEPTANE DERIVATIVES. DEUTERIUM ISOTOPE EFFECT STUDIES AND INDEPENDENT GENERATION OF ARGENTO CARBONIUM IONS. (1972) (0)
- (4.4.4)PROPELLA-2,4,7,9,12-PENTAENE. SYNTHESIS AND REMARKABLE THERMAL STABILITY (1984) (0)
- Isodicyclopentadienes and Related Molecules. Part 41. Stereochemical Course of Diels-Alder Cycloadditions to Hydroxymethyl-Substituted Plane-Nonsymmetric Cyclopentadienes. (1989) (0)
- THE CONSEQUENCES OF METHYL SUBSTITUTION ON THE EFFICIENCY AND REGIOSELECTIVITY OF C-H INSERTION DURING INTRAMOLECULAR CYCLIZATION OF NORCARAN-7-, 3-NORCAREN-7-, AND TRICYCLO(5.1.0.03,5)OCTAN-8-YLIDENES (1977) (0)
- Toward the Design of a Convergent Practical Route to All Classes of Taxanes (1994) (0)
- Zirconocene‐Mediated Route to Enantiopure 9‐Oxabicyclononanes Functionalized on Both Carbon Bridges. (2003) (0)
- Synthesis of Both Antipodal Forms of 7,7-Dimethylbicyclo(2.2.2)oct-2- en-5-one by Enantiomer Interconversion. (1996) (0)
- PERPENDICULARLY ORIENTED PI SYSTEMS, THERMAL ACTIVATION OF ANNULATED BICYCLO(4,2,0)OCTATRIENES AND ESTABLISHMENT OF THE TETRACYCLO(4,2,0,0(2,8),0(5,7))OCTANE PATHWAY OF BOND RELOCATION (1974) (0)
- Isodicyclopentadienes and related molecules. 45. (1R)-(-)-Nopol as the source of an optically pure fused cyclopentadienyl ligand. Stereochemical course of complexation to cyclopentadienyltitanium and -zirconium dichloride fragments [Erratum to document cited in CA111(1):7549e] (1990) (0)
- Synthesis of Di‐ and Triquinane Sesqui‐, Di‐ and Sesterterpenes ‐ Columbus Style (1993) (0)
- A Regioselective Route to 2,3,4-Trisubstituted Furans. (2002) (0)
- Haller-Bauer Cleavage of Open-Chain and Cyclic α-Phenyl Ketones Proceeds with Retention of Configuration. (1988) (0)
- Intramolecular SN′ Cleavage of Allylic Ethers by Enolate Anions. (1989) (0)
- MESO- AND DL-BIVALVANE (PENTASECODODECAHEDRANE). ENANTIOMER RECOGNITION DURING REDUCTIVE COUPLING OF RACEMIC AND CHIRAL 2,3-DIHYDRO- AN HEXAHYDROTRIQUINACEN-2-ONES (1976) (0)
- An Indium‐Promoted Alternative to the Knoevenagel Condensation of Aldehydes with Methyl Acetoacetate. (1999) (0)
- Total Synthesis of the Lycopodium Alkaloids Magellanine and Magellaninone by Three-fold Annulation of 2-Cyclopentenone. (1994) (0)
- The case for noncompetitive cyclizative options during attempted expedient construction of the core ring system of CP-263,114 (2000) (0)
- SILICON IN ORGANIC SYNTHESIS. 23. CHLORO((TRIMETHYLSILYL)METHYL)KETENE AS A USEFUL INTERMEDIATE FOR THE ELABORATION OF α-METHYLENECYCLOBUTANONES AND -CYCLOPENTANONES (1984) (0)
- A NEW SYNTHON FOR THE REGIOSPECIFIC Γ-ALKYLATION OF 2-CYCLOHEXENONES. APPLICATION TO THE SYNTHESIS OF ZINGIBERENOL AND OXYGENATED BICYCLO(3.3.1)NONANES (1982) (0)
- ELECTRONIC CONTROL OF STEREOSELECTIVITY. 23. STEREOCHEMICALLY SELECTIVE COURSE OF (6 + 4) AND (3 + 4) CYCLOADDITIONS TO ISODICYCLOPENTADIENE (1985) (0)
- Preparation of Annulated 2,4-Dioxygenated 5-Methylfurans. (1991) (0)
- Small-Ring Annulation and Ring Expansion of the Dodecahedrane Framework. Homododecahedranone and the 21-Homododecahedryl Cation. (1989) (0)
- Chapter 5 – Total Synthesis of Jatrophatrione, an Unprecedented [5.9.5] Tricyclic Antileukemic Diterpene (2004) (0)
- THE BICYCLOOCTATETRAENYL TETRAANION. A QUADRUPLY CHARGED 20 Π-ELECTRON BIPHENYL ANALOG (1976) (0)
- Is Diazomethane Addition to Chiral α‐Keto Esters Subject to Substrate Diastereocontrol? (2006) (0)
- (22)(1,5)Cyclooctatetraenophane. (1990) (0)
- OLEFIN CLEAVAGE UNDER OSMYLATION CONDITIONS (1998) (0)
- Total Synthesis of 18‐Oxo‐3‐virgene (XI), a Constituent of the Waxy Surface Resins of Tobacco. (1994) (0)
- (1,5)-HYDROGEN SIGMATROPY WITHIN ISODICYCLOPENTADIENE. CYCLOADDITIVE CAPTURE OF A FLEETING ISOMER WITH DIENOPHILES OF LOW REACTIVITY (1983) (0)
- Control by Pyridine Nitrogen of the Dual-Channeled Triplet-State Di-π- methane Photorearrangement of 5,8-Dihydro-5,8-methanoquinoline Systems. (1988) (0)
- DIHYDROAZEPINONE CHEMISTRY. IV. 1-AMINOALKYL-1,3-DIHYDRO-3,5,7-TRIMETHYL-2H-AZEPIN-2-ONES. (1963) (0)
- REVERSIBLE CHARGE CONTROL OF NORTRIQUINACENYL-TETRACYCLO(4.2.1.03,5.04,9)NONENYL ISOMERIZATIONS (1978) (0)
- IMPACT OF HIGH-LYING Σ ORBITALS AND EXTENSIVE THROUGH-BOND INTERACTION ON CHEMICAL REACTIVITY. 1. CONVENIENT SYNTHESES OF HYPOSTROPHENE AND ITS SUSCEPTIBILITY TO REARRANGEMENT UNDER ELECTROPHILIC CONDITIONS (1978) (0)
- Direct synthesis of previously inaccessible bridgehead azabicyclics by intramolecular cyclization of alpha-sulfonamido and alpha-sulfonimido radicals. (2001) (0)
- Delineating the Possibilities for Intramolecular Interception of the Squarate Ester Cascade Through the Use of Metalated Enecarbamates. (2000) (0)
- Consequences of Twofold Bridging of the (10)Annulene System as in cis-10,11-Dihydrodicyclopenta(cd,gh)pentalene. (1988) (0)
- THERMALLY PROMOTED RING CLEAVAGE REACTIONS OF STEREOISOMERIC TETRACYCLO(4.3.0.02,5.07,9)NON-3-ENES, PENTACYCLO(5.3.0.02,6.03,5.08,10)DECANES, AND THEIR EPOXIDE COUNTERPARTS (1977) (0)
- Stereospecific Intramolecular Epoxide Cleavage by Phenolate Anion . Synthesis of Novel and Biologically Active Cannabinoids (2020) (0)
- Isomerization of 1,7-Diheteradispiro(4.0.4.4)tetradeca-11,13-dienes in the Presence of Tetracyanoethylene. (1995) (0)
- Functional-Group Reactions: Survey of Organic Syntheses . Calvin A. Buehler and Donald E. Pearson. Wiley-Interscience, New York, 1970. xii, 1166 pp., illus. $27.50. (1971) (0)
- SOLVOLYTIC STUDIES OF UNSATURATED 11-HYDROXYMETHYLBICYCLO(4.4.1)UNDECANE 3,53-DINITROBENZOATES, VALENCE ISOMERIZATION LEADING TO CONFORMATIONALLY DISTINGUISHABLE ANNULATED NORCARADIENYLCARBINYL CATIONS AND THE QUESTION OF REMOTE P PI (1974) (0)
- Synthesis of (+)-Fomannosin (2008) (0)
- Total Synthesis of Natural (-)-Vulgarolide. A Concise Stereocontrolled Means for Twofold Distal Oxaannulation of a Cyclooctanone Core. (1995) (0)
- TOPOLOGICALLY SPHERICAL MOLECULES. SYNTHESIS OF A PAIR OF C2-SYMMETRIC HEXAQUINANE DILACTONES AND INSIGHTS INTO THEIR CHEMICAL REACTIVITY. AN EFFICIENT Π-MEDIATED 1,6-DICARBONYL REDUCTION (1980) (0)
- Belting of the Cyclooctatetraene Ring Across the Transannular 1- and 5-Positions. (1987) (0)
- A VERSATILE TITANIUM-MEDIATED PROCEDURE FOR DIVERSIFIED BISFUNCITONALIZATION OF Γ-LACTOLS (1983) (0)
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