Herbert C. Brown
American chemist
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Chemistry
Herbert C. Brown's Degrees
- PhD Chemistry University of Chicago
Why Is Herbert C. Brown Influential?
(Suggest an Edit or Addition)According to Wikipedia, Herbert Charles Brown was an American chemist and recipient of the 1979 Nobel Prize in Chemistry for his work with organoboranes. Life and career Brown was born Herbert Brovarnik in London, to Ukrainian Jewish immigrants from Zhitomir, Pearl and Charles Brovarnik, a hardware store manager and carpenter. His family moved to Chicago in June 1914, when he was two years old. Brown attended Crane Junior College in Chicago, where he met Sarah Baylen, whom he would later marry. The college was under threat of closing, and Brown and Baylen transferred to Wright Junior College. In 1935 he left Wright Junior College and that autumn entered the University of Chicago, completed two years of studies in three quarters, and earned a B.S. in 1936. That same year, he became a naturalized United States citizen. On February 6, 1937, Brown married Baylen, the person he credits with making him interested in hydrides of boron, a topic related to the work in which he, together with Georg Wittig, won the Nobel prize in Chemistry in 1979. Two years after starting graduate studies, he earned a Ph.D. in 1938, also from the University of Chicago.
Herbert C. Brown's Published Works
Published Works
- Sodium Borohydride, Its Hydrolysis and its Use as a Reducing Agent and in the Generation of Hydrogen1 (1953) (939)
- Electrophilic Substituent Constants (1958) (905)
- An Extended Table of Hammett Substitutent Constants Based on the Ionization of Substituted Benzoic Acids (1958) (854)
- Asymmetric carbon-carbon bond formation via .beta.-allyldiisopinocampheylborane. Simple synthesis of secondary homoallylic alcohols with excellent enantiomeric purities (1983) (350)
- Forty years of hydride reductions (1979) (328)
- Organic syntheses via boranes (1975) (299)
- Chiral synthesis via organoboranes. 6. Asymmetric allylboration via chiral allyldialkylboranes. Synthesis of homoallylic alcohols with exceptionally high enantiomeric excess (1986) (264)
- Chiral synthesis via organoboranes. 7. Diastereoselective and enantioselective synthesis of erythro- and threo-.beta.-methylhomoallyl alcohols via enantiomeric (Z)- and (E)-crotylboranes. (1986) (259)
- An Interpretation of the Chemical Behavior of Five- and Six-membered Ring Compounds1 (1954) (258)
- Chiral synthesis via organoboranes. 27. Remarkably rapid and exceptionally enantioselective (approaching 100% ee) allylboration of representative aldehydes at -100.degree. under new, salt-free conditions (1991) (243)
- Lithium tri-sec-butylborohydride. New reagent for the reduction of cyclic and bicyclic ketones with super stereoselectivity. Remarkably simple and practical procedure for the conversion of ketones to alcohols in exceptionally high stereochemical purity (1972) (238)
- Enantiomeric Z- and E-crotyldiisopinocampheylboranes. Synthesis in high optical purity of all four possible stereoisomers of .beta.-methylhomoallyl alcohols (1986) (235)
- Chiral synthesis via organoboranes. 14. Selective reductions. 41. Diisopinocampheylchloroborane, an exceptionally efficient chiral reducing agent (1988) (230)
- New, Highly Active Metal Catalysts for the Hydrolysis of Borohydride (1962) (213)
- A SIMPLE PROCEDURE FOR THE CHROMIC ACID OXIDATION OF ALCOHOLS TO KETONES OF HIGH PURITY (1961) (204)
- Organoboranes. 31. A simple preparation of boronic esters from organolithium reagents and selected trialkoxyboranes (1983) (187)
- Catecholborane (1,3,2-benzodioxaorole) as a new, general monohydroboration reagent for alkynes. Convenient synthesis of alkeneboronic esters and acids from alkynes via hydroboration (1972) (186)
- Substituent Constants for Aromatic Substitution1-3 (1957) (184)
- STRUCTURAL EFFECTS I (1977) (182)
- Hydroboration. XXXIX. 1,3,2-Benzodioxaborole (catecholborane) as a new hydroboration reagent for alkenes and alkynes. General synthesis of alkane- and alkeneboronic acids and esters via hydroboration. Directive effects in the hydroboration of alkenes and alkynes with catecholborane (1975) (177)
- Reactions of Diborane with Alkali Metal Hydrides and Their Addition Compounds. New Syntheses of Borohydrides. Sodium and Potassium Borohydrides1 (1953) (172)
- A Quantitative Treatment of Directive Effects in Aromatic Substitution (1963) (172)
- Chiral synthesis via organoboranes. 21. Allyl- and crotylboration of .alpha.-chiral aldehydes with diisopinocampheylboron as the chiral auxiliary (1989) (168)
- A New Powerful Reducing Agent—Sodium Borohydride in the Presence of Aluminum Chloride and Other Polyvalent Metal Halides1,2 (1956) (167)
- The Oxymercuration-Demercuration of Representative Olefins. A Convenient, Mild Procedure for the Markovnikov Hydration of the Carbon-Carbon Double Bond (1967) (167)
- A NEW TECHNIQUE FOR THE CONVERSION OF OLEFINS INTO ORGANOBORANES AND RELATED ALCOHOLS (1956) (165)
- I-Strain as a Factor in the Chemistry of Ring Compounds1,2 (1951) (156)
- Hydroboration. XI. The Hydroboration of Acetylenes—A Convenient Conversion of Internal Acetylenes into cis-Olefins and of Terminal Acetylenes into Aldehydes (1961) (153)
- Oxidation of secondary alcohols in diethyl ether with aqueous chromic acid. Convenient procedure for the preparation of ketones in high epimeric purity (1971) (150)
- Selective Reductions. X. Reaction of Aluminum Hydride with Selected Organic Compounds Containing Representative Functional Groups. Comparison of the Reducing Characteristics of Lithium Aluminum Hydride and Its Derivatives (1966) (149)
- A Study of Solvents for Sodium Borohydride and the Effect of Solvent and the Metal Ion on Borohydride Reductions1 (1955) (148)
- Hydroboration. XXXVI. Direct route to 9-borabicyclo[3.3.1]nonane via the cyclic hydroboration of 1,5-cyclooctadiene. 9-Borabicyclo[3.3.1]nonane as a uniquely selective reagent for the hydroboration of olefins (1974) (144)
- Selective reductions. XVIII. Fast reaction of primary, secondary, and tertiary amides with diborane. Simple, convenient procedure for the conversion of amides to the corresponding amines (1973) (143)
- Hydroboration. IX. The Hydroboration of Cyclic and Bicyclic Olefins—Stereochemistry of the Hydroboration Reaction (1961) (143)
- Studies in Stereochemistry. I. Steric Strains as a Factor in the Relative Stability of Some Coördination Compounds of Boron (1942) (140)
- Hydroboration. III. The Reduction of Organic Compounds by Diborane, an Acid-type Reducing Agent (1960) (140)
- Chiral synthesis via organoboranes. 13. A highly diastereoselective and enantioselective addition of [(Z)-.gamma.-alkoxyallyl]diisopinocampheylboranes to aldehydes (1988) (139)
- Selective reductions. XII. Explorations in some representative applications of aluminum hydride for selective reductions (1968) (139)
- A Quantitative Treatment for Electrophilic Reactions of Aromatic Derivatives1-3 (1957) (137)
- New Developments in the Chemistry of Diborane and the Borohydrides. I. General Summary1 (1953) (136)
- The Nonclassical Ion Problem (1977) (136)
- The Polymerization of Some Derivatives of Trimethylaluminum (1942) (129)
- A New Aldehyde Synthesis—The Reducti[UNK]on of Acid Chlorides by Lithium Tri-t-butoxyaluminohydride1 (1958) (126)
- Preparation and Reactions of 2,6-Di-t-butylpyridine and Related Hindered Bases. A Case of Steric Hindrance toward the Proton1,2 (1966) (125)
- The development of a simple general procedure for synthesis of pure enantiomers via chiral organoboranes (1988) (125)
- Solvomercuration-demercuration. I. Oxymercuration-demercuration of representative olefins in an aqueous system. Mild procedure for the Markovnikov hydration of the carbon-carbon double bond (1970) (125)
- Selective reductions. 26. Lithium triethylborohydride as an exceptionally powerful and selective reducing agent in organic synthesis. Exploration of the reactions with selected organic compounds containing representative functional groups (1980) (122)
- HYDROBORATION AS A CONVENIENT PROCEDURE FOR THE ASYMMETRIC SYNTHESIS OF ALCOHOLS OF HIGH OPTICAL PURITY (1961) (121)
- Organoborane-carbon monoxide reactions. Synthesis of carbon structures (1969) (121)
- Asymmetric reduction with chiral organoboranes based on .alpha.-pinene (1992) (119)
- Solubility of Hydrogen Chloride at Low Temperatures. A Measure of the Basic Properties of Aromatic Nuclei; π- and σ-Complexes and Their Role in Aromatic Substitution1,2 (1952) (119)
- Hydroboration of Terpenes. II. The Hydroboration of α- and β-Pinene-The Absolute Configuration of the Dialkylborane from the Hydroboration of α-Pinene (1964) (119)
- Steric Effects in Displacement Reactions. III. The Base Strengths of Pyridine, 2,6-Lutidine and the Monoalkylpyridines (1955) (118)
- The Reaction of Sodium Borohydride with Nickel Acetate in Aqueous Solution--A Convenient Synthesis of an Active Nickel Hydrogenation Catalyst of Low Isomerizing Tendency (1963) (116)
- The Preparation of Sodium Borohydride by the High Temperature Reaction of Sodium Hydride with Borate Esters1 (1953) (110)
- Selective reductions. 29. A simple technique to achieve an enhanced rate of reduction of representative organic compounds by borane-dimethyl sulfide (1982) (109)
- Chemical effects of steric strains—XIV: The effect of ring size on the rate of reaction of the cyclanones with sodium borohydride (1957) (109)
- Organic Syntheses via Free‐Radical Displacement Reactions of Organoboranes (1972) (108)
- The Effect of Ring Size on the Rate of Solvolysis of the 1-Chloro-1-methylcycloalkanes1,2 (1952) (108)
- Selective reductions. XV. Reaction of diborane in tetrahydrofuran with selected organic compounds containing representative functional groups (1970) (106)
- Studies in Stereochemistry. XXII. The Preparation and Reactions of Trimesitylborane. Evidence for the Non-localized Nature of the Odd Electron in Triarylborane Radical Ions and Related Free Radicals1 (1957) (105)
- A simple, general synthesis of 1-alkynyldiisopropoxyboranes (1988) (105)
- Chemical effects of steric strains (1956) (103)
- The Reaction of Sodium Borohydride with Nickel Acetate in Ethanol Solution--A Highly Selective Nickel Hydrogenation Catalyst (1963) (102)
- Chemical Effects of Steric Strains. I. The Effect of Structure upon the Hydrolysis of Tertiary Aliphatic Chlorides (1949) (102)
- Hydroboration. XXVII. The hydroboration of 1-butenyl and related vinyl derivatives containing representative substituents. An unusually powerful directive influence of the ethoxy substituent (1968) (102)
- Lithium triethylborohydride. Exceptionally powerful nucleophile in displacement reactions with organic halides (1973) (101)
- Lithium trisiamylborohydride. A new sterically hindered reagent for the reduction of cyclic ketones with exceptional stereoselectivity (1976) (101)
- Chlorinations with Sulfuryl Chloride. I. The Peroxide-Catalyzed Chlorination of Hydrocarbons (1939) (100)
- Hydroboration of olefins. A remakably fast room-temperature addition of diborane to olefins (1957) (99)
- Facile reduction of alkyl tosylates with lithium triethylborohydride. An advantageous procedure for the deoxygenation of cyclic and acyclic alcohols (1976) (98)
- Organoboranes. 30. Convenient procedures for the synthesis of alkyl- and alkenylboronic acids and esters (1983) (96)
- The Preparation of Other Borohydrides by Metathetical Reactions Utilizing the Alkali Metal Borohydrides1 (1953) (95)
- Hydroboration. XVIII. The Reaction of Diisopinocampheylborane with Representative cis-Acyclic, Cyclic, and Bicyclic Olefins. A Convenient Systhesis of Optically Active Alcohols and Olefins of High Optical Purity and Established Configuration (1964) (94)
- A Convenient Preparation of Volatile Acid Chlorides (1938) (93)
- The Reaction of Lithium Aluminum Hybride with Alcohols. Lithium Tri-t-butoxyaluminohydride as a New Selective Reducing Agent1,2 (1958) (91)
- Chiral synthesis via organoboranes. 18. Selective reductions. 43. Diisopinocampheylchloroborane as an excellent chiral reducing reagent for the synthesis of halo alcohols of high enantiomeric purity. A highly enantioselective synthesis of both optical isomers of Tomoxetine, Fluoxetine, and Nisoxetin (1988) (91)
- Selective reductions. 30. Effect of cation and solvent on the reactivity of saline borohydrides for reduction of carboxylic esters. Improved procedures for the conversion of esters to alcohols by metal borohydrides (1982) (91)
- Selective reductions. 37. Asymmetric reduction of prochiral ketones with B-(3-pinanyl)-9-borabicyclo[3.3.1]nonane (1985) (90)
- Versatile α-pinene-based borane reagents for asymmetric syntheses (1995) (90)
- REACTION OF ALKENYLBORONIC ACIDS WITH IODINE UNDER THE INFLUENCE OF BASE, A SIMPLE PROCEDURE FOR THE STEREOSPECIFIC CONVERSION OF TERMINAL ALKYNES INTO TRANS-1-ALKENYL IODIDES VIA HYDROBORATION (1973) (89)
- Chiral synthesis via organoboranes. 24. B-allylbis(2-isocaranyl)borane as a superior reagent for the asymmetric allylboration of aldehydes (1990) (89)
- A New Steric Effect in Organic Chemistry. (1946) (89)
- Facile reaction of organoboranes with methyl vinyl ketone. Convenient new ketone synthesis via hydroboration (1967) (88)
- Organoboranes. 53. A high-field variable-temperature proton and boron-11 NMR study of the effects of solvent and structure on reactivity in allylboration (1990) (88)
- Hydroboration. VII. Directive Effects in the Hydroboration of Olefins (1960) (87)
- Acid-Base Studies in Gaseous Systems. II. The Anomalous Base Strength of the Methylamines; A New Manifestation of Steric Strain1,2 (1944) (87)
- Organoboranes : XIX. The preparation and some unusual chemistry of b-allyl derivatives of 9-borabicyclo[3.3.1]Nonane (1977) (86)
- Chiral Oxazaborolidines as Catalysts for the Enantioselective Addition of Diethylzinc to Aldehydes (1989) (86)
- 2,6-DI-BUTYLPYRIDINE—AN UNUSUAL PYRIDINE BASE (1953) (86)
- The Heats of Reaction of Pyridine and Nitrobenzene with Boron Trifluoride, Trichloride and Tribromide; the Relative Acceptor Properties of the Boron Halides1,2 (1956) (85)
- Stereospecific conversion of alkenylboronic acids into alkenyl bromides with inversion of configuration. Striking differences in the stereochemistry of the replacement of the boronic acid substituent by bromine and iodine and its significance in terms of the reaction mechanism (1973) (85)
- A STEREOSPECIFIC CIS HYDRATION OF THE DOUBLE BOND IN CYCLIC DERIVATIVES (1959) (84)
- Asymmetric synthesis of goniothalamin, hexadecanolide, massoia lactone, and parasorbic acid via sequential allylboration–esterification ring-closing metathesis reactions (2000) (84)
- Chiral Synthesis via Organoboranes. 39. A Facile Synthesis of .gamma.-Substituted-.gamma.-butyrolactones in Exceptionally High Enantiomeric Purity (1994) (84)
- The Reaction of Organoboranes with Chloramine and with Hydroxylamine-O-sulfonic Acid. A Convenient Synthesis of Amines from Olefins via Hydroboration (1964) (83)
- Organoboranes. 44. A convenient, highly efficient synthesis of triorganylboranes via a modified organometallic route (1986) (83)
- Selective reductions. 40. A critical examination of the relative effectiveness of various reducing agents for the asymmetric reduction of different classes of ketones (1987) (83)
- The Reaction of Lewis Acids of Boron with Sodium Hydride and Borohydride1 (1958) (83)
- Stability of boronic esters – Structural effects on the relative rates of transesterification of 2-(phenyl)-1,3,2-dioxaborolane ☆ (2007) (81)
- Inhibition of the reaction of organoboranes with .alpha.,.beta.-unsaturated carbonyl derivatives by galvinoxyl. Evidence for a free-radical chain mechanism (1970) (81)
- Chiral synthesis via organoboranes. 38. Selective reductions. 48. Asymmetric reduction of trifluoromethyl ketones by B-chlorodiisopinocampheylborane in high enantiomeric purity (1993) (81)
- Asymmetric syntheses via chiral organoborane reagents (1981) (81)
- Major effect of the leaving group in dialkylboron chlorides and triflates in controlling the stereospecific conversion of ketones into either (E)- or (Z)-enol borinates (1989) (81)
- 1,3,2-Benzodioxaborole, a convenient monofunctional hydroborating agent. Simple new synthesis of alkaneboronic esters and acids from olefins via hydroboration (1971) (80)
- Rates of Reaction of Sodium Borohydride with Bicyclic Ketones. Steric Approach Control and Steric Departure Control in the Reactions of Rigid Bicyclic Systems1,2 (1966) (80)
- THE CHROMIC ACID OXIDATION OF ORGANOBORANES—A CONVENIENT PROCEDURE FOR CONVERTING OLEFINS INTO KETONES via HYDROBORATION (1961) (80)
- The boron approach to asymmetric synthesis (1991) (79)
- Hydrides of Boron. XI. The Reaction of Diborane with Organic Compounds Containing a Carbonyl Group (1939) (79)
- Selective Reductions. IX. Reaction of Lithium Aluminum Hydride with Selected Organic Compounds Containing Representative Functional Groups1 (1966) (79)
- SELECTIVE REDUCTIONS PART 19, THE RAPID REACTION OF CARBOXYLIC ACIDS WITH BORANE-TETRAHYDROFURAN, A REMARKABLY CONVENIENT PROCEDURE FOR THE SELECTIVE CONVERSION OF CARBOXYLIC ACIDS TO THE CORRESPONDING ALCOHOLS IN THE PRESENCE OF OTHER FUNCTIONAL GROUPS (1973) (79)
- Cyclic hydroboration of 1,5-cyclooctadiene. A simple synthesis of 9-borabicyclo[3.3.1]nonane, an unusually stable dialkylborane (1968) (79)
- A CONVENIENT NON-CATALYTIC CONVERSION OF OLEFINIC DERIVATIVES INTO SATURATED COMPOUNDS THROUGH HYDROBORATION AND PROTONOLYSIS (1959) (78)
- Convenient and general synthesis of acetylenes via the reaction of iodine with lithium l-alkynyltriorganoborates (1973) (78)
- Hydroboration—a powerful synthetic tool☆ (1961) (77)
- Enolboration. 1. Dicyclohexylchloroborane/triethylamine as a convenient reagent for enolboration of ketones and other carbonyl derivatives (1992) (77)
- Hydroboration. VIII. Bis-3-methyl-2-butylborane as a Selective Reagent for the Hydroboration of Alkenes and Dienes (1961) (77)
- Hydroboration. 45. New, convenient preparations of representative borane reagents utilizing borane-methyl sulfide (1977) (76)
- Diborane as a Mild Reducing Agent for the Conversion of Primary, Secondary, and Tertiary Amides into the Corresponding Amines (1964) (76)
- Hydroboration. 61. Diisopinocampheylborane of high optical purity. Improved preparation and asymmetric hydroboration of representative cis-disubstituted alkenes (1982) (76)
- A Stereospecific Synthesis of Alicyclic and Bicyclic Amines via Hydroboration (1966) (75)
- Chiral synthesis via organoboranes. 6. Hydroboration. 74. Asymmetric hydroboration of representative heterocyclic olefins with diisopinocampheylborane. Synthesis of heterocyclic boronates and heterocyclic alcohols of very high enantiomeric purity (1986) (75)
- Organoboranes for synthesis - substitution with retention (1987) (73)
- Chiral synthesis via organoboranes. 8. Synthetic utility of boronic esters of essentially 100% optical purity. Synthesis of primary amines of very high enantiomeric purities (1986) (72)
- The energy of the transition states and the intermediate cation in the ionization of 2-norbornyl derivatives. Where is the nonclassical stabilization energy? (1983) (72)
- Selective Reductions. V. The Partial Reduction of Tertiary Amides by Lithium Di- and Triethoxyaluminohydrides-A New Aldehyde Synthesis via the Dimethylamides (1964) (72)
- Selective Reductions. VIII. The Stereochemistry of Reduction of Cyclic and Bicyclic Ketones by the Alkoxy-Substituted Lithium Aluminum Hydrides1 (1965) (71)
- Oxygen-induced reactions of organoboranes with the inert .alpha.,.beta.-unsaturated carbonyl derivatives. Convenient new aldehyde and ketone synthesis via hydroboration (1970) (71)
- Solvomercuration-demercuration of representative olefins in the presence of alcohols. Convenient procedures for the synthesis of ethers (1969) (71)
- Stoichiometrically controlled reaction of organoboranes with oxygen under very mild conditions to achieve essentially quantitative conversion into alcohols (1971) (70)
- Enantioselective ring cleavage of meso-epoxides with B-halodiisopinocampheylboranes. (1988) (69)
- Hydroboration. 50. Hydroboration of representative alkynes with 9-borabicyclo[3.3.1]nonane - a simple synthesis of versatile vinyl bora and gem-dibora intermediates (2002) (68)
- Hydroboration. 55. Hydroboration of alkynes with dibromoborane-dimethyl sulfide. Convenient preparation of alkenyldibromoboranes (1980) (68)
- Facile reaction of alkyl- and aryldichloroboranes with organic azides. General stereospecific synthesis of secondary amines (1973) (68)
- Lithium triethylborohydride as a convenient reagent for the facile reduction of both hindered and bicyclic epoxides prone to electrophilically induced rearrangement (1973) (66)
- Organoboranes. 46. New procedures for the homologation of boronic esters. A critical examination of the available procedures to achieve convenient homologation of boronic esters (1986) (66)
- Hydroboration. V. A Study of Convenient New Preparative Procedures for the Hydroboration of Olefins (1960) (65)
- Improved procedures for the synthesis of diisopinocampheylborane of high optical purity (1984) (65)
- Additions to bicyclic olefins. III. Stereochemistry of the epoxidation of norbornene, 7,7-dimethylnorbornene, and related bicyclic olefins. Steric effects in the 7,7-dimethylnorbornyl system (1970) (65)
- A Convenient Synthesis of the Monoalkylpyridines; a New Prototropic Reaction of 3-Picoline1,2 (1951) (65)
- CHAPTER 14 – Dissociation Constants (1955) (65)
- Acid-Base Studies in Gaseous Systems. VII. Dissociation of the Addition Compounds of Trimethylboron and Cyclic Imines; I-Strain (1950) (64)
- Improved highly efficient synthesis of α,β-acetylenic ketones. Nature of the intermediate from the reaction of lithium acetylide with boron trifluoride etherate (1984) (64)
- The Effect of Ring Size on the Rate of Acetolysis of the Cycloalkyl p-Toluene and p-Bromobenzenesulfonates1 (1956) (63)
- Chiral Synthesis via Organoboranes. 40. Selective Reductions. 55. A Simple One-Pot Synthesis of the Enantiomers of Trifluoromethyloxirane. A General Synthesis in High Optical Purities of .alpha.-Trifluoromethyl Secondary Alcohols via the Ring-Cleavage Reactions of the Epoxide (1995) (63)
- Hydroboration of terpenes. 9. A simple improved procedure for upgrading the optical purity of commercially available .alpha.- and .beta.-pinenes. Conversion of (+)-.alpha.-pinene to (+)-.beta.-pinene via hydroboration-isomerization (1988) (63)
- Organoboranes. 48. Improved procedures for the preparation of boronic and borinic esters (1986) (63)
- Addition Compounds of Alkali Metal Hydrides. Sodium Trimethoxyborohydride and Related Compounds1 (1953) (63)
- Selective reductions. 22. Facile reduction of .alpha.,.beta.-unsaturated aldehydes and ketones with 9-borabicyclo[3.3.1]nonane. A remarkably convenient procedure for the selective conversion of conjugated aldehydes and ketones to the corresponding allylic alcohols in the presence of other functional (1977) (61)
- Compounds with Boron at the Bridgehead—A Study of the Steric Consequences of Planar Boron1 (1951) (61)
- Base-induced reaction of organoboranes with bromine. Convenient procedure for the anti-Markovnikov hydrobromination of terminal olefins via hydroboration-bromination (1970) (61)
- Procedures for the Preparation of Methyl Borate1 (1953) (61)
- Chiral synthesis via organoboranes. 15. Selective reductions. 42. Asymmetric reduction of representative prochiral ketones with potassium 9-O-(1,2:5,6-di-O-isopropylidene-.alpha.-D-glucofuranosyl)-9-boratabicyclo[3.3.1]nonane (1988) (60)
- Chiral synthesis via organoboranes. 30. Facile synthesis, by the Matteson asymmetric homologation procedure, of .alpha.-methyl boronic acids not available from asymmetric hydroboration and their conversion into the corresponding aldehydes, ketones, carboxylic acids, and amines of high enantiomeric p (1991) (60)
- A fast reaction of organoboranes with iodine under the influence of base. A convenient procedure for the conversion of terminal olefins into primary iodides via hydroboration-iodination (1968) (60)
- LITHIUM TRI-t-BUTOXYALUMINOHYDRIDE-A NEW REAGENT FOR CONVERTING ACID CHLORIDES TO ALDEHYDES (1956) (60)
- Selective Reductions. I. The Partial Reduction of Tertiary Amides with Lithium Aluminum Hydride. A New Aldehyde Synthesis via the 1-Acylaziridines1,2 (1961) (60)
- Selective reductions. XXI. 9-Borabicyclo[3.3.1]nonane in tetrahydrofuran as a new selective reducing agent in organic synthesis. Reaction with selected organic compounds containing representative functional groups (1976) (60)
- [(E)-.gamma.-(1,3,2-Dioxaborinanyl)allyl]diisopinocampheylborane, an Exceptional Reagent for the Stereo- and Enantioselective Synthesis of anti- 1-Alkene-3,4-diols via a Masked .alpha.-Hydroxyallylboration (1995) (59)
- Vinylic organoboranes. 13. A convenient stereospecific synthesis of (Z)-1-halo-1-alkenes from 1-alkynes via (E)-1-alkenylborane derivatives with halogens (1989) (59)
- Hydroboration. XVI. The Hydroboration of Olefins, Acetylenes and Dienes with Thexylborane (1963) (59)
- Hydroboration. II. A Remarkably Fast Addition of Diborane to Olefins—Scope and Stoichiometry of the Reaction (1959) (59)
- Structural Effects in Solvolytic Reactions. I. The Role of Equilibrating Cations in Carbonium Ion Chemistry. Nature of the Intermediates Involved in the Solvolysis of Symmetrically Substituted β-Phenylethyl Derivatives1 (1965) (58)
- Chiral synthesis via organoboranes. 34. Selective reductions. 47. Asymmetric reduction of hindered .alpha.,.beta.-acetylenic ketones with B-chlorodiisopinocampheylborane to propargylic alcohols of very high enantiomeric excess. Improved workup procedure for the isolation of product alcohols (1992) (58)
- An Interpretation of Meta Orientation in the Alkylation of Toluene. The Relative Reactivity and Isomer Distribution in the Chloromethylation and Mercuration of Benzene and Toluene1,2 (1953) (58)
- Conjugate addition of B-1-alkynyl-9-borabicyclo[3.3.1]-nonanes to .alpha.,.beta.-unsaturated ketones. A convenient synthesis of .gamma.,.delta.-acetylenic ketones (1977) (58)
- Hydroboration. IV. A Study of the Relative Reactivities of Representative Functional Groups toward Diborane (1960) (58)
- Steric Effects in Displacement Reactions. II. The Rates of Reaction of Alkyl Iodide s with the Monoalkylpyridines. Steric Strain in the Activated Complex (1955) (57)
- Hydroboration. XL. Hydroboration of alkenes and alkynes with monochloroborane etherates. Convenient procedures for the preparation of dialkyl-, monoalkyl-, and dialkenylchloroboranes and their derivatives (1976) (57)
- Facile reaction of organoboranes with acrolein. Convenient new aldehyde synthesis via hydroboration (1967) (56)
- Hydroboration. I. The Reaction of Olefins with Sodium Borohydride-Aluminum Chloride. A Convenient Route to Organoboranes and the Anti-Markownikoff Hydration of Olefins (1959) (56)
- Selective Reductions. IV. The Partial Reduction of Nitriles with Lithium Triethoxyaluminohydride-A Convenient Aldehyde Synthesis (1964) (56)
- Chemical effects of steric strains—XIII: Kinetics of the reaction of sodium borohydride with carbonyl groups—a convenient tool for investigating the reactivities of aldehydes and ketones☆ (1957) (56)
- The Base Strengths and Ultraviolet Absorption Spectra of the 2- and 3-Monohalopyridines1,2 (1955) (56)
- THE HYDROBORATION OF ACETYLENES—A CONVENIENT CONVERSION OF INTERNAL ACETYLENES TO CIS OLEFINS OF HIGH PURITY AND OF TERMINAL ACETYLENES TO ALDEHYDES (1959) (56)
- Additions to bicyclic olefins. V. Effect of 7,7-dimethyl substituents on the stereochemistry and rates of cyclic additions to norbornenes (1973) (55)
- Hydroboration. 68. Chiral synthesis via organoboranes. 1. A simple procedure to achieve products of essentially 100% optical purity in hydroboration of alkenes with monoisopinocampheylborane. Synthesis of boronic esters and derived products of very high enantiomeric purities (1984) (55)
- Consistent inversion in the base-induced reaction of iodine with organoboranes. A convenient procedure for the synthesis of optically active iodides (1976) (55)
- Selective reductions. XIII. Reaction of 2-cyclopentenones with representative complex hydrides. Aluminum hydride as a selective reagent for the reduction of the carbonyl group in 2-cyclopentenones (1969) (55)
- Hydroboration. 57. Hydroboration with 9-borabicyclo[3.3.1]nonane of alkenes containing representative functional groups (1981) (55)
- Hydroboration. XII. The Hydroboration of Dienes with Diborane (1962) (54)
- Selective Reductions. III. Further Studies of the Reaction of Alcohols with Lithium Aluminum Hydride as a Route to the Lithium Alkoxyaluminohydrides (1964) (54)
- Hydroboration. 62. Monoisopinocampheylborane; an excellent chiral hydroborating agent for trans-disubstituted and trisubstituted alkenes. Evidence for a strong steric dependence in such asymmetric hydroborations (1982) (53)
- Hydroboration of Terpenes. IV. Hydroboration of (+)-3-Carene ([UNK]3-Carene). Configuration Assignments for the 4-Caranols and 4-Caranones. An Unusual Stability of 4-Isocaranone with a cis Relationship of the Methyl and gem-Dimethyl Groups (1967) (53)
- Lithium .beta.-isopinocamphenyl-9-borabicyclo[3.3.1]nonyl hydride. A new reagent for the asymmetric reduction of ketones with remarkable consistency (1977) (53)
- Strained Homomorphs.1 14. General Summary. (1953) (53)
- Organoboranes for syntheses (1986) (53)
- Hydroboration. 51. Hydroboration of representative allenes with 9-borabicyclo[3.3.1]nonane. An exceptional directive effect providing a direct synthesis of B-allyl-9-borabicyclo[3.3.1]nonane derivatives (1979) (52)
- Organoboranes. 37. Synthesis and properties of (Z)-1-alkenylboronic esters (1984) (52)
- Efficient general asymmetric syntheses of 3-substituted 1(3H)-isobenzofuranones in very high enantiomeric excess (1996) (52)
- Enolboration. 4. An examination of the effect of the leaving group (X) on the stereoselective enolboration of ketones with various R2BX/triethylamine. New reagents for the selective generation of either Z or E enol borinates from representative ketones (1993) (52)
- HYDROBORATION. 52. MONOHALOBORANE-METHYL SULFIDE ADDUCTS AS NEW REAGENTS FOR THE HYDROBORATION OF ALKENES. A CONVENIENT SYNTHESIS OF DIALKYLHALOBORANES AND THEIR DERIVATIVES FOR ORGANIC SYNTHESIS (1979) (52)
- Catalytic Hydrogenation. II. A New, Convenient Technique for Laboratory Hydrogenations. A Simple, Automatic Device for Atmospheric Pressure Hydrogenations (1966) (52)
- Organoboranes : XVII. Reaction of organometallics with dialkylborane derivatives: The synthesis of mixed organoboranes not available via hydroboration (1974) (52)
- Studies in Stereochemistry. II. Steric Strains as a Factor in the Relative Stability of Some Etherates of Boron Fluoride (1942) (52)
- Rates of Solvolysis of the Alkylphenyldimethylcarbinyl Chlorides. Evidence for the Importance of Carbon-to-Carbon Hyperconjugative Contributions in Alkyl Groups1,2 (1957) (51)
- Selective reductions. XIV. Fast reaction of aryl bromides and iodides with lithium aluminum hydride in tetrahydrofuran. Simple convenient procedure for the hydrogenolysis of aryl bromides and iodides (1969) (51)
- An Efficient Synthesis of N-Unsubstituted Imines as Organoborane Adducts Stable at Room Temperature: New Promising Intermediates for Synthesis (2000) (51)
- Critical Role of Catalysts and Boranes for Controlling the Regioselectivity in the Rhodium-Catalyzed Hydroboration of Fluoroolefins (1999) (51)
- Organoboranes for syntheses (1986) (51)
- Communications - Selective Conversion of Olefins into Organoboranes Through Competitive Hydroboration, Isomerization and Displacement Reactions (1957) (51)
- .beta.-Allyldiisopinocampheylborane: a remarkable reagent for the diastereoselective allylboration of .alpha.-substituted chiral aldehydes (1987) (50)
- Reaction of 2-alkenyl-1,3,2-benzodioxaboroles with mercuric acetate. Convenient stereospecific procedure for the conversion of alkynes into alkenylmercuric salts (1972) (50)
- The Influence of Solvent and Metal Ion on the Rate of Reaction of Alkali Metal Borohydrides with Acetone1 (1961) (50)
- Diisopinocampheylchloroborane, a remarkably efficient chiral reducing agent for aromatic prochiral ketones (1985) (50)
- The borohydride-catalyzed reaction of diborane with epoxides. The anti-Markovnikov opening of trisubstituted epoxides (1968) (50)
- Selective Reductions. VII. Reaction of Lithium Trimethoxyaluminohydride with Selected Organic Compounds Containing Representative Functional Groups1 (1965) (50)
- Efficient Synthesis of Enantiomerically Pure C2-Symmetric Diols via the Allylboration of Appropriate Dialdehydes (1997) (50)
- Selective Reductions. XI. The Reaction of Sodium Borohydride with Alkyl Halides under Solvolytic Conditions. Borohydride as a Convenient Trap for Carbonium Ions1,2 (1966) (49)
- Molecular Addition Compounds. 9. Effect of Structure on the Reactivities of Representative Borane-Amine Complexes in Typical Reactions Such as Hydrolysis, Hydroboration, and Reduction, (1984) (49)
- Reaction of representative organic azides with triethylborane. New route to secondary amines (1971) (49)
- Hydroboration. XXVI. The hydroboration of 2-butenyl (crotyl) and related derivatives containing representative substituents. Control of the elimination reaction of .beta.-substituted organoboranes (1968) (49)
- Chiral synthesis via organoboranes. 9. Crystalline chelates from borinic and boronic esters. A simple procedure for upgrading borinates and boronates to materials approaching 100% optical purity (1986) (48)
- A Quantitative Approach to the Ortho Effects of Halogen Substituents in Aromatic Systems1,2 (1955) (48)
- The Action of the Catalyst Couple Aluminum Chloride—Hydrogen Chloride on Toluene at Low Temperatures; the Nature of Friedel—Crafts Complexes1,2 (1952) (48)
- Base-induced reaction of borinic acid esters with .alpha.,.alpha.-dichloromethyl methyl ether. New route to ketones via hydroboration (1973) (48)
- Studies in Stereochemistry. V. The Effect of F-Strain on the Relative Base Strengths of Ammonia and Trimethylamine1 (1945) (48)
- Addition compounds of alkali-metal hydrides. 25. Rapid reaction of boronic esters and acids with lithium aluminum hydride. A novel and quantitative synthesis of lithium monoorganylborohydrides (1984) (48)
- Synthesis of B-cyclopropyl- and B-cyclobutylbicyclo[3.3.1]nonane via ring closure of boron intermediates. A convenient entry into cyclopropyl and cyclobutyl derivatives via hydroboration (1969) (48)
- SYNTHESIS OF UNSYMMETRICAL CONJUGATED DIYNES VIA THE REACTION OF LITHIUM DIALKYNYLDIALKYLBORATES WITH IODINE (1976) (48)
- An asymmetric synthesis of the diastereomeric 1-(2-cyclohexenyl)-1-alkanols in high optical purity via a stereochemically stable allylic borane, B-2-cyclohexen-1-yldiisopinocampheylborane (1985) (48)
- Hydroboration of Terpenes. III. Isomerization of (+)-3-Carene to (+)-2-Carene. Hydroboration of (+)-2-Carene ([UNK]4-Carene). Nuclear Magnetic Resonance Spectra with Absolute Configurational and Conformational Assignments for the 2-Caranols and 2-Caranones (1967) (47)
- Vinylic organoboranes. 7. Stereoselective synthesis of (E)-(1-substituted-1-alkenyl)boronic esters by the nucleophilic substitution of (Z)-(1-bromo-1-alkenyl)boronic esters with organolithium or Grignard reagents. Isolation and oxidation to ketones (1986) (47)
- Chlorinations with Sulfuryl Chloride. III. (a) The Peroxide-Catalyzed Chlorination of Aliphatic Acids and Acid Chlorides. (b) The Photochemical Sulfonation of Aliphatic Acids (1940) (47)
- 9-Borabicyclo[3.3.1]nonane as a convenient selective hydroborating agent (1968) (47)
- Selective Reductions. 59. Effective Intramolecular Asymmetric Reductions of α-, β-, and γ-Keto Acids with Diisopinocampheylborane and Intermolecular Asymmetric Reductions of the Corresponding Esters with B-Chlorodiisopinocampheylborane (2002) (46)
- Chiral synthesis via organoboranes. 36. Exceptionally enantioselective allylborations of representative heterocyclic aldehydes at -100 .degree.C under salt-free conditions (1992) (46)
- Reaction of organoboranes with bromoacetone under the influence of potassium 2,6-Di-tert-butylphenoxide. A convenient procedure for the conversion of olefins into methyl ketones via hydroboration (1969) (46)
- Hydroboration. XLI. Hydroboration of alkenes and alkynes with dichloroborane etherates. Convenient procedures for the preparation of alkyl- and alkenyldichloroboranes and their derivatives (1976) (46)
- THE REACTION OF TRIALKYLBORANES WITH ALKALINE SILVER NITRATE—A NEW GENERAL COUPLING REACTION (1961) (46)
- Reaction of organoboranes with ethyl bromoacetate under the influence of potassium tert-butoxide. A convenient procedure for the conversion of olefins into esters via hydroboration (1968) (46)
- A Simple Preparation of Highly Active Platinum Metal Catalysts for Catalytic Hydrogenation (1962) (46)
- A Convenient Procedure for the Quantitative Conversion of Reactive Alcohols and Olefins into the Corresponding Chlorides (1966) (45)
- Remarkable optical induction in the reduction of .alpha.-oxo esters with B-(3-pinanyl)-9-borabicyclo[3.3.1]nonane. Synthesis of .alpha.-hydroxy esters of 100% optical purity (1984) (45)
- A New Convenient Technique for the Hydrogenation of Unsaturated Compounds (1962) (45)
- Hydroboration. 46. The regio- and stereochemistry of the hydroboration of representative cyclic olefins with 9-borabicyclo[3.3.1]nonane (1977) (45)
- Thexylborane-A Highly Versatile Reagent for Organic Synthesis via Hydroboration (1974) (45)
- Hydroboration. 71. Hydroboration of representative heterocyclic olefins with borane-methyl sulfide, 9-borabicyclo[3.3.1]nonane, dicyclohexylborane, and disiamylborane. Synthesis of heterocyclic alcohols (1985) (44)
- Hydroboration. 44. Diisopinocampheylborane of High Optical Purity. Asymmetric Synthesis via Hydroboration with Essentially Complete Asymmetric Induction (1976) (44)
- Chiral synthesis via organoboranes. XVI: Boroxazolidones derived from α-amino acids and borinic or boronic esters. A simple procedure for upgrading borinates and boronates to materials of high optical purity (1988) (44)
- Hydroboration. XV. The Influence of Structure on the Relative Rates of Hydroboration of Representative Unsaturated Hydrocarbons with Diborane and with Bis-(3-methyl-2-butyl)-borane (1963) (44)
- The dimesitylboron group in organic chemistry. 6 Hydroborations with dimesitylborane. (1983) (44)
- Reaction of B-alkyl-9-borabicyclo[3.3.1]nonanes with carbon monoxide in the presence of lithium trimethoxyaluminohydride. A convenient procedure for the conversion of olefins into aldehydes via hydroboration (1969) (44)
- Trifluoroacetic Acid as a Medium for Electrophilic Substitution Reactions. Rates and Isomer Distributions for the Bromination, Nitration, and Mercuration of Benzene and Toluene in Trifluoroacetic Acid1-3 (1966) (43)
- Hydroboration. XXIV. Directive Effects in the Hydroboration of Some Substituted Styrenes1 (1966) (43)
- Hydroboration. 56. Convenient and regiospecific route to functionalized organosilanes through the hydroboration of alkenylsilanes (1980) (43)
- The Critical Importance of Water in the Asymmetric Allylboration of N-Trimethylsilylbenzaldimines with B-Allyldiisopinocampheylborane. (1999) (43)
- Conjugate addition of B-alkenyl-9-borabicyclo[3.3.1]nonanes to methyl vinyl ketone. A convenient synthesis of .gamma.,.delta.-unsaturated ketones (1976) (42)
- Chiral synthesis VIA organoboranes. 26. An efficient synthesis of isoprenyl derivatives of borane - valuable reagents for the isoprenylboration of aldehydes. A convenient route to both enantiomers of ipsenol and ipsdienol in high optical purity (1990) (42)
- Chiral synthesis via organoboranes. 10. Preparation of .alpha.-chiral acyclic ketones of exceptionally high enantiomeric excess from optically pure borinic esters (1987) (42)
- New four-carbon-atom homologation involving the free-radical chain reaction of 1,3-butadiene monoxide with organoboranes. Synthesis of 4-alkyl-2-buten-1-ols from olefins via hydroboration (1971) (42)
- Vinylic organoboranes. 12. Synthesis of (Z)-1-halo-1-alkenes via hydroboration of 1-halo-1-alkynes followed by protonolysis (1989) (42)
- Hydroboration. 54. New general synthesis of alkyldihaloboranes via hydroboration of alkenes with dihaloborane-dimethyl sulfide complexes. Unusual trends in the reactivities and directive effects (1980) (42)
- Carboxylation.1 I. The Photochemical and Peroxide-catalyzed Reactions of Oxalyl Chloride with Paraffin Hydrocarbons2 (1942) (42)
- Acyl peroxide and photochemical induced reactions of organoboranes with the inert .alpha.,.beta.-unsaturated carbonyl derivatives (1970) (42)
- Remarkably large solvolytic rate enhancement due to relief of ground state leaving group strain (1974) (42)
- The Liquid Phase Photochlorination and Sulfuryl Chloride Chlorination of Branchedchain Hydrocarbons; the Effect of Structure on the Relative Reactivities of Tertiary Hydrogen in Free Radical Chlorinations1,2 (1955) (41)
- Selective reductions. XVII. Reaction of thexylborane in tetrahydrofuran with selected organic compounds containing representative functional groups. Comparison of the reducing characteristics of diborane and its alkyl derivatives (1972) (41)
- Oxygen-induced reactions of organoboranes with acetylacetylene. Convenient new synthesis of .alpha.,.beta.-unsaturated ketones via hydroboration (1970) (41)
- Hydroboration. XXII. The Reaction of Unsaturated Esters with Diborane and Disiamylborane (1964) (41)
- Structural effects in solvolytic reactions. III. Nature of the intermediate involved in the solvolysis of 3-aryl-2,3-dimethyl-2-butyl derivatives (1968) (41)
- Fast base-induced reaction of .alpha.,.alpha.-dichloromethyl ether with organoboranes. New general route from organoboranes to the corresponding carbon structures (1973) (41)
- Chiral synthesis via organoboranes. 28. Reaction of .alpha.-chiral organyldichloroboranes with organyl azides providing a synthesis of secondary amines with exceptionally high enantiomeric purities (1991) (41)
- Steric Inhibition of the Interaction of a Cyclopropyl Substituent with the Electron-Deficient Center in the Solvolysis of t-Cumyl Derivatives (1966) (41)
- Reaction of organoboranes with .alpha.-bromo ketones under the influence of potassium tert-butoxide in tetrahydrofuran. A new technique for the .alpha.-alkylation of ketones (1968) (40)
- Selective reductions. 24. Acyloxyboranes in the controlled reaction of carboxylic acids with borane-tetrahydrofuran. Acyloxyboranes as intermediates in the fast reduction of carboxylic acids by borane-tetrahydrofuran (1977) (40)
- Highly efficient asymmetric reduction of .alpha.-tertiary alkyl ketones with diisopinocampheylchloroborane (1986) (40)
- Boraheterocycles via cyclic hydroboration (1977) (40)
- The Reaction of 7-Norbornadienyl and 7-Dehydronorbornyl Derivatives with Borohydride under Solvolytic Conditions--Evidence for the Tricyclic Nature of the Corresponding Cations (1963) (40)
- Relative Rates of Bromination of Benzene and the Methylbenzenes. Partial Rate Factors for the Bromination Reaction1-3 (1957) (40)
- Selective reductions. 27. Reaction of alkyl halides with representative complex metal hydrides and metal hydrides. Comparison of various hydride reducing agents (1980) (40)
- The Preparation of Sodium Triisopropoxyborohydride and Tri-t-butoxyborohydride. The Effect of Alkoxy Substituents on the Reducing Properties of Borohydride Ion1,2 (1956) (40)
- Organoboranes for synthesis : Reaction of organoboranes with representative organic azides. A general stereospecific synthesis of secondary amines and N-substituted aziridines☆☆☆ (1987) (40)
- Hydroboration. 42. Cyclic hydroboration of representative acyclic .alpha.,.omega.-dienes with monochloroborane etherate (1976) (40)
- Molecular addition compounds. 3. Redistribution of borane-methyl sulfide with boron trichloride-methyl sulfide and boron tribromide-methyl sulfide as convenient routes to the corresponding haloborane-methyl sulfides (1977) (40)
- Rates of Chlorination of Benzene, Toluene and the Xylenes. Partial Rate Factors for the Chlorination Reaction1,2,3 (1957) (40)
- B-Allyldiisocaranylborane: a new, remarkable enantioselective allylborating agent for prochiral aldehydes. Synthesis of homoallylic alcohols approaching 100% enantiomeric purities (1984) (39)
- Dissociation of the Addition Compound of Trimethylboron with Quinuclidine; Further Evidence for the Steric Configuration of Triethylamine1 (1948) (39)
- Exceptionally facile reduction of acyclic and alicyclic carboxylic acids to aldehydes by thexylchloroborane-dimethyl sulfide (1984) (39)
- Reaction of carbon monoxide at atmospheric pressure with trialkylboranes. Synthesis of trialkylcarbinols via hydroboration (1967) (39)
- Addition compounds of alkali metal hydrides : XVIII. Reaction of trialkylboranes with t-butyllithium. A general, convenient method for the preparation of lithium trialkylborohydrides (1980) (39)
- Selective reductions. 53. Asymmetric reduction of α-fluoromethyl ketones with B-chlorodiisopinocampheylborane and B-isopinocampheyl-9-borabicyclo[3.3.1]nonane. Combined electronic and steric contributions to the enantiocontrol process (1994) (39)
- Hydroboration. XIX. The Reaction of Dissopinocampheylborane with Representative trans andHindered Olefins. Triisopinocampheyldiborane as a Reagent for the Configurational Assignment of Alcohols and Olefins via Hydroboration (1964) (39)
- Organoboranes. X. Fast reaction of organoboranes with mercuric acetate. Convenient procedure for the conversion of terminal olefins into alkylmercuric salts via hydroboration-mercuration (1970) (39)
- Additions to bicyclic olefins. IV. Facile reduction of labile epoxides of bicyclic olefins by lithium in ethylenediamine (1970) (39)
- Steric Effects in Displacement Reactions. XII. Linear Strain Energy Relationships Involving Reactants of Large Steric Requirements. Steric Strains in the Transition State1 (1956) (39)
- 9-Borabicyclo[3.3.1]nonane as a highly selective reducing agent for the facile conversion of .alpha.,.beta.-unsaturated aldehydes and ketones to the corresponding allylic alcohols in the presence of other functional groups (1975) (39)
- Structural Effects in Solvolytic Reactions. II. Nature of the Intermediates Involved in the Solvolysis of Symmetrically Substituted β-Anisylethyl Derivatives (1967) (39)
- Studies in Stereochemistry. XIV. Reaction of Triethylamine and Quinuclidine with Alkyl Halides; Steric Effects in Displacement Reactions (1949) (38)
- Facile photochemical or oxygen initiated free-radical chain reactions of trialkylboranes with organic disulfides. Convenient new synthesis of organic sulfides via hydroboration (1971) (38)
- Product-rate correlation in acetolysis of threo-3-aryl-2-butyl brosylates. Supporting evidence for the existence of two discrete pathways (1970) (38)
- An efficient preparation of optically pure C2-symmetric aromatic diols by the asymmetric reduction of diacylaromatic compounds with B-chlorodiisopinocampheylborane☆ (1996) (38)
- Chiral Synthesis via Organoboranes. 44. Racemic and Diastereo- and Enantioselective Homoallenylboration Using Dialkyl 2,3-Butadien-1-ylboronate Reagents. Another Novel Application of the Tandem Homologation−Allylboration Strategy (1996) (38)
- 3,3-Dimethylallyldiisopinocampheylborane: a novel reagent for chiral isoprenylation of aldehydes. Synthesis of (+)- and (−)-artemisia alcohol in exceptionally high enantiomeric purity (1984) (38)
- Organoboranes. III. Isomerization of Organoboranes Derived from the Hydroboration of Acyclic Olefins (1966) (38)
- Solvomercuration-demercuration of representative olefins in the presence of acetonitrile. Convenient procedure for the synthesis of amines (1969) (38)
- Chiral synthesis via organoboranes. 35. Simple procedures for the efficient recycling of the terpenyl chiral auxiliaries and convenient isolation of the homoallylic alcohols in asymmetric allyl- and crotylboration of aldehydes (1992) (38)
- Secondary Isotope Effects in the Reactions of Methyl-d3-pyridines with Alkyl Iodides. Evidence for a Smaller Steric Requirement of the Methyl-d3 over the Methyl-d0 Group1,2 (1966) (38)
- A simple conversion of [E]- into the isomeric [Z]-2-(1-substituted-1-alkenyl)-1,3,2-dioxaborinanes, providing a convenient stereospecific synthesis of both [E]- and [Z]-1,2-disubstituted vinyl bromides (1988) (37)
- Organoboranes : XVIII. Reaction of lithium alkynes with methyl dialkylborinates: The synthesis of B-1-alkynyldialkylboranes (1977) (37)
- LITHIUM DIETHOXYALUMINOHYDRIDE AS A SELECTIVE REDUCING AGENT—THE REDUCTION OF DIMETHYLAMIDES TO ALDEHYDES (1959) (37)
- Chiral synthesis via organoboranes. 22. Selective reductions. 44. The effect of the steric requirements of the alkyl substituent in isopinocampheylalkylchloroboranes for the asymmetric reduction of representative ketones (1989) (37)
- Reaction of alkenylboronic acids with iodine under the influence of base. Simple procedure for the stereospecific conversion of terminal alkynes into trans-1-alkenyl iodides via hydroboration (1973) (37)
- Selective reductions. 28. The fast reaction of lithium aluminum hydride with alkyl halides in tetrahydrofuran. A reappraisal of the scope of the reaction (1982) (37)
- Hydroboration. XIII. The Hydroboration of Dienes with Disiamylborane. A Convenient Procedure for the Conversion of Selected Dienes into Unsaturated Alcohols (1962) (37)
- Markovnikov Hydroboration of Perfluoroalkylethylenes. (1999) (37)
- Steric Strains as a Factor in the Solvolytic Reactions of Neopentyldimethyl and Dineopentylmethylcarbinyl Chlorides1,2 (1953) (37)
- Explorations in the nonclassical ion area (1976) (36)
- Kinetics of the Reaction of Representative Benzyl Halides with Aromatic Compounds; Evidence for a Displacement Mechanism in the Friedel—Crafts Reactions of Primary Halides1,2 (1953) (36)
- A new convenient approach to the preparation of Z-1-alkenylboronates by the cis-Hydrogenation of 1-Alkynyldiisopropoxyboranes (1988) (36)
- Vinylic organoboranes. 2. Improved procedures for the protonolysis of alkenyldialkylboranes providing a simplified stereospecific synthesis of (Z)-alkenes (1986) (36)
- Reaction of dialkylchloroboranes with ethyl diazoacetate at low temperatures. Facile two-carbon homologation under exceptionally mild conditions (1972) (36)
- Facile reaction of B-alkylboracyclanes with .alpha.,.beta.-unsaturated carbonyl derivatives. Extension of the 1,4-addition reaction via organoboranes to highly branched secondary and tertiary alkyl groups (1971) (36)
- Stereospecific synthesis of symmetrical conjugated dienes with alkenylcopper intermediates from alkenyldialkylboranes (1980) (36)
- Chlorinations with Sulfuryl Chloride. II. The Peroxide-Catalyzed Reaction of Sulfuryl Chloride with Ethylenic Compounds (1939) (36)
- Organoboranes for synthesis. 7. An improved general synthesis of primary amines from alkenes via hydroboration-organoborane chemistry (1987) (36)
- Hydroboration. XXIII. Directive Effects in the Hydroboration of Representative Allyl Derivatives. The Elimination Reaction of β-Substituted Organoboranes (1964) (35)
- Recent advances in the boron route to asymmetric synthesis (1994) (35)
- Organoboranes. II. The Preparation and Properties of Alkyldiboranes Containing Bulky Alkyl Substituents (1962) (35)
- Selective reductions. 39. Partial reduction of carboxylic acids with thexylchloroborane-methyl sulfide. A direct and simple aldehyde synthesis (1987) (35)
- Facile reaction of dialkylchloroboranes with organic azides. Remarkable enhancement of reactivity relative to trialkylboranes (1972) (35)
- Thexylborane as a convenient reagent for the cyclic hydroboration of dienes. Stereospecific syntheses via cyclic hydroboration (1967) (35)
- Organoboranes. 23. Reaction of organolithium and Grignard reagents with .alpha.-bromoalkylboronate esters. A convenient, essentially quantitative procedure for the synthesis of tertiary alkyl-, benzyl-, propargyl-, and stereospecific allylboranes (1977) (35)
- A Grignard-like addition of B-alkenyl-9-borabicyclo[3.3.1]nonanes to aldehydes. A novel synthesis of allylic alcohols with defined stereochemistry (1977) (35)
- The Isomerization of o- and p-Xylenes and Some Related Alkylbenzenes Under the Influence of Hydrogen Bromide and Aluminum Bromide; the Relative Isomerization Aptitudes of Alkyl Groups1,2 (1955) (35)
- Organoboranes : XIII. The mercuration of vinylboranes. A convenient stereospecific procedure for the conversion of acetylenes into vinylmercury salts via hydroboration-mercuration (1972) (35)
- Hydroboration. X. Rates of Reaction of Bis-3-methyl-2-butylborane with Representative Cycloalkenes and Isomeric cis-trans Alkenes (1961) (35)
- Convenient Procedure for the Conversion of Sodium Borohydride into Lithium Borohydride in Simple Ether Solvents (1981) (35)
- Selective Reductions. VI. The Reaction of Lithium Tri-t-butoxyaluminohydride with Phenolic Esters. A New Aldehyde Synthesis1 (1966) (35)
- Hydroboration. 43. Effect of structure on the reactivity of representative olefins toward hydroboration by 9-borabicyclo[3.3.1]nonane (1976) (35)
- Simple synthesis of monoisopinocampheylborane of high optical purity (1978) (35)
- Addition compounds of alkali metal hydrides. 15. Steric effects in the reaction of representative trialkylboranes with lithium and sodium hydrides to form the corresponding trialkylborohydrides (1978) (35)
- Hydroboration. XIV. Rates and Stoichiometry of the Hydroboration of Some Representative Hindered Olefins (1962) (35)
- Organoboranes - The Modern Miracle (1976) (34)
- Enolboration. 6. Dicyclohexyliodoborane, a Versatile Reagent for the Stereoselective Synthesis of Either Z or E Enolates from Representative Esters (1994) (34)
- A Remarkable Stereoselectivity in the Oxymercuration-Demercuration of Norbornene, 7,7-Dimethylnorbornene, and Related Derivatives (1967) (34)
- Ultrasonics in organoborane chemistry. A novel and powerful method for rapid hydroboration (1985) (34)
- Disproportionation of the Alkylbenzenes under the Influence of Hydrogen Bromide and Aluminum Bromide; the Nature of the Transition State in Disproportionation Reactions1,2 (1956) (33)
- Chiral synthesis via organoboranes. 3. Conversion of boronic esters of essentially 100% optical purity to aldehydes, acids, and homologated alcohols of very high enantiomeric purities (1985) (33)
- Reaction of Sodium Borohydride with Platinum Metal Salts in the Presence of Decolorizing Carbon-A Supported Platinum Catalyst of Markedly Enhanced Activity for Hydrogenations (1962) (33)
- Organoboranes for synthesis. 1 : Protonolysis of trialkylboranes. A convenient non-catalytic conversion of alkenes into saturated compounds via hydroboration-protonolysis (1986) (33)
- Chiral synthesis via organoboranes. 12. Conversion of boronic esters of essentially 100% optical purity into monoalkylthexylboranes providing convenient synthetic routes to trans-olefins, cis-olefins, alkynes, and ketones of very high enantiomeric purities (1988) (33)
- A Comparative Study of the Relative Stability of Representative Chiral and Achiral Boronic Esters Employing Transesterification (2007) (33)
- Lithium perhydro-9b-boraphenalylhydride. Active reducing agent of unusually high stereoselectivity for the reduction of cyclic and bicyclic ketones (1970) (33)
- Hydroboration. XXV. The hydroboration of 3-butenyl derivatives containing representative substituents (1968) (33)
- The Selectivity Relationship. An Examination of the Electrophilic Substitution, Electrophilic Side-chain and Hammett Side-chain Reactions of Toluene and Tolyl Derivatives1-3 (1959) (33)
- Molecular Addition Compounds. 15. Synthesis, Hydroboration, and Reduction Studies of New, Highly Reactive tert-Butyldialkylamine−Borane Adducts (1999) (33)
- Steric Effects in Displacement Reactions. XI. The Heats of Reaction of Diborane with Pyridine Bases. Steric Strains in Homomorphs of o-t-Butyltoluene and Hemimellitene1 (1956) (33)
- Reaction of lithium ethynyl- and ethenyltrialkylborates with acid. Valuable route to the Markovnikov alkenyl- and alkylboranes (1975) (32)
- Ring enlargement of boracyclanes via sequential one carbon homologation. The first synthesis of boracyclanes in the strained medium ring range. (1988) (32)
- Reaction of the Boron Halides with the Alkali Metal Hydrides and with Their Addition Compounds; A New Synthesis of Diborane1 (1953) (32)
- Synthesis of homoallylic chiral tertiary alcohols via chelation-controlled diastereoselective nucleophilic addition on alpha-alkoxyketones: application for the synthesis of the C(1)-C(11) subunit of 8-epi-fostriecin. (2003) (32)
- Rates and Equilibria in the Reaction of γ-Butyrolactone with Alcohols. A Convenient Synthesis of 4-Hydroxybutyrates1 (1966) (32)
- Reaction of aluminum hydride-triethylamine complex with selected organic compounds containing representative functional groups (1993) (32)
- New powerful catalysts for the reduction of esters by lithium borohydride (1982) (32)
- Hydroboration. 85. Synthesis and hydroboration of (-)-2-phenylapopinene. Comparison of mono(2-phenylapoisopinocampheyl)borane with its 2-methyl and 2-ethyl analogs for the chiral hydroboration of representative alkenes (1990) (32)
- Selective reductions. 31. Lithium triethylborohydride as an exceptionally powerful nucleophile. A new and remarkably rapid methodology for the hydrogenolysis of alkyl halides under mild conditions (1983) (32)
- Dissociation of the Compounds of Trimethylboron with Pyridine and the Picolines; Evidence for the Steric Nature of the Ortho Effect1 (1947) (32)
- Asymmetric reduction of .alpha.-keto esters with potassium 9-O-(1,2:5,6-di-O-isopropylidene-.alpha.-D-glucofuranose)-9-boratabicyclo[3.3.1]nonane. Chiral synthesis of .alpha.-hydroxy esters with optical purity approaching 100% ee (1986) (32)
- Reaction of alkyl- and aryldichloroboranes with ethyl diazoacetate at low temperature (1973) (32)
- Carbonylation of the organoboranes from the cyclic hydroboration of dienes with thexylborane. Simple procedure for the conversion of dienes into cyclic ketones (1967) (32)
- Question of .sigma. bridging in the solvolysis of 2-norbornyl derivatives (1973) (32)
- Organoboranes for Synthesis. 15. B-Allenyl-9-BBN: A Highly Regiospecific and Chemoselective Reagent for Allenylboration of Representative Carbonyl Compounds, Leading to Homopropargylic Alcohols and Amines (1995) (31)
- Hydroboration. XXI. The Reaction of Unsaturated Alkyl Chlorides and p-Toluenesulfonates with Diborane and Disiamylborane (1964) (31)
- Reaction of B-alkyl-9-borabicyclo[3.3.1]nonanes with carbon monoxide in the presence of lithium tri-t-butoxyaluminohydride. The conversion of functionally substituted olefins into aldehydes via hydroboration (1969) (31)
- Stereoselectivity of the Hydration of Representative Cyclic and Bicyclic Olefins by the New Oxymercuration-Demercuration Procedure (1967) (31)
- Complexes of Aromatic Hydrocarbons with Aluminum Bromide1,2 (1953) (31)
- B-(.gamma.-(Trimethylsilyl)propargyl)diisopinocampheylborane: A New, Highly Efficient Reagent for the Enantioselective Propargylboration of Aldehydes. Synthesis of Trimethylsilyl-Substituted and Parent .alpha.-Allenic Alcohols in High Optical Purity (1995) (31)
- Chiral synthesis via organoboranes. 4. Synthetic utility of boronic esters of essentially 100% optical purity. Synthesis of homologated boronic acids and esters of very high enantiomeric purities (1985) (31)
- Rates and Isomer Distribution in the Mercuration of Benzene and Toluene. A Proposed Extension of the Quantitative Relationship Governing Isomer Distribution in Aromatic Substitution1 (1955) (31)
- A Critical Examination of the Applicability of A Linear Free Energy Relationship to Aromatic Substitution Reactions (1962) (31)
- Conjugate addition-elimination in the reaction of .beta.-1-alkynyl-9-borabicyclo[3.3.1]nonanes with 4-methoxy-3-buten-2-one and related derivatives. A convenient new route to conjugated enynones (1977) (31)
- Organoboranes. 27. Exploration of synthetic procedures for the preparation of monoisopinocampheylborane (1982) (31)
- Solvomercuration-demercuration. III. Relative rates of oxymercuration of representative olefins in an aqueous tetrahydrofuran system (1972) (30)
- REDUCTION OF ESTER AND OTHER DIFFICULTY REDUCIBLE GROUPS BY SODIUM BOROHYDRIDE (1955) (30)
- Solvomercuration-demercuration. V. Additions to bicyclic olefins. VI. Stereochemistry of the oxymercuration-demercuration of norbornene, 7,7-dimethylnorbornene, and related olefins (1973) (30)
- Hydroboration of terpenes. VI. Hydroboration of .alpha.- and .beta.- cedrenes. Configurational assignments for the related cedrane derivatives (1970) (30)
- Hydrogen Bonding as a Factor in the Ionization of Dicarboxylic Acids. (1953) (30)
- Reaction of carbon monoxide at atmospheric pressure with trialkylboranes in the presence of water. Synthesis of dialkyl ketones via hydroboration (1967) (30)
- Selective reductions. 52. Efficient asymmetric reduction of α-acetylenic α′-fluoroalkyl ketones with either B-chlorodiisopinocampheylborane or B-isopinocampheyl-9-borabicyclo[3.3.1]nonane in high enantiomeric purity. The influence of fluoro groups in such reductions (1994) (30)
- Organoboranes. I. Isomerization and Displacement Reactions of Organoboranes. A Convenient Procedure for the Conversion of Internal Olefins into Primary Alcohols (1959) (30)
- Reaction of B-alkyl-9-borabicyclo[3.3.1]nonanes with .alpha.-bromo ketones under the influence of potassium tert-butoxide. A convenient procedure for the .alpha.-alkylation of ketones (1969) (30)
- Hydroboration of terpenes. V. Isomerization of (+)-sabinene to (+)-.alpha.-thujene. Hydroboration of (+)-sabinene and (+).alpha.-thujene with configurational assignments for the thujanols (1969) (30)
- Selective reductions. 45. Asymmetric reduction of prochiral ketones by iso-2-methyl-, iso-2-ethyl-, and [iso-2-[2-(benzyloxy)ethyl]apopinocampheyl]-tert-butylchloroboranes. Evidence for a major influence of the steric requirements of the 2-substituent on the efficiency of asymmetric reduction (1989) (30)
- Reaction of B-alkyl-9-borabicyclo[3.3.1]nonanes with ethyl mono- and dihaloacetates under the influence of potassium tert-butoxide. A convenient procedure for the conversion of olefins into esters or .alpha.-halo esters via hydroboration (1969) (30)
- Hydroboration. 80. Preparation of trans-2-phenylcyclopentyl- and trans-2-phenylcyclohexylboronates of very high enantiomeric purities (1987) (30)
- Stoichiometry of the oxidation of primary alcohols with pyridinium chlorochromate. Evidence for a two-electron change (1979) (30)
- Two novel reactions of monomeric formaldehyde with trialkylboranes. Remarkably rapid elimination diverted by oxygen to a free-radical chain addition (1972) (30)
- Facile cyclization of B-(.gamma.-chloropropyl)-9-borabicyclo[3.3.1]nonanes. An improved synthesis of cyclopropane derivatives via hydroboration (1969) (30)
- Notes - Generalization Dealing with Chemical Behavior or 5- and 6- Membered Ring Compounds (1957) (30)
- A New Reaction of Diborane with Carbon Monoxide Catalyzed by Sodium Borohydride. A Convenient Synthesis of Trimethylboroxide (1966) (30)
- Vinylic organoboranes. 11. A highly stereospecific and regiospecific synthesis of trisubstituted alkenes via organoboranes (1988) (30)
- From little acorns to tall oaks: from boranes through organoboranes. (1980) (30)
- HYDROBORATION. 65. RELATIVE REACTIVITIES OF REPRESENTATIVE ALKENES AND ALKYNES TOWARD HYDROBORATION BY CATECHOLBORANE (1983) (29)
- Chemistry of molecular shapes (1959) (29)
- Reaction of representative alkynes with monochloroborane diethyl etherate. Simple convenient synthesis of dialkenylchloroboranes via hydroboration (1973) (29)
- Hydroboration. LXXXVI, Convenient conversion of aldehydes and ketones into the corresponding alkenes via hydroboration of their enamines. A remarkably simple synthesis of either (Z)- or (E)-alkenes (1991) (29)
- Reaction of organoboranes with 2-bromoacrolein. A facile one-stage synthesis of .alpha.-bromo aldehydes (1968) (29)
- Hydroboration. XXXII. Cyclic hydroboration of dienes with thexylborane (1972) (29)
- THE REACTION OF TRIETHYLBORANE WITH OXIDES OF SILVER, GOLD AND PLATINUM—A NEW CONVENIENT ROUTE TO NOBLE METAL ALKYLS AND TO FREE RADICAL CHEMISTRY (1961) (29)
- Asymmetric methallylboration of prochiral aldehydes with methallyldiisopinocampheylborane·synthesis of 2-methyl-1-alken-4-ols in ≥ 90% enantiomeric purities (1984) (29)
- Hydroboration. 97. Synthesis of new exceptional chloroborane--Lewis base adducts for hydroboration. Dioxane--monochloroborane as a superior reagent for the selective hydroboration of terminal alkenes. (2001) (29)
- Hydroboration. 83. Asymmetric hydroboration of representative cis disubstituted and heterocyclic olefins with dicaranylboranes of high enantiomeric purity (1988) (29)
- Asymmetric reduction of prochiral .alpha.-halo ketones with B-3-pinanyl-9-borabicyclo[3.3.1]nonane (1983) (29)
- THE REACTION OF 1-ACYLAZIRIDINES WITH LITHIUM ALUMINUM HYDRIDE—A NEW ALDEHYDE SYNTHESIS (1961) (29)
- Facile transfer of tertiary alkyl groups from boron to carbon in the base-induced reaction of .alpha.,.alpha.-dichloromethyl methyl ether with organoboranes containing tertiary alkyl groups. Novel route to highly hindered trialkylcarbinols involving exceptionally mild conditions (1973) (29)
- Stereochemistry of the carbonylation, carbethoxymethylation, and .gamma.-propanalation reactions of organoboranes. Substitution reactions at carbon that proceed with retention of configuration (1969) (29)
- Organoboranes for synthesis : Oxidation of organoboranes with alkaline hydrogen peroxide as a convenient route for the cis- hydration of alkenes via hydroboration (1986) (29)
- Hydroboration. 78. Reinvestigation of the hydroboration of N-substituted 3-pyrrolines. Preparation of N-benzyl-3-pyrrolidinol and N-benzyl-3-pyrrolidinylboronate of very high enantiomeric purity (1986) (29)
- Complexes of Hydrogen Bromide—Aluminum Bromide with Aromatic Hydrocarbons1,2 (1953) (29)
- Communications. Protonolysis and Deuterolysis of Tri-2-norbornylborane- Evidence for the Retention of Configuration in the Protonolysis of Organoboranes. (1961) (29)
- Hydroboration of terpenes. 10. An improved procedure for the conversion of .alpha.-pinene into .beta.-pinene in high chemical and optical yield using a combination of the Schlosser allylic metalation of .alpha.-pinene and allylborane chemistry (1989) (29)
- Monoisopinocampheylborane - a new chiral hydroborating agent for relatively hindered (trisubstituted) olefins (1977) (28)
- Enolboration. 2. Dicyclohexylchloroborane/triethylamine as a convenient reagent for regio- and stereoselective enolboration of representative classes of ketones (1992) (28)
- Convenient general synthesis of alkyl hydroperoxides via autoxidation of organoboranes (1971) (28)
- Rates of solvolysis of 2-methyl-, 2-tert-butyl-, 2-phenyl-, and 2-cyclopropyl-2-propyl p-nitrobenzoates. Evidence that carbon-13 chemical shifts of carbonium ions do not correlate with the stabilities of solvolytic transition states and the corresponding cationic intermediates (1973) (28)
- SINGLY-BRIDGED COMPOUNDS OF THE BORON HALIDES AND BORON HYDRIDES (1957) (28)
- Selective reductions. 46. Effect of the steric requirement at the 2-position of apopinene on chiral reductions. B-(iso-2-ethylapopinocampheyl)- and B-(iso-2-n-propylapopinocampheyl)-9-borabicyclo[3.3.1]nonanes as improved reagents for the chiral reduction of .alpha.,.beta.-acetylenic ketones and .al (1990) (28)
- Sulfonation Reactions with Sulfuryl Chloride. II. The Photochemical Sulfonation of Aliphatic Acids with Sulfuryl Chloride (1940) (28)
- Oxygen-induced reaction of trialkylboranes with alkyl iodides. Facile coupling of benzylic and allylic iodides via triethylborane (1971) (28)
- Organoboranes : XXIV. Facile substitution and exchange reactions of 9-borabicyclo[3.3.1]nonane (9-BBN) and its B-substituted derivatives. Simple convenient preparations of B-halo derivatives☆ (1979) (28)
- Hydroboration. 81. Synthesis of 2-(dialkylamino)boronic esters and acids via hydroboration of enamines. A convenient preparation of .beta.-dialkylamino alcohols (1987) (28)
- Organoboranes. 38. A facile and highly efficient addition of B-1-alkynyl-9-borabicyclo[3.3.1]nonanes to aldehydes and ketones: an exceptionally chemoselective synthesis of propargylic alcohols (1985) (28)
- Hydroboration. XXXVII. Structural study of the hydroboration of olefins with thexylborane in the molar ratio of 1:1. Convenient synthesis of thexylmonoalkylboranes and their ready conversion to monoalkylboranes (1975) (28)
- Hydroboration of mono-substituted allenes: A general synthetic route to the higher crotylboranes and anti-3-alkyl/aryl-4-hydroxy-1-alkenes (1997) (28)
- Hydroboration. XVII. An Examination of Several Representative Dialkylboranes as Selective Hydroborating Agents (1963) (28)
- Stereochemistry of additions to norbornene and 7,7-dimethylnorbornene. A new interpretation of the steric influence of 7,7-dimethyl substituents on reactions of the norbornyl system (1970) (28)
- Synthesis of the cis,cis,cis-perhydro-9b-phenalenol, a very highly strained system, via the carbonylation reaction. High rate of solvolysis of the corresponding p-nitrobenzoate (1969) (28)
- Exceptionally high regioselectivity in the hydroboration of representative olefins with 9-borabicyclo[3.3.1]nonane in a simplified rapid procedure (1973) (27)
- Improved procedure for the asymmetric reduction of prochiral ketones by B-3-pinanyl-9-borabicyclo[3.3.1]nonane (1982) (27)
- Additions to bicyclic olefins. VII. Electrophilic additions of hydrogen chloride and deuterium chloride to norbornene, 2-methylenenorbornane, and related bicyclic olefins. Evidence for a carbonium ion process and the capture of unsymmetrical (classical) 2-norbornyl cations (1975) (27)
- Vinylic organoboranes. 6. A general synthesis of (E)-disubstituted-alkenes or ketones via the (E)-(1-substituted-1-alkenyl)boronic esters (1986) (27)
- Exo-endo relative reactivities in three representative U-shaped systems. Exo-endo rate ratio in solvolysis as a steric phenomenon (1967) (27)
- Addition Compounds of Alkali Metal Hydrides. II. Sodium Trimethoxyborohydride as a Reducing Agent for Organic Compounds1,2 (1953) (27)
- Dissociation of the Addition Compounds of Trimethylboron with n-Butyl- and Neopentyldimethylamines; Interaction of Trimethylboron and Boron Trifluoride with Highly Hindered Bases1,2 (1953) (27)
- The Sulfonic Acids Derived from Pyridine and 2,6-Lutidine and the Corresponding N-Oxides1 (1962) (27)
- Carbonylation of perhydro-9b-boraphenalene to form perhydro-9b-phenalenol. New general synthesis of polycyclic derivatives (1967) (27)
- A Convenient Procedure for the Preparation of Deuterium Chloride (1942) (27)
- Carbonylation of thexyldialkylboranes. New general synthesis of ketones (1967) (27)
- Stereospecific synthesis of 1,4-dienes by cross-coupling of allyl halides with alkenylcopper intermediates from alkenyldialkylboranes (1980) (27)
- Direct chiral synthesis of boronic acids and esters of high optical purity via asymmetric hydroboration-displacement (1982) (27)
- The Competitive Halogenation of Cyclohexane and Aralkyl Hydrocarbons; Evidence as to the Nature of the Transition States in Halogenation Reactions1,2 (1955) (26)
- Organoboranes for synthesis. 5: Stoichiometrically controlled reaction of organoboranes with oxygen under mild conditions to achieve quantitative conversion to alcohols1 (1986) (26)
- Asymmetric synthesis of γ-perfluoroalkyl(aryl) butyrolactones via organoboranes (2004) (26)
- Mechanism of hydroboration of alkenes with borane-Lewis base complexes. Evidence that the mechanism of the hydroboration reaction proceeds through a prior dissociation of such complexes (1984) (26)
- Simple, remarkably efficient route to high purity, crystalline 9-borabicyclo[3.3.1]nonane (9-BBN) dimer (1981) (26)
- Isomer Distribution in the Sulfuryl Chloride Chlorination of the 1-Chlorobutanes and Related Compounds; the Inductive Effect in Free Radical Substitutions1 (1955) (26)
- Hydroboration. XXXV. Cyclic hydroboration of 2,4-dimethyl-1,4-pentadiene and 2,5-dimethyl-1,5-hexadiene. Simple synthesis of bis(3,5-dimethyl)borinane and bis(3,6-dimethyl)borepane and their application to the 1,4-addition reaction of organoboranes (1973) (26)
- A general and stereospecific synthesis of cis alkenes via stepwise hydroboration: a simple synthesis of muscalure, the sex pheromone of house fly (Musca domestica) (1982) (26)
- Chiral Synthesis via Organoboranes. 46. An Efficient Preparation of Chiral Pyridino- and Thiopheno-18-crown-6 Ligands from Enantiomerically Pure C(2)-Symmetric Pyridine- and Thiophenediols(1). (1999) (26)
- Homologation of representative boronic esters using in situ generated (halomethyl)lithiums: A comparative study (1994) (26)
- Steric Effects in Elimination Reactions. X. Steric Strains as a Factor in Controlling the Direction of Bimolecular Eliminations. The Hofmann Rule as a Manifestation of Steric Strain (1956) (26)
- A Simple Automatic Procedure for Catalytic Hydrogenations in Glass Apparatus at Atmospheric Pressure (1962) (26)
- A new reagent, 9-borabicyclo[3.3.1]nonane-pyridine, for the selective reduction of aldehyde groups in the presence of keto and other functional groups (1977) (26)
- Isomer Distribution and Partial Rate Factors in the Gallium Bromide Catalyzed Alkylation of Benzene and Toluene. The Selectivity Factor, Sf, in Electrophilic Substitution1,2 (1956) (26)
- The Relative Rate and Isomer Distribution in the Acetylation of Benzene and Toluene in Ethylene Dichloride under the Influence of Aluminum Chloride1,2 (1959) (26)
- Light-induced reaction of bromine with trialkylboranes in the presence of water. A remarkably simple procedure for the union of two or three alkyl groups to produce highly substituted alcohols (1971) (26)
- Organoboranes. 32. Homologation of alkylboronic esters with methoxy(phenylthio)methyllithium: regio- and stereocontrolled aldehyde synthesis from olefins via hydroboration (1983) (25)
- Structural effects in solvolytic reactions. 17. Solvolysis of 1-aryl-1-cyclopropyl-1-ethyl p-nitrobenzoates. Major increases in electron supply by the cyclopropyl group with increasing electron demand at the cationic center. Effect of substituents on the cyclopropane ring (1977) (25)
- Convenient synthetic routes to the 5,6-trimethylenenorbornanones (1972) (25)
- Reactions of Atoms and Free Radicals in Solution. I. A Study of the Substitution of Hydrogen on an Asymmetric Carbon Atom—The Chlorination of Primary Active Amyl Chloride (1940) (25)
- Improved Procedure for Borane-Dimethyl Sulfide Reduction of Primary Amides to Amines, (1981) (25)
- The Rates of Reaction of Sodium Borohydride with Some Representative Ketones (1962) (25)
- Hydroboration. 79. Preparation and properties of methylborane and dimethylborane and their characteristics as hydroborating agents. Synthesis of tertiary alcohols containing methyl groups via hydroboration (1986) (25)
- Dissociation of the Addition Compounds of Trimethylboron with the Ethylamines; Configuration of the Ethylamines1 (1947) (25)
- A Rapid, Precise Procedure for the Quantitative Determination of Unsaturation in Organic Compounds via Hydrogenation (1963) (25)
- Addition compounds of alkali metal hydrides. 20. Reaction of representative mono- and dialkylboranes with saline hydrides to form the corresponding alkylborohydrides (1981) (25)
- Catalytic hydrogenation—I (1966) (25)
- Studies in Stereochemistry. VII. The Effect of F-Strain on the Relative Base Strengths of Ammonia and the Ethylamines (1945) (25)
- Reaction of carbon monoxide at atmospheric pressure with trialkylboranes in the presence of lithium trimethoxyaluminohydride. A convenient procedure for the conversion of olefins into aldehydes via hydroboration [8] (1968) (25)
- Organoboranes. IV. The Displacement Reaction with Organoboranes Derived from the Hydroboration of Branched-Chain Olefins. A Contrathermodynamic Isomerization of Olefins (1966) (25)
- Hydroboration. LXXII: Hydroboration-oxidation of 1,4-epoxy-1,4-dihydronaphthalene with and without ring opening (1985) (25)
- The Reaction of Methyl Iodide with o-Phenylenediamine; Homomorphs of o-Di-t-butylbenzene1,2 (1953) (25)
- 9-Allenyl-9-BBN: A new reagent for the efficient allenylboration of carbonyl compounds producing the homopropargylic alcohols in high purity and yield (1993) (25)
- A Quantitative Treatment of Isomer Distribution in Aromatic Electrophilic Substitution1,2 (1955) (25)
- Reaction of ethyl haloacetates and .alpha.-bromo ketones with B-aryl-9-borabicyclo(3.3.1)nonanes under the influence of potassium tert-butoxide. A new convenient procedure for the .alpha.-arylation of ketones and esters (1969) (25)
- Solvomercuration-demercuration. IV. Monohydration of representative dienes via oxymercuration-demercuration (1972) (25)
- Formation of alkyl bromides in the dark reaction of bromine with organoboranes. Evidence for an unusual pathway involving the prior bromination of the organoborane (1970) (24)
- Reaction of sodium aluminum hydride with selected organic compounds containing representative functional groups. Comparison of the reducing characteristics of lithium and sodium aluminum hydrides (1993) (24)
- Synthesis of 3-cyclopenten-1-one and 3-cyclopenten-1-ol (1967) (24)
- Enolboration. 7. Dicyclohexyliodoborane, a Highly Stereoselective Reagent for the Enolboration of Tertiary Amides. Effects of Solvent and Aldolization Temperature on Stereochemistry in Achieving the Stereoelective Synthesis of either Syn or Anti Aldols (1994) (24)
- Addition compounds of alkali metal hydrides. 28. Preparation of potassium dialkoxymonoalkylborohydrides from cyclic boronic esters. A new class of reducing agents (1986) (24)
- Hydroboration. VI. A Convenient Synthesis of the Alkane and Cycloalkane Boronic and Borinic Esters and Acids (1960) (24)
- Hydroboration. 75. Directive effects in the hydroboration of vinyl and propenyl heterocycles with representative hydroborating agents (1986) (24)
- A facile synthesis of chiral ω-allyl- and ω-n-propyllactones via asymmetric allylboration of formyl esters with B-allyldiisopinocampheylborane (1999) (24)
- Selective reductions with diborane, an acidic-type reducing agent (1957) (24)
- Organoboranes for synthesis. 4 : Oxidation of organoboranes with pyridinium chlorochromate. A direct synthesis of aldehydes from terminal alkenes via hydroboration (1986) (24)
- Organoboranes. 54. Exploration of the reactions of (.alpha.-haloallyl)lithium with organoborane derivatives. Simple and convenient procedure for the synthesis of three-carbon homologated boronate esters and terminal alkenes (1992) (24)
- A convenient procedure for upgrading commercial (+)- and (-)-.alpha.-pinene to material of high optical purity (1982) (24)
- Solid Complexes of Aluminum Bromide with Aromatic Hydrocarbons1-3 (1966) (24)
- Kinetics of the Friedel-Crafts Benzoylation of Benzene with Aluminum Chloride as Catalyst and Benzoyl Chloride as Solvent1,2 (1958) (24)
- A remarkable inversion in configuration of the product alcohols from theasymmetric reduction of ortho-hydroxyacetophenones with B-chlorodiisopinocampheylborane☆ (1994) (24)
- A general synthesis of ketones from alkenes via stepwise hydroboration with thexylchloroborane (1980) (24)
- Organoboranes. 20. The facile allylboration of representative carbonyl compounds with B-allyl derivatives of 9-borabicyclo[3.3.1]nonane (1977) (24)
- Steric Strain as a Factor in the Ionization Constants of Ortho Substituted Aromatic Amines and Phosphines1,2 (1950) (24)
- Hydroboration. XX. The Reactions of Diisopinocampheylborane with Representative 2-Methyl-1-alkenes-A Convenient Synthesis of Optically Active 2-methyl-1-alkanols (1964) (23)
- BIS-3-METHYL-2-BUTYLBORANE AS A SELECTIVE REAGENT FOR STERIC CONTROL OF THE DIRECTION OF HYDROBORATION (1960) (23)
- Base-induced .alpha.-alkenylation of ethyl bromoacetate, phenacyl bromide and chloroacetonitrile via B-trans-1-alkenyl-9-borabicyclo[3.3.1]nonanes (1986) (23)
- Hydroboration. 49. Effect of structure on the selective monohydroboration of representative conjugated dienes by 9-borabicyclo[3.3.1]nonane (1977) (23)
- Improved procedures for the generation of diborane from sodium borohydride and boron trifluoride. (2000) (23)
- Selective reductions. 38. Reaction of thexylchloroborane-methyl sulfide complex in methylene chloride with selected organic compounds containing representative functional groups. Comparison of the reducing characteristics of thexylchloroborane, thexylborane, and diborane (1986) (23)
- Selective reductions. 33. Potassium triisopropoxyborohydride as a selective reducing agent in organic synthesis. Reaction with selected organic compounds containing representative functional groups (1984) (23)
- Vinylic organoboranes. 9. A general stereospecific synthesis of (Z)- and (E)-disubstituted alkenes via organoboranes (1988) (23)
- Convenient conversion of aldehydes and ketones into the corresponding alkenes via hydroboration of their enamines. A remarkably simple synthesis of either (Z)- or (E)-alkenes (1989) (23)
- Asymmetric allylboration for the synthesis of β-hydroxy-δ-lactone unit of statin drug analogs (2001) (23)
- Solvomercuration-demercuration. 11. Alkoxymercuration-demercuration of representative alkenes in alcohol solvents with the mercuric salts acetate, trifluoroacetate, nitrate, and methanesulfonate (1984) (23)
- Selective reductions. XX. Stereochemistry of the reduction of cyclic, bicyclic, and polycyclic ketones by dialkylboranes. Simple, convenient procedure for the reduction of ketones to the corresponding alcohols with exceptionally high steric control (1974) (23)
- Distribution of Isomers in the Mononitration of t-Butylbenzene; Properties of the Pure Mononitro-t-butylbenzenes (1951) (23)
- Organoboranes: LI. Convenient procedures for the recovery of pinanediol in asymmetric synthesis via one-carbon homologation of boronic esters☆ (1988) (22)
- Structural effects in solvolytic reactions. 26. A critical study of the effect of solvent on the exo:endo rate ratio in the solvolysis of 2-norbornyl derivatives. Evidence that the exo:endo rate ratio is not the result of K.DELTA./Ks processes (1978) (22)
- Steric Effects in Elimination Reactions. VII. The Effect of the Steric Requirements of Alkoxide Bases on the Direction of Bimolecular Elimination (1956) (22)
- Simple general synthesis of monoalkylboranes and their applicability for the preparation of mixed organoboranes via hydroboration (1971) (22)
- The reaction of diborane with boron trichloride in the presence of ethers—The chloroborane etherates (1959) (22)
- Unusually low exo-endo rate ratio in the solvolysis of the 2,7,7-trimethyl-2-norbornyl p-nitrobenzoates. Evidence for steric effects as a major factor in the exo-endo rate and product ratios of norbornyl derivatives (1968) (22)
- Chiral Synthesis via Organoboranes. 42. Selective Reductions. 57. Efficient Kinetic Resolution of Representative α-Tertiary Ketones with B-Chlorodiisopinocampheylborane (1996) (22)
- Synthesis of both cis- and trans-vinyl bromides from 1-alkynes via hydroboration (1967) (22)
- B-Chlorodiiso-2-ethylapopinocampheylborane — an extremely efficient chiral reducing agent for the reduction of prochiral ketones of intermediate steric requirements (1991) (22)
- Controlled reaction of oxygen with alkyldichloroborane etherates. Synthesis of alkyl hydroperoxides in high yield (1973) (22)
- Addition compounds of alkali metal hydrides. 14. The reaction of trialkylboranes with lithium trialkylborohydrides (1977) (22)
- Hydroboration. 59. Thexylchloroborane-methyl sulfide. A new stable monohydroborating agent with exceptional regioselectivity (1982) (22)
- Solvolysis of 9-aryl-9-pentacyclo[4.3.0.02,4.03,8.05,7]nonyl p-nitrobenzoates. Unambiguous evidence for the presence of carbon participation by the application of the tool of increasing electron demand (1977) (22)
- Homomorphs of 2,6-Dimethyl-t-butylbenzene1,2 (1953) (22)
- Hydroboration. XXXI. Cyclic hydroboration of dienes with borane in tetrahydrofuran in the molar ratio of 1:1 (1972) (22)
- Structural effects in solvolytic reactions. 23. New .sigma.+ constants for activating substituents. The solvolysis of 1-aryl-1-cyclopropyl 3,5-dinitrobenzoates containing activating substituents in the aryl group. The tool of increasing electron demand and I-strain (1977) (22)
- Diisopinocampheylchloroborane, a Remarkably Efficient Chiral Reducing Agent for Aromatic Prochiral Ketones. (1986) (22)
- New selective reducing agents (1961) (22)
- Iodine as an exceptionally favorable inhibitor for the reaction of oxygen with trialkylboranes. Evidence for a very slow initiation step in the autoxidation of organoboranes (1971) (22)
- Structural effects in solvolytic reactions. IV. Rates and products in the acetolysis of substituted 3-phenyl-2-butyl brosylates. Nature of the reaction pathway in the acetolysis of secondary alkyl arenesulfonates (1971) (21)
- Molecular Addition Compounds. 11. N-Ethyl-N-isopropylaniline−Borane, A Superior Reagent for Hydroborations and Reductions (1998) (21)
- Dilongifolylborane: a new effective chiral hydroborating agent with intermediate steric requirements (1981) (21)
- Enolboration. 3. An examination of the effect of variable steric requirements of R on the stereoselective enolboration of ketones with R2BCl/Et3N. Bis(bicyclo[2.2.2]octyl)chloroborane/triethylamine, a new reagent which achieves the selective generation of E enolborinates from representative ketones (1992) (21)
- Chiral synthesis via organoboranes. 20. Conversion of boronic esters of essentially 100% optical purity to B-alkyl-9-borabicyclo[3.3.1]nonanes of very high optical purity. Synthesis of optically active homologated esters, nitriles, and ketones (1989) (21)
- Hydroboration. XXXIII. Cyclic hydroboration of 1,4-pentadiene with borane in tetrahydrofuran. Thermal behavior of the organoborane derivatives and a simple synthesis of bisborinane and .beta.-alkylborinanes (1972) (21)
- Structural effects in solvolytic reactions. VI. Rates and products in the acetolysis of substituted trans-2-phenylcyclopentyl tosylates and optically active derivatives. Nature of the aryl-assisted and the aryl-unassisted reaction pathways (1972) (21)
- B-2'-isoprenyldiisopinocampheylborane : an efficient reagent for the chiral isoprenylation of aldehydes. A convenient route to both enantiomers of ipsenol and ipsdienol (1990) (21)
- Stereospecific synthesis of conjugated enynes from alkenyldialkylboranes via alkenylcopper intermediates (1981) (21)
- Kinetics of Methylation and Ethylation of Benzene and Toluene in 1,2,4-Trichlorobenzene under the Influence of Aluminum Bromide; Mechanism of the Alkylation Reaction1,2 (1956) (21)
- Organoboranes. 39. Convenient procedures for the preparation of methylboronic acid and trimethylboroxin (1985) (21)
- Rates of Ethanolysis of Camphene Hydrochloride and Related Alpha Methyl Substituted 1-Chloro-1-methylcyclopentanes--the Question of a Non-classical Camphenylyl Cation (1963) (21)
- Hydroboration. 66. Addition of lithium triethylborohydride to substituted styrenes. A simple, convenient procedure for the Markovnikov hydroboration of aromatically conjugated olefins and the synthesis of unusual mixed trialkylboranes (1984) (21)
- Monoisopinocampheylborane: an excellent chiral hydroborating agent for phenyl-substituted tertiary olefins. Synthesis of alcohols approaching 100% enantiomeric excess (1980) (21)
- Reactions of Atoms and Free Radicals in Solution. II. The Non-Isomerization of Free Alkyl Radicals in Solution (1941) (21)
- Organoboranes : XV. A simple convenient procedure for the preparation of alkyldichloroboranes via hydroboration-redistribution (1972) (21)
- Molecular addition compounds. 5. Interaction of N,N,N',N',-tetramethylethylenediamine with boron trifluoride and monoalkylboranes (1979) (21)
- Additions to bicyclic olefins. VIII. Electrophilic addition of trifluoroacetic acid and deuteriotrifluoroacetic acid to norbornene and related bicyclic olefins. Evidence for the capture of the the unsymmetrical (classical) 2-norbornyl cation (1975) (21)
- ISOMERIZATION OF ORGANOBORANES DERIVED FROM BRANCHED-CHAIN AND RING OLEFINS—FURTHER EVIDENCE FOR THE ELIMINATION-ADDITION MECHANISM OF ISOMERIZATION (1960) (21)
- Rates of Solvolysis of Phenyldimethylcarbinyl Chlorides Containing Meta Directing Substituents1,2 (1958) (21)
- Relative Rates and Isomer Distributions in the Halogenation of t-Butylbenzene and Some of Its Derivatives. Partial Rate Factors for Non-catalytic Bromination and Chlorination in Acetic Acid1-3 (1959) (21)
- Rates of Solvolysis of the Halophenyldimethylcarbinyl Chlorides. The Effect of Halogen Substituents upon the Rates of Electrophilic Reactions1-3 (1957) (20)
- Rates of Solvolysis of Substituted Phenyldimethylcarbinyl Chlorides in Methyl, Ethyl and Isopropyl Alcohols. Influence of the Solvent on the Value of the Electrophilic Substituent Constant1,2 (1958) (20)
- Convenient Procedure for the Synthesis of (E)-1-Bromo-1-alkenes and (Z)-1-Iodo-1-alkenes (1984) (20)
- Relative rate of exo addition to norbornene and 7,7-dimethylnorbornene. New criterion for distinguishing between cyclic and noncyclic addition processes (1971) (20)
- Improved Procedure for Borane-Dimethyl Sulfide Reduction of Nitriles, (1981) (20)
- Distribution of Isomers in the Mononitration of Ethyl- and Isopropylbenzene. Further Evidence for a Steric Effect in Isomer Distribution1 (1954) (20)
- Organoboranes : XI. A study of the mercuration of organoboranes containing secondary alkyl groups (1971) (20)
- Selective reductions. Part 60: Chemoselective reduction of organyl azides with dichloroborane–dimethyl sulfide (2002) (20)
- Rates of Solvolysis of the Nitro- and the Methoxyphenyldimethylcarbinyl Chlorides1-3 (1957) (20)
- Comparison of the Effect of Substitutents at the 2-Position of the Norbornyl System with Their Effect in Representative Secondary Aliphatic and Alicyclic Derivatives. Evidence for the Absence of Nonclassical Stabilization of the Norbornyl Cation (1964) (20)
- Reaction of carbon monoxide at atmospheric pressure with trialkylboranes in the presence of sodium- or lithium borohydride. A convenient procedure for the oxymethylation of olefins via hydroboration (1967) (20)
- Organoboranes. VI. Isomerization of Organoboranes Derived from the Hydroboration of Cyclic and Bicyclic Olefins (1967) (20)
- Chiral synthesis via organoboranes. XIX: The successful one-carbon homologation of heterocyclic boronate esters with high optical purity (1989) (20)
- Organoboranes. 26. Boron-11 NMR investigation of reactions of 2,3-dimethyl-2-butene with monochloroborane complexes. Preparation and hydroboration characteristics of thexylchloroborane reagents (1982) (20)
- The Rates of Mercuration of the Monoalkyl- and the Polymethylbenzenes. Calculation of Relative Reactivities for the Mercuration Reaction1,2 (1955) (20)
- The Effect of Perchloric Acid on the Reactivity Ratio and Isomer Distribution in the Mercuration of Benzene and Toluene. Modification of the Activity and Selectivity of an Electrophilic Substituting Agent1,2 (1955) (20)
- Monochloroborane-methyl sulfide, H2BCl.S(CH3)2, and dichloroborane-methyl sulfide, HBCl2.S(CH3)2, as new stable hydroborating agents with high regiospecificity (1977) (20)
- Organoboranes—34 : General synthesis of chiral boronic and borinic esters via asymmetric hydroboration-displacement. carbenoidation of chiral borinic esters to acyclic ketones of high enantiomeric purities (1984) (20)
- Solvomercuration-demercuration. 8. Oxymercuration-demercuration of methoxy-, hydroxy-. and acetoxy-substituted alkenes (1981) (20)
- Organoboranes. 49. An examination of convenient procedures for the generation of borane and monoalkyl- and dialkylboranes from lithium borohydride and monoalkyl- and dialkylborohydrides (1986) (19)
- Convenient stereospecific synthesis of terminal acetylenes via the treatment of lithium ethynyltrialkylborates with iodine (1974) (19)
- Tri-α-naphthylboron as a Highly Hindered Reference Acid; a Case of Polymorphism Ascribed to Hindered Rotation1 (1948) (19)
- Organoboranes. 41. Reaction of organoboranes with (dichloromethyl)lithium. Scope and limitations. Synthesis of homologated primary and secondary alcohols (1985) (19)
- Addition Compounds of Alkali Metal Hydrides. 22. Convenient Procedures for the Preparation of Lithium Borohydride from Sodium Borohydride and Borane-Dimethyl Sulfide in Simple Ether Solvents (1982) (19)
- Rates of Solvolysis of the m- and p-Phenyl-, m- and p-Methylthio-, and m- and p- Trimethylsilylphenyldimethylcarbinyl Chlorides. Steric Inhibition of Resonance as a Factor in Electrophilic Substituent Constants1,2 (1958) (19)
- Synthetic approach to new organoborane structures via the .alpha.-bromination of borapolycylanes (1974) (19)
- Conversion of linear trienes into bicyclic boranes via hydroboration-isomerization and their carbonylation. A simple synthesis of angularly substituted bicyclic alcohols (1969) (19)
- Lithium-B-Iso-2-ethylapopinocampheyl-9-borabicyclo[3.3.1]nonyl hydride as an improved reagent for asymmetric reduction of unhindered aliphatic ketones. Further evidence for the improved enantioselectivity in reductions by reagents containing increased steric requirements at the 2-position of the apo (1990) (19)
- CHIRAL SYNTHESIS VIA ORGANOBORANES. 2. RAPID REACTION OF BORONIC ESTERS OF VERY HIGH OPTICAL PURITY WITH LITHIUM ALUMINUM HYDRIDE. FACILE REACTION OF ESSENTIALLY OPTICALLY PURE BORINIC ESTERS WITH LITHIUM MONOETHOXYALUMINOHYDRIDE. A N (1985) (19)
- Pheromone synthesis via organoboranes: a stereospecific synthesis of (Z)-7-alken-1-ols (1982) (19)
- A Convenient Conversion of Carboxylic Acids into Aldehydes (1979) (19)
- Molecular addition compounds. 7. Synthesis of addition compounds of boron trifluoride, borane, and alane with N,N,N'N'-tetramethylethylenediamine and triethylenediamine by precipitation from ether solvents (1980) (19)
- Chiral synthesis via organoboranes. Part 32. Synthesis of B-(cycloalk-2-enyl)diisopinocampheylboranes of high enantiomeric purity via the asymmetric hydroboration of cycloalka-1,3-dienes. successful asymmetric allylborations of aldehydes with B-(cycloalk-2-enyl)diisopinocampheylboranes (1991) (19)
- Chiral Synthesis via Organoboranes. 33. The Controlled Reaction of B- Alkydiisopinocampheylboranes with Aldehydes Providing a Convenient Procedure for the Enantiomeric Enrichment of the Boronic Ester Products Through Kinetic Resolution (1992) (19)
- Remarkably facile reductive opening of tetrahydrofuran and related ethers by lithium tri-tert-butoxyaluminohydride in the presence of triethylborane (1972) (19)
- The Methyl Derivatives of Uranium(IV) Borohydride1 (1953) (19)
- Alkoxide-induced reactions of tri-n-butylborane with chlorodifluoromethane and related trisubstituted methanes. New, facile route from organoboranes to the corresponding triakylcarbinols (1971) (19)
- New addition compounds of dialkylboranes and aluminum methoxide. New practical synthesis of dialkylboranes and of mixed trialkylboranes containing functional groups (1971) (19)
- Hydroboration Kinetics. 6.1Hydroboration of Alkenes with 9-Borabicyclo[3.3.1]nonane Dimer and 9-Borabicyclo[3.3.1]nonane-Lewis Base Complexes in Various Solvents: An Interpretation of the Catalytic Effect of Ether Solvents on the Hydroboration Reaction (1982) (19)
- Organoboranes. VII. The Displacement Reaction with Organoboranes Derived from the Hydroboration of Cyclic and Bicyclic Olefins. Conversion of Endocyclic to Exocyclic Double Bonds (1967) (19)
- Hydroboration-kinetics and mechanism (1983) (19)
- Reaction of organoboranes with ethyl bromoacetate and ethyl dibromoacetate under the influence of potassium 2,6-Di-tert-butylphenoxide, an unusual base with large steric requirements (1969) (19)
- Hydroboration. 70. The polycyclic hydroboration of acyclic and cyclic trienes with borane in tetrahydrofuran and triethylamine-borane. Reexamination of the stereochemistry of isomeric perhydro-9b-boraphenalenes (1985) (19)
- The Catalytëc Halides. I. A Study of the Catalyst Couple, Aluminum Chloride—Hydrogen Chloride, and the Question of the Existence of HAlCl41 (1951) (19)
- Selective reductions. 35. Reaction of representative organic functional groups with lithium borohydride in the presence of B-methoxy-9-borabicyclo[3.3.1]nonane. A simple, convenient procedure for the catalyzed selective reduction of esters (1984) (19)
- Highly general synthesis of [E]- and [Z]-3-alkylsubstituted allylboronates via one-carbon homologation of stereospecific 1-alken-1-ylboronates (1993) (19)
- Acid-Base Studies in Gaseous Systems. I. Precise Dissociation Measurements (1944) (19)
- Selective reductions. 25. Remarkably facile reductive opening of cyclic ethers by the lithium tri-tert-butoxyaluminohydride-triethylborane combination (1979) (18)
- Organoboranes. XXXV: Reaction of alkylthioboronic esters with trichloromethyllithium: preparation of one-carbon-extended carboxylic acids and thioacetals from alkenes via hydroboration (1984) (18)
- New Economical, Convenient Procedures for the Synthesis of Catecholborane† (2000) (18)
- Secondary Isotope Effects in the Reactions of Methyl-d3-pyridines with Boron Trifluoride. Consideration of the Secondary Isotope Effect as a Steric Phenomenon1,2 (1966) (18)
- The Reaction of Benzene and Toluene with Methyl Bromide and Iodide in the Presence of Aluminum Bromide; Evidence for a Displacement Mechanism in the Methylation of Aromatic Compounds1,2 (1955) (18)
- Hydroboration of terpenes—VIII (1975) (18)
- Dialkylboranes as Consistent Reagents for Steric Control of Reduction in Both Monocyclic and Bicyclic Systems (1966) (18)
- Carbonylation of Organoboranes in the Presence of Potassium Triisopropoxyborohydride; A Superior Reagent for the Synthesis of Aldehydes or Primary Alcohols from Alkenes via Hydroboration-Carbonylation (1979) (18)
- Reaction of B-methoxydialkylboranes with lithium aluminum hydride in the presence of olefins. A new and general synthesis of acyclic and cyclic mixed trialkylboranes and their conversion into the corresponding trialkylcarbinols via carbonylation-oxidation (1970) (18)
- Chiral synthesis via organoboranes. 17. Preparation of .alpha.-chiral .alpha.'-alkynyl ketones of high enantiomeric excess from optically pure organyl(1-alkynyl)borinic esters (1988) (18)
- A stereospecific synthesis of trisubstituted alkenes via hydridation of dialkylhaloboranes followed by hydroboration-iodination of internal alkynes (1982) (18)
- STEREOCHEMICAL CONSEQUENCES OF KETONE REDUCTIONS BY DIBORANE AND SUBSTITUTED BORANES (1961) (18)
- Organoboranes for synthesis. 14. Convenient procedures for the direct oxidation of organoboranes from terminal alkenes to carboxylic acids (1992) (18)
- Hydroboration. 77. Hydroboration of cyclic dienes with representative hydroborating agents (1986) (18)
- The Photochlorination of 2-Methylpropane-2-d and α-d1-Toluene; the Question of Free Radical Rearrangement or Exchange in Substitution Reactions1,2 (1952) (18)
- Base-induced bromination of tri-exo-norbornylborane: an electrophilic substitution with predominant inversion of configuration (1971) (18)
- Hydroboration kinetics. 5. Kinetics of the reaction of 9-borabicyclo[3.3.1]nonane with representative haloalkynes in carbon tetrachloride. The effect of halogen substitution upon the stoichiometry and rate of hydroboration (1982) (18)
- Hydroboration. 84. Controlled and sequential hydroboration of simple representative alkenes with monoorganylboranes in tetrahydrofuran. A convenient synthesis of mixed borinic esters, R1R2BOR3, and mixed trialkylboranes, R1R2R3B. An examination of positional selectivity in the first and second state (1989) (18)
- Steric Effects in Elimination Reactions. IX. The Effect of the Steric Requirements of the Leaving Group on the Direction of Bimolecular Elimination in 2-Pentyl Derivatives (1956) (18)
- Hydroboration kinetics: Unusual kinetics for the reaction of 9-borabicyclo[3.3.1]nonane with representative alkenes. (1980) (18)
- Rate Data and Isomer Distribution in the Reactions of the Halobenzenes with Mercuric Acetate in Acetic Acid. Partial Rate Factors for the Mercuration Reaction1-3 (1962) (18)
- Facile reaction of alkyl- and aryldichloroboranes with 2-iodoalkyl azides. Stereospecific synthesis of N-alkyl- and N-arylaziridines (1973) (18)
- Pheromones via organoboranes. II: Vinylic organoboranes. VIII: Applications of the general stereoselective synthesis of (E)-disubstituted alkenes via thexylchloroboranes−dimethyl sulfide to the synthesis of pheromones containing and (E)-alkene moiety (1986) (18)
- Hydroboration. XXVIII. The hydroboration of 3-cyclopentenyl derivatives containing representative substituents. Directive effects and the elimination reaction in a cyclic system (1968) (18)
- ASYMMETRIC CARBON-CARBON BOND FORMATION VIA β-ALLYLDIISOPINOCAMPHEYLBORANE. SIMPLE SYNTHESIS OF SECONDARY HOMOALLYLIC ALCOHOLS WITH EXCELLENT ENANTIOMERIC PURITIES (1983) (18)
- Organoboranes : XXV. Hydridation of dialkylhaloboranes. New practical syntheses of dialkylboranes under mild conditions☆☆☆ (1981) (18)
- Addition Compounds of Aluminum Halides with Alkyl Halides1 (1953) (18)
- THE BOROHYDRIDES OF GALLIUM (1943) (17)
- Hydroboration. 83. Synthesis and hydroboration of 2-ethylapopinene. Comparison of monoisopinocampheylborane and its 2-ethyl analog for the chiral hydroboration of representative alkenes (1988) (17)
- A convenient synthesis of β,γ-unsaturated ketones via allylation of Z-1-halo-1-alkenyl-1,3,2-dioxaborolane (1994) (17)
- Relative Rates of the Aluminum Chloride-catalyzed Benzoylation of Representative Benzene Derivatives in Benzoyl Chloride Solution. Partial Rate Factors for the Benzoylation of Toluene1,2 (1958) (17)
- Selective reductions. 56. Exploration of the B-haloisopinocampheylboranes for asymmetric reduction of ketones† (1995) (17)
- Highly Selective Conversion of Terminal Olefins into Aldehydes (1980) (17)
- Carboxylation. II. The Reaction of Oxalyl Chloride with Unsaturated Hydrocarbons (1942) (17)
- Organoboranes for synthesis 17. Generality of hydroboration-amination for the conversion of terpenes into enantiomerically pure terpenylamines. Their utility for gas chromatographic analysis of chiral carboxylic acids (1996) (17)
- Bisborolane. Highly elusive bisboracyclane (1971) (17)
- Synthesis of secondary alkyl bromides in the dark reaction of bromine with B-sec-alkyl-9-borabicyclo[3.3.1]nonanes. A convenient procedure for the anti-Markovnikov hydrobromination of internal olefins (1971) (17)
- Inner Complexes of Uranium Containing 1,3-Dicarbonyl Chelating Groups (1953) (17)
- ORGANOBORANES. 20. THE FACILE ALLYLBORATION OF REPRESENTATIVE CARBONYL COMPOUNDS WITH B‐ALLYL DERIVATIVES OF 9‐BORABICYCLO(3.3.1)NONANE (1977) (17)
- Highly enantioselective synthesis of alky- and aryl-substituted α-allenic alcohols (1996) (17)
- Asymmetric synthesis of 6-(2′,3′,4′,5′,6′-pentafluorophenyl)-δ-lactones via “allyl”boranes: application for the synthesis of fluorinated analog of key pharmacophore of statin drugs (2004) (17)
- Vinylic organoboranes. 15. Mercuration of 2-alkenyl-1,3,2-benzodioxaboroles and boronic acids. A convenient stereospecific procedure for the conversion of alkynes into (E)-1-halo-1-alkenes via mercuric salts (1989) (17)
- The reaction of carbon monoxide with B-alkyl-9-borabicyclo[3.3.1]nonanes. A remarkably simple synthesis of 9-alkylbicyclo[3.3.1.]nonan-9-ols (1968) (17)
- The Photobromination of Branched-chain Hydrocarbons; the Dark Reaction of Bromine with Tertiary Alkyl Bromides1,2 (1955) (17)
- Relative Rates and Isomer Distributions in the Acetylation of the Methylbenzenes by Acetyl Chloride-Aluminum Chloride in Ethylene Dichloride Solution1 (1959) (17)
- Molecular Addition Compounds. 10. Borane Adducts with N,N-Dialkylanilines for Hydroboration (1998) (17)
- Organoboranes. 50. Preparation and characterization of organyl-1-alkynylborinic esters (1987) (17)
- Hydroboration. 64. Effect of structure on the relative reactivity of representative alkenes and alkynes toward hydroboration by dibromoborane-methyl sulfide (1983) (17)
- Highly enantioselective synthesis of (+)- and (−)-perfluoroalkyl(aryl) homoallyl alcohols (2000) (17)
- Efficient general synthesis of 1,2- and 1,3-diols in high enantiomeric excess via the intramolecular asymmetric reduction of the corresponding ketoalkyl diisopinocampheylborinate intermediates☆ (1997) (17)
- Hydroboration. 47. Unique stereospecificity of the hydroboration of 1,3-dimethylcycloalkenes with 9-borabicyclo[3.3.1]nonane (1977) (17)
- Hydroboration. 69. Hydroboration characteristics of lithium borohydride/ethyl acetate in ethyl ether. A new system for controlled hydroboration of alkenes and alkynes (1984) (17)
- Direct reaction of dibromoborane-methyl sulfide, HBBr2.cntdot.S(CH3)2, with alkenes. The remarkable reactivity of dibromoborane-methyl sulfide as a hydroborating agent as compared with related dichloroborane derivatives (1977) (17)
- Pheromones via organoboranes. 3. vinylic organoboranes. 10. stereospecific synthesis of (Z)-and (E)-6- and -7-alken-1-ols via boracyclanes (1988) (17)
- A general and stereospecific synthesis of trans-alkenes and regiospecific synthesis of ketones via stepwise hydroboration (1982) (17)
- Convenient Procedures for the Preparation of Alkyl Borate Esters1-3 (1956) (17)
- Organoboranes. 22. Light-induced reaction of bromine with alkylboronate esters. A convenient synthesis of .alpha.-bromoalkylboronate esters (1977) (17)
- A novel route to 1,3-dienyl-2-boronic esters providing simple syntheses of conjugated [E,E]-dienes and conjugated [E]-alkenones. (1991) (17)
- Dichloroborane-Dimethyl Sulfide, A Highly Selective Reducing Agent for Reduction of Organyl Azides to Amines. (1995) (17)
- Hydroboration. 53. Cyclic hydroboration of 1,5-cyclooctadiene with monohaloborane complexes. A simple, convenient synthesis of B-halo-9-borabicyclo[3.3.1]nonanes (1979) (17)
- Reaction of representative olefins with dichloroborane ethyl etherate induced by boron trichloride. Exceptionally simple, general synthesis of alkyldichloroboranes and alkylboronic acid derivatives via hydroboration (1973) (17)
- Selective Reductions: II. The Reaction of Lithium Tri‐t‐Butoxyaluminohydride with Selected Organic Compounds Containing Representative Functional Groups (1963) (16)
- Rapid reaction of representative olefins with monochloroborane diethyl etherate. Simple, convenient synthesis of dialkylchloroboranes and dialkylborinic acid derivatives (1972) (16)
- Addition compounds of alkali-metal hydrides. 24. A general method for preparation of potassium trialkoxyborohydrides. A new class of reducing agents (1984) (16)
- Structural effects in solvolytic reactions. 19. The relative electron releasing capability of methyl, phenyl, and cyclopropyl groups as measured by the tool of increasing electron demand (1977) (16)
- General stereospecific synthesis of trisubstituted alkenes via stepwise hydroboration (1982) (16)
- Synthesis and Rates of Ethanolysis of 2-Phenyl-exo-norbornyl Chloride. The Question of a Nonclassical 1- and 2-Phenylnorbornyl Cation (1964) (16)
- Oxidation of organoboranes containing primary alkyl groups with pyridinium chlorochromate. A direct synthesis of aldehydes from terminal alkenes (1979) (16)
- Hydroboration of Heterocycles Olefins — A Versatile Route for the Synthesis of Both Racemic and Optically Active Heterocyclic Compounds (1987) (16)
- Competitive bromination of B-isopropyl-9-borabicyclo[3.3.1]nonane. Remarkable selectivity and enhanced reactivity of the .alpha. hydrogen in B-sec-alkyl-9-borabicyclo[3.3.1]nonanes (1974) (16)
- Dissociation of the Addition Compounds of Trimethylboron with the Normal Primary Aliphatic Amines; the Straight-chain Anomaly1 (1951) (16)
- Complexes of Hydrogen Chloride and Hydrogen Bromide with Aromatic Hydrocarbons in n-Heptane Solution1,2 (1965) (16)
- Hydroboration kinetics. 11. A reinvestigation of the kinetics of hydroboration of representative alkenes with disiamylborane dimer. Conclusive evidence for the dissociation mechanism in the hydroboration of alkenes with dialkylborane dimers (1985) (16)
- Vinylic organoboranes. 3. Pheromones via organoboranes. 1. Stereospecific synthesis of straight-chain (Z)-monoolefinic insect pheromones via lithium (1-alkynyl)trialkylborates (1986) (16)
- Solvolysis of 1-aryl-1-cyclopropyl-1-ethyl p-nitrobenzoates. Evidence for major increases in electron supply by the cyclopropyl group with increasing electron demand at the cationic center (1973) (16)
- THE PHOTOCHEMICAL REACTIONS OF OXALYL CHLORIDE AND PHOSGENE WITH CYCLOHEXANE (1940) (16)
- Hydroboration of terpenes. VIII. Hydroboraction of (-)-thujopsene. Configurations of the isomeric 3-thujopsanols and 3-thujopsanones (1970) (16)
- Addition Compounds of Gallium Trichloride with Methyl Halides1,2 (1953) (16)
- Improved Procedure for Borane-Dimethyl Sulfide Reduction of Tertiary and Secondary Amides in the Presence of Boron Trifluoride Etherate (1981) (16)
- A general synthesis of B-(cis-1-bromo-1-alkenyl)dialkylboranes. Valuable intermediates for the synthesis of ketones, trans alkenes and trisubstituted alkenes (1982) (16)
- Steric Effects in Displacement Reactions. VI. The Heats of Formation of the Addition Compounds of Boron Trifluoride with the Monoalkylpyridines. A Linear Relationship Involving Sterically Hindered Reactants1 (1955) (16)
- Vinylic organoboranes. 4. A general, one-pot synthesis of 6- and 7-alkyn-1-ols via boracyclanes. Influence of steric effects in the iodination of lithium alkynyl ate complexes of dialkylborinates (1986) (16)
- Organoboranes. 40. A simple preparation of borinic esters from organolithium reagents and selected boronic esters (1985) (16)
- Argentimetric Procedure for Borohydride Determination (1955) (16)
- Reaction of Organoboranes with Mannich Bases. A Convenient Procedure for the Alkylation of Cyclic and Bicyclic Ketones via Hydroboration (1968) (16)
- Chiral Synthesis via Organoboranes. 11. Hydroboration. 82. Asymmetric Hydroboration of 1-Heteroarylcycloalkenes with Monoisopinocampheylborane. Synthesis of trans-2-Heteroarylcycloalkyl Boronates and Derived Alcohols of Very High Enantiomeric Purity (1988) (16)
- Chiral Synthesis via Organoboranes 23. Enantioselective Ring Opening of meso‐Epoxides with B‐Halodiisopinocampheylboranes. The First General Synthesis of Optically Active 1,2‐Halohydrins (1989) (16)
- Hydroboration: LVIII. Monohydroboration of alkynes with representative dialkylboranes of varying steric requirements. A general synthesis of dialkylvinylboranes (1982) (16)
- A new catalytic enantioselective reducing reagent system from (−)-α,α-diphenylpyrrolidinemethanol and 9-borabicyclo[3.3.1]nonane, especially effective for hindered and substituted aralkylketones (2002) (16)
- Rearrangement of .alpha.-bromoethyldiethylborane induced by nucleophilic reagents. Unusually facile rearrangement applicable to the synthesis of carbon structures (1971) (16)
- Exceptionally facile reduction of acid chlorides to aldehydes by sodium tri-tert-butoxyaluminohydride (1993) (16)
- Hydroboration. 88. Borane-1,4-thioxane. A new, convenient hydroborating agent for the preparation of representative borane reagents (1992) (16)
- Hydroboration kinetics. 3. Kinetics and mechanism of the hydroboration of alkynes with 9-borabicyclo[3.3.1]nonane dimer. Effect of structure on the reactivity of representative alkynes (1982) (16)
- Chiral Synthesis via Organoboranes. 48. Efficient Synthesis of Trans-Fused Bicyclic and Cyclic Ketones and Secondary Alcohols in High Optical Purities via Asymmetric Cyclic Hydroboration with Isopinocampheylchloroborane Etherate (1998) (16)
- Structural effects in solvolytic reactions. 16. The effect of conformation of the cyclopropyl, phenyl, and isopropyl substituents on their electronic contributions to the electron-deficient center (1976) (16)
- Addition compounds of alkali metal hydrides—XIX1: Rapid reaction of trialkylboranes with lithium aluminum hydride in the presence of triethylene-diamine. A facile and quantitative synthesis of lithium trialkylborohydrides, including derivatives with exceptionally large steric requirements (1981) (16)
- Steric Effects in Elimination Reactions. I. Directive Effects in Unimolecular Eliminations; A Case of Hofmann Rule Elimination in an El Reaction (1955) (16)
- Mono- and dialkylation of ethyl dihaloacetates by reaction with organoboranes under the influence of potassium tert-butoxide. Convenient procedures for the conversion of olefins into the .alpha.-halo alkanoic or dialkylacetic acid esters via hydroboration (1968) (15)
- Isomer Distribution in the Aluminum Chloride-Catalyzed Benzoylation of Toluene in Nitrobenzene1-3 (1957) (15)
- Organoboranes. 55. Improved procedure for the conversion of representative achiral and chiral alkyl-, (E)-1-alkenyl and (Z)-1-alkenyl-, and arylboronates into the corresponding organyldichloroboranes (1992) (15)
- Haloboranes and their alkyl derivatives (1982) (15)
- Dicyclohexyliodoborane/Triethylamine - a new reagent which achieves the facile enolboration of esters and tertiary amides (1992) (15)
- Deuterochlorination of norbornene and apobornylene. Evidence for the trapping of the norbornyl cation in an unsymmetrical state (1967) (15)
- High asymmetric induction in the chiral hydroboration of trans-alkenes with isopinocampheylborane. Evidence for a strong steric dependence in such asymmetric hydroborations (1981) (15)
- Organoboranes : XIV. Reaction of organoboranes with mercuric acetate. A convenient preparation of dialkylmercurials via hydroboration-mercuration (1972) (15)
- Steric Effects in Elimination Reactions. V. The Importance of Steric Strains in the Extent and Direction of Unimolecular Elimination. The Role of Steric Strains in the Reactions of Highly Branched Carbonium Ions (1955) (15)
- Hydroboration. 60. Effect of structure on the relative reactivity of representative olefins toward hydroboration by thexylchloroborane-methyl sulfide (1982) (15)
- Stereoselective Synthesis of (E)- and (Z)-Disubstituted Vinyl Bromides via Organoboranes (1986) (15)
- The Reaction of Sodium Hydride with Methyl Borate in Solvents. Convenient New Procedures for the Synthesis of Sodium Borohydride1,2 (1957) (15)
- Dissociation of the Addition Compounds of Trimethylboron with Branched-Chain Primary Amines; the Effects of Chain-Branching1,2 (1953) (15)
- HYDROBORATION AS A CONVENIENT SYNTHETIC ROUTE FOR THE CONTRA-THERMODYNAMIC ISOMERIZATION OF OLEFINS (1960) (15)
- Addition compounds of alkali metal hydrides : XVI. Facile reaction of trialkylboranes with lithium trimethoxyaluminohydride to form lithium trialkylborohydrides. Rapid and quantitative transfer of hydride from aluminum to boron (1979) (15)
- Structural effects in solvolytic reactions; carbon-13 NMR studies of carbocations: Effect of increasing electron demand on the carbon-13 NMR shifts in substituted tert-cumyl and 1-aryl-1-cyclopentyl carbocations-correlation of the data by a new set of substituent constants, sigma. (1980) (15)
- Hydroboration. LXXIII: Relative rates of hydroboration of representative heterocyclic olefins with 9-borabicyclo[3.3.1]nonane (1985) (15)
- Addition compounds of alkali metal hydrides : XVII. An unusual reaction of trialkylboranes with lithium tri-t-butoxyaluminohydride in tetrahydrofuran (1979) (15)
- Hydroboration. 90. Synthesis of 2-Isobutyl- and 2-Isopropylapopinenes. Rates and Stoichiometry of the Hydroboration of 2-Organylapopinenes with Borane-Methyl Sulfide and Borane-Tetrahydrofuran (1994) (15)
- Structural effects in solvolytic reactions. IX. Solvolysis of 3-aryl-3-nortricyclyl p-nitrobenzoates. Evidence for major increases in electron supply by the cyclopropyl group with increasing electron demand at the cationic center (1975) (15)
- Organoboranes. IX. Structure of the organoboranes formed in the reaction of 1,3-butadiene and diborane in the stoichiometric ratio. An unusual thermal isomerization of these organoboranes (1970) (15)
- A simple procedure for the synthesis of three-carbon homologated boronate esters and terminal alkenes via nucleopbilic displacement in α-haloallylboronate ester (1990) (15)
- High exo-endo rate ratio and predominate exo substitution in the solvolysis of 2-p-anisylnorbornyl derivatives. The characteristics of a highly stabilized, classical norbornyl cation (1968) (15)
- Chemical effects of steric strains. 22. Rates of solvolysis of dimethyl(2-norbornyl)carbinyl p-nitrobenzoates and of the quaternization of 2-dimethylaminonorbornanes. A critical examination of the significance of steric factors in the chemistry of exo- and endo-norbornyl derivatives (1978) (15)
- The facile rearrangement of lithium dialkyl-9-borabicyclo[3.3.1]nonane "ate" complexes via hydride transfer. A simple synthetic route to cis-bicyclo[3.3.0]oct-1-yldialkylboranes and derivatives (1976) (15)
- Effect of Various Friedel-Crafts Catalysts on the Rates and Kinetics of the Reaction of Benzoyl Chloride with Aromatics1,2 (1958) (15)
- Structural effects in solvolytic reactions. 22. Effect of ring size on the stabilization of developing carbocations as revealed by the tool of increasing electron demand (1977) (15)
- Rates of Solvolysis of the p-Nitrobenzoates of exo-endo Tertiary Norborneols. A Critical Examination of the exo-endo Rate Ratio as a Basis for the Postulated Nonclassical Structure of the Norbornyl Cation (1964) (15)
- Vinylic organoboranes. 1. A convenient synthesis of acetylenes via the reaction of lithium (1-alkynyl) organoborates with iodine (1986) (15)
- Facile double migration in the protonation of lithium alkynyltrialkylborates with acid (1975) (15)
- Hydroboration. XXXVIII. Structural study of the hydroboration of olefins with thexylmonoalkylboranes. Convenient route to thexyldialkylboranes, mixed dialkylboranes, and mixed trialkylboranes (1975) (14)
- The cyclic hydroboration of dienes. A simple convenient route to heterocyclic organoboranes (1972) (14)
- Proton magnetic resonance study of the fast reversible reaction of mercuric trifluoroacetate with cyclohexene, norbornene, and apobornylene in benzene solution (1970) (14)
- Facile redistribution of trialkylboranes with trimethylene borate. A simple, general synthesis of alkaneboronic esters and acids from olefins via hydroboration (1970) (14)
- Reaction of organoboranes with dichloroacetonitrile under the influence of potassium 2,6-di-tert-butylphenoxide. A convenient general procedure for the preparation of .alpha.-chloro nitriles and dialkylacetonitriles (1970) (14)
- Carboxylation. III. The Peroxide-catalyzed Reaction of Oxalyl Chloride with the Side-chains of Aralkyl Hydrocarbons. A Preliminary Study of the Relative Reactivity of Free Radicals (1942) (14)
- Thexylchloroborane-methyl sulfide. A selective monohydroborating agent with exceptional regioselectivity (1980) (14)
- Structural effects in solvolytic reactions. XI. Rates and products of solvolysis of 2-aryl- and 2-methyl-2-norbornenyl p-nitrobenzoates. Exo:endo rate ratio as a function of increasing electron demand (1975) (14)
- Studies in Stereochemistry. III. The Preparation of d-1-Deutero-2-methylbutane and the Study of Its Optical Rotation (1942) (14)
- Contrasting steric effects of the ketones and aldehydes in the reactions of the diisopinocampheyl enolborinates of methyl ketones with aldehydes (1996) (14)
- Organoboranes. 29. A convenient synthesis of alkyldibromoboranes and dialkylbromoboranes via hydroboration-redistribution (1983) (14)
- Hydroboration kinetics. 10. Kinetics, mechanism, and selectivity for hydroboration of representative alkenes with borinane (1984) (14)
- Addition compounds of alkali metal hydrides. 31. Preparation and properties of chiral dialkoxy monoalkylborohydrides. A new class of asymmetric reducing agents (1986) (14)
- Carbonylation of mixed trialkylboranes containing substituents as a synthetic route to unsymmetrical ketones with such functional substituents. Route for the conversion of olefins, RCH:CH2, into the corresponding carboxylic acids, RCH2CH2CO2H (1967) (14)
- Tandem allylboration-ring-closing metathesis reactions for the preparation of biologically active molecules (2003) (14)
- Chiral synthesis via organoboranes. 25. B-(Z and E)-crotylbis-(2-isocaranyl)boranes as valuable reagents for the asymmetric crotylboration of aldehydes (1990) (14)
- Kinetics of the Reaction of Benzoyl Halides with Toluene in Non-polar Solvents under the Influence of Aluminum Halides1,2 (1959) (14)
- Organoboranes. V. The Thermal Cyclization of Dialkylboranes. A Convenient Synthesis of 2,4,4-Trimethyl-1,5-pentanediol and Related 1,5-Diols1 (1966) (14)
- Successful application of α-haloallyllithium for a simple, convenient preparation of α-haloallylboronate ester (1990) (14)
- Organoboranes: XXVIII. Convenient procedures for the synthesis of borinane☆ (1983) (14)
- 4-Nitro-2,6-lutidine 1-Oxide (1962) (14)
- Facile redistribution of trialkylboranes with aryl borates. General synthesis of dialkylborinic acids and esters (1971) (14)
- THE SOLUBILITY OF HYDROGEN CHLORIDE AT LOW TEMPERATURES--A MEASURE OF THE BASIC PROPERTIES OF AROMATIC NUCLEI (1949) (14)
- ORGANOBORANES. XXXIII. PROTONOLYSIS OF TRIETHYLBORANE WITH CARBOXYLIC ACIDS (1983) (14)
- Steric Effects in Displacement Reactions. IV. Heats of Reaction of Methanesulfonic Acid with the Monoalkylpyridines (1955) (14)
- Chemical effects of steric strains. XXI. Solvolysis of tertiary methyl- and tert-butylcarbinyl p-nitrobenzoates. Evidence that steric effects are more important in rigid bicyclic systems than in acyclic and alicyclic systems (1975) (14)
- Structural effects in solvolytic reactions. 27. Solvolysis of the exo- and endo-1,2-diphenyl-2-norbornyl and -1,2-dimethyl-2-norbornyl p-nitrobenzoates and chlorides. Evidence for the classical nature of 1,2-disubstituted tertiary 2-norbonyl cations and structure of the parent 2-norbornyl cation (1978) (14)
- Organoboranes. 43. A more convenient, practical route to achieve the homologation of boronic esters (1986) (14)
- An Improved Procedure for the Conversion of Organoboranes into Alkyl Iodides (1976) (14)
- Chemical Effects of Steric Strains. XVI. Rates of Reaction of Sodium Borohydride with α-Phenylacetones. Nature of the Driving Force in the Fast Solvolyses of 2,2,2-Triphenylethyl Tosylate and Related Derivatives1 (1965) (14)
- Rates of Reaction of Benzoyl Chloride with Representative Aromatic Hydrocarbons in Ethylene Dichloride Solution under the Influence of Aluminum Chloride. Partial Rate Factors for the Benzoylation Reaction1 (1959) (14)
- Mechanism of hydroboration of alkenes by dibromoborane-methyl sulfide. Remarkable catalysis of the reaction by small quantities of boron tribromide (1983) (14)
- Addition compounds of alkali metal hydrides. 13. Reactions of alkali metal hydrides with trialkylboranes. Synthesis and dissociation of alkali metal trialkylborohydrides. Ethyl ether-organoborane as a reversible "solvent" for lithium hydride (1977) (14)
- Additions to bicyclic olefins—X: Stereochemistry of the oxymercuration-demercuration of cis-bicyclo[3.3.0]oct-2-ene, endo-trimethylene-norborn-8-ene and related olefins (1978) (14)
- Chiral synthesis via organoboranes. 29. A general synthesis of .alpha.-chiral monosubstituted acetylenes and their trimethylsilyl derivatives from enantiomerically pure boronic esters (1991) (14)
- Solvolysis of p-2-norbornyl-tert-cumyl chlorides. .sigma.+Constants for p-exo- and -endo-Norbornyl and the question of an unusual polarizability of the .sigma.-bonds in the 2-norbornyl group (1975) (14)
- Critical examination of the applicability of J13CH as a criterion for the presence of .sigma. bridging in cyclopropylcarbinyl cations (1975) (13)
- Rates of Bromination of Anisole and Certain Derivatives. Partial Rate Factors for the Bromination Reaction. The Application of the Selectivity Relationship to the Substitution Reactions of Anisole1,2 (1960) (13)
- Friedel-CraFts Alkylation Reaction Catalysts and Complexes (1953) (13)
- A NEW TECHNIQUE FOR CONTROLLING THE DIRECTION OF ELIMINATION REACTIONS (1953) (13)
- Unusual kinetics for the hydroboration of alkenes with 9-borabicyclo[3.3.1]nonane (1979) (13)
- HYDROBORATION PART 34, THE CYCLIC HYDROBORATION OF 1,5-HEXADIEN WITH BORANE IN TETRAHYDROFURAN AND 9-BORABICYCLO(3.3.1)NONANE, A NEW CONVENIENT ROUTE TO THE BOREPANE RING SYSTEM UTILIZING 9-BORABICYCLO(3.3.1)NONANE (1973) (13)
- A General Multi-Carbon Homologation of Olefins via Hydroboration-Carbonylation (1972) (13)
- Reaction of organoboranes with ethyl 4-bromocrotonate under the influence of potassium 2,6-di-test-butylphenoxide. A convenient procedure for a four-carbon-atom homologation (1970) (13)
- A remarkable inversion in the selective oxidation of organoboranes and thioethers (1980) (13)
- Catalytic halides. XXXI. Directive effects in aromatic substitution. 59. Kinetics of the gallium chloride catalyzed methylation of benzene in excess methyl chloride (1969) (13)
- Selective reductions. 32. Structural effects on the reduction of epoxides by lithium triethylborohydride. A kinetic study (1983) (13)
- Hydrogenation of Nitroaromatics in the Presence of the New Platinum Metal and Carbon-Supported Platinum Metal Catalysts (1962) (13)
- Kinetics and Mechanism of the Gallium Bromide Catalyzed Alkylation of Aromatics with Ethyl Bromide1,2 (1956) (13)
- A new convenient method for the rapid quantitative determination of unsaturation via hydrogenation (1967) (13)
- An improved synthesis of monoalkylborane derivatives via bis(thexylborane)-N,N,N',N'-tetramethylethylenediamine (1979) (13)
- Dibromoborane-dimethyl sulfide: A new, mild, chemoselective reagent for the rapid deoxygenation of sulfoxides to sulfides† (2006) (13)
- A simple, convenient, general procedure for the synthesis of 2-alkyn-1-ylboronates (1997) (13)
- Complexes of Aluminum Bromide with Aromatic Hydrocarbons in Solution1,2 (1966) (13)
- Unusually slow thermal isomerization of alkyldihaloboranes; a highly regio- and stereospecific synthesis of alkyldihaloboranes from labile olefinic structures (1983) (13)
- Vinylic organoboranes. 5. An improved, convenient synthesis of unsymmetrical alkynes via iodination of lithium alkynyl ate complexes of thexylalkylborinates (1986) (13)
- Trialkylborane-induced reaction of carbon monoxide with alkali metal trialkylborohydrides: a remarkable correlation of boron-11 nuclear magnetic resonance spectra with reactivity (1979) (13)
- Organoboranes. 42. One-carbon homologation of organoboranes. Synthesis of homologated boronic acids and esters from boronic esters (1985) (13)
- Remarkably stable organoboranes derived from the hydroboration of olefins with 9-borabicyclo[3.3.1]nonane. Utilization to achieve the successful synthesis of stereospecific derivatives in 1-substituted cyclooctenes and similar related derivatives (1976) (13)
- The Oxygen-Induced Reactions of Organoboranes with 3,4-Epoxy-1-butynes. A New Route to Functionalized Allenes (1973) (13)
- Chemical Effects of Steric Strains. II. The Effect of Structure on Olefin Formation in the Hydrolysis of Tertiary Aliphatic Chlorides (1950) (13)
- Solvomercuration-demercuration. 9. Oxymercuration-demercuration of chloro-, epoxy-, and thiomethyl-substituted alkenes (1981) (13)
- Facile opening of the borolane ring with borane. A simple entry into 1,2-tetramethylenediboranes (1970) (12)
- Steric Effects in Elimination Reactions. XI. The Reaction of Potassium t-Butoxide with 2-Butyl and t-Amyl Halides. The Effect of the Halogen on the Direction of Elimination1 (1966) (12)
- Organoboranes. XXIX: A convenient synthesis of alkyldibromoboranes via hydroboration-redistribution (1983) (12)
- Novel .alpha. elimination in the mild thermal treatment of .alpha.-chloroboronic esters. New route to olefins (1974) (12)
- Hydride-Induced Carbonylation of Trialkylboranes Followed by Treatment with Acid and Oxidation. A New Synthesis of Dialkylcarbinols under Mild Conditions (1978) (12)
- Hydroboration kinetics. 13. Kinetics and mechanism of hydroboration of representative alkenes and alkynes with dibromoborane-methyl sulfide. Remarkable catalysis of the reaction by small quantities of boron tribromide (1988) (12)
- SYNTHESIS OF METHYLENECYCLOALKANES FROM CYCLOALKENES VIA BORANE CHEMISTRY (1981) (12)
- Conjugate addition-elimination in the reaction of B-1-alkenyl-9-borabicyclo[3.3.1]nonanes with 4-methoxy-3-buten-2-one. A convenient new route to conjugated dienones (1984) (12)
- A convenient method for upgrading the enantiomeric purities of (+)-longifolene and (+)-3-carene to materials approaching 100% ee (1985) (12)
- Studies in Stereochemistry. VIII. The Effect of F-Strain on the Relative Base Strengths of the Isopropyl- and t-Butylamines (1945) (12)
- Borane:1,4-Oxathiane - A New Convenient Hydroborating Agent (1980) (12)
- INTERACTION OF FRIEDEL-CRAFTS CATALYSTS WITH ALKYL HALIDES AND AROMATIC HYDROCARBONS (1950) (12)
- Hydroboration kinetics. 7. Kinetics and mechanism of the reduction of aldehydes and ketones with 9-borabicyclo[3.3.1]nonane dimer (1983) (12)
- Potassium 9-O-(1,2:5,6-di-O-isopropylidene-.alpha.-D-glucofuranose)-9-boratabicyclo[3.3.1]nonane. A new, effective chiral borohydride reagent (1986) (12)
- Homologation of organoboranes via carbonylation-reduction (1980) (12)
- Organoboranes. 21. Facile syntheses of cis-bicyclo[3.3.0]oct-1-yl derivatives from lithium dialkyl-9-borabicyclo[3.3.1]nonane "ate" complexes (1977) (12)
- Remarkable rearrangement and elimination reaction in the solvolysis of tertiary .alpha.-chloroboronates under mild conditions (1975) (12)
- Hydroboration. 76. Revision of the regioselectivity of the hydroboration of alkenes with dihaloborane-dimethyl sulfide complexes (1986) (12)
- Perchloric Acid Catalyzed Aromatic Mercuration in Acetic Acid Solution. I. Electrophilic Reagents (1967) (12)
- An Exceptionally Rapid and Selective Deoxygenation of Aliphatic Sulfoxides to Sulfides under Mild Conditions with a New Reducing Agent, Dichloroborane (2002) (12)
- Initiation rates for autoxidation of trialkylboranes. Effect of a steric factor on the initiation rate (1971) (12)
- Lithium triethoxyaluminohydride as a convenient reagent for the conversion of nitriles to aldehydes (1959) (12)
- THE SLOW RATES OF SOLVOLYSIS OF ENDO-5,6-TRIMETHYLENE-ENDO-(2 AND 8)-NORBORNYL TOSYLATES: STERIC HINDRANCE TO IONIZATION AND THE FOOTE-SCHLEYER CORRELATION* (1966) (12)
- Selective Reduction of Disulfides to Thiols with Potassium Triisopropoxyborohydride (1984) (12)
- Hydroboration kinetics. 2. Improved procedure for following the kinetics for the reaction of alkenes with 9-borabicyclo[3,3,1]nonane. Further evidence for the dissociation mechanism (1980) (12)
- General synthesis of 2-alkyn-1-ylboronates in excellent isomeric purity (1994) (11)
- Rate Data and Isomer Distributions in the Reactions of Biphenyl and Fluorene with Mercuric Acetate in Acetic Acid. Partial Rate Factors for the Mercuration Reaction1-3 (1962) (11)
- Preparation and Properties of Dimethylphosphine (1942) (11)
- Selective reductions. XXXIV: Asymmetric reduction of representative ketones with monoisopinocampheylborane of high optical purity (1977) (11)
- Ultrasonics in organoborane chemistry. Rapid synthesis of triorganylboranes via a modified organometallic route (1985) (11)
- The direct production of monoisopinocampheylborane by the redistribution of diisopinocampheylborane with borane (1980) (11)
- Organoboranes. 57. Relative efficacy of representative lithium dialkylamide bases for the in situ metalation of allyl chloride to produce (.alpha.-chloroallyl)lithium. Application of the reagent to B-alkoxy-9-borabicyclononanes producing new routes to interesting cyclooctane derivatives (1993) (11)
- An efficient synthesis of juvabione and todomatuic acid via hydroboration-carbonylation (1976) (11)
- STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 40. CARBON-13 NUCLEAR MAGNETIC RESONANCE STUDIES OF CARBOCATIONS. 8. ANOMALOUS CARBON-13 CHEMICAL SHIFTS WITH INCREASING ELECTRON DEMAND IN THE 2-ARYL-2-NORBORNYL CATIONS AND RELATED SYSTEMS (1982) (11)
- Addition compounds of alkali metal hydrides. 27. A general method for preparation of the potassium 9-alkoxy-9-boratabicyclo[3.3.1]nonanes. A new class of stereoselective reducing agents (1985) (11)
- Rates of Solvolysis of α- and β-Naphthyldimethyl- and -monomethylcarbinyl Chlorides. Steric and Electronic Effects of the Naphthalene System1,2,3 (1957) (11)
- Molecular addition compounds. 8. Carbon-13 and boron-11 NMR examination of .beta.-substituted derivatives of 9-borabicyclo[3.3.1]nonane and their pyridine complexes (1980) (11)
- Equilibration of 2-Methylnorbornanols. A Fast Acid-Catalyzed Conversion of 2-Methyl-exo-norbornanol into 2-Methyl-endo-norbornanol (1966) (11)
- Unusual rapid hydroboration of alkenes using diborane in chlorohydrocarbon solvents (2000) (11)
- Organoboranes. VIII. Structure of the thermally isomerized organoborane from the reaction of borane and 1,3-butadiene in a 1:1 molar ratio. Evidence for an exceptionally stable transannular boron-hydrogen bridge (1969) (11)
- Steric Strain in Compounds with Tertiary Butyl Groups; Steric Strain in Polyisobutylene (1946) (11)
- Hydrochlorination of bornylene and 1-methylnorbornene. Absence of a significant directive influence of the 1-methyl substituent in a carbonium ion reaction (1967) (11)
- The Reaction of Benzene and Toluene with Ethyl, Isopropyl and t-Butyl Bromides under the Influence of Aluminum Bromide; the Nature of the Transition State in Alkylation Reactions1,2 (1956) (11)
- The Hydroboration of Dienes (1959) (11)
- Solvolyses of secondary sulfonates in aqueous ethanol and acetone. Nonlinear mY relationships due to leaving group and medium effects (1981) (11)
- Steric Effects in Elimination Reactions. II. The Effect of the Steric Requirements of Alkyl Substituents upon the Extent and Direction of Unimolecular Elimination in the Solvolysis of Tertiary Alkyl Bromides (1955) (11)
- Nucleophilic hydroboration of substituted styrenes with lithium triethylborohydride. A simple, convenient procedure for the Markownikoff hydroboration of aromatically conjugated olefins and the synthesis of mixed organoboranes with the benzylic (.alpha.-arylalkyl) moiety (1977) (11)
- Exceptionally rapid thermal isomerization of B-(3-hexyl)bis(2,5-dimethylcyclohexyl)borane. A sterically enhanced, highly efficient synthetic route for the conversion of internal acyclic olefins into terminal olefins and their derivatives (1981) (11)
- An Examination of the Applicability of the Selectivity Relationship to the Electrophilic Substitution Reactions of Biphenyl and Fluorene1-3 (1962) (11)
- Stereochemistry of .beta. elimination in 2-norbornyl and 7,7-dimethyl-2-norbornyl tosylates. Evidence for the preferential attack by base on the exo-3-hydrogen in both systems (1970) (11)
- Hydroboration as a Means for the Assignment of Configurations to Alcohols and Olefins (1962) (11)
- Formation of endo-2-phenylthio-exo-3-chloro-7,7-dimethylnorbornane from the addition of benzenesulfenyl chloride to 7,7-dimethylnorbornene. Evidence for dominant steric control by 7,7-dimethyl substituents on the direction of additions to the norbornene moiety (1970) (11)
- Additions to bicyclic olefins. IX. Electrophilic addition of acetic acid and perdeuterioacetic acid to norbornene and 7,7-dimethylnorbornene. Remarkable stereoselectivity for the addition process with evidence for the capture of the 2-norbornyl cation in an unsymmetrical (classical) state (1975) (11)
- Preferential Formation of the cis Olefin in an E2 Elimination (1965) (11)
- B-(2-Azido-2-propenyl)-1,3,2-dioxaborinane: A novel reagent for allylboration (1999) (11)
- Steric Effects in Displacement Reactions. IX. Steric Strains in the Reactions of 2,6-Lutidine and 2,4,6-Collidine with Methyl Iodide and with Boron Trifluoride1 (1956) (11)
- A Remarkably Simple Route from 1,5-Cyclooctadiene to Bicyclo[3.3.1]nonan-9-one (1973) (11)
- Asymmetric ring opening of meso-epoxides with B-halobis(2-isocaranyl)boranes 2-dIcr2BX (2006) (11)
- The Light-Induced Reaction of Dialkylborinic Acids with Bromine in the Presence of Water. An Unusually Simple Procedure for the Synthesis of Highly Substituted Tertiary Alcohols (1972) (11)
- Steric Effects in Elimination Reactions. VIII. The Effect of the Steric Requirements of Pyridine Bases on the Direction of the Elimination Reaction (1956) (11)
- Hydroboration. 92. Investigation of Practical Methods for the Synthesis of Optically Pure Isopinocampheylchloroborane for the Asymmetric Hydroboration of Representative Prochiral Alkenes (1996) (11)
- Sulfuryl Chloride in Organic Chemistry (1944) (11)
- HYDROBORATION. 57. HYDROBORATION WITH 9‐BORABICYCLO(3.3.1)NONANE OF ALKENES CONTAINING REPRESENTATIVE FUNCTIONAL GROUPS (2002) (10)
- Relative Rates and Isomer Distribution in the Aluminum Chloride-catalyzed Benzenesulfonylation of Benzene and Toluene in Benzenesulfonyl Chloride Solution. Partial Rate Factors for the Benzenesulfonylation Reaction1,2 (1958) (10)
- Organoboranes. 56. Systematic study of the reactions of 1-alkenylboronic esters with representative organolithium and Grignard reagents to provide an efficient, selective synthesis of organyl-1-alkenylborinic esters (1993) (10)
- Acid—Base Studies in Gaseous Systems. VI. A Simplified Technique for Dissociation Measurements (1950) (10)
- Purification and Physical Properties of 2,6-Lutidine and 2,4,6-Collidine (1954) (10)
- 2,6-Diboraadamantane, a novel structure with unusual characteristics, via cyclic dihydroboration of 1,3,5,7-cyclooctatetraene (1979) (10)
- Addition compounds of alkali metal hydrides. 30. Rapid reaction of trialkylboranes with lithium aluminum hydride. A novel and quantitative synthesis of lithium dialkylborohydrides (1987) (10)
- The Effect of Coplanarity on the Rates of Solvolysis of Several t-Cumyl Chloride Derivatives. Electrophilic Substituent Constants for Polycyclic Aromatics1,2 (1961) (10)
- Neopentyltrimethylammonium Ion as a Strained Homomorph; the Rates of Reaction of Neopentyldimethylamine with Alkyl Iodides1,2 (1953) (10)
- Molecular addition compounds. 4. Unusually slow reaction of tertiary amines with 9-borabicyclo[3.3.1]nonane (9-BBN) dimer. New, stable, mildly reactive amine complexes of 9-BBN (1977) (10)
- A simple synthesis of bisborinane and its applicability in hydroboration for the preparation ofB-alkylborinanes (1971) (10)
- Remarkably facile and selective dehydroboration of tetramethylethylene from thexylmonoalkylboranes under the influence of triethylamine. Novel, convenient synthesis of monoalkylboranes as triethylaminates (1972) (10)
- Steric Effects in Displacement Reactions. X. A Convenient Calorimeter for Gas-Liquid Reactions. The Heats of Reaction of Trimethylboron with Pyridine and the Monoalkylpyridines1 (1956) (10)
- Hydration of Olefins, Dienes, and Acetylenes via Hydroboration (2011) (10)
- Hydroboration of terpenes I. The selective hydroboration of myrcene with disiamylborane (1963) (10)
- Reaction of alkenylboronic acids with bromine in the presence of sodium methoxide and methanol. Simple one-stage synthesis of .alpha.-bromo acetals (1975) (10)
- GENERAL SYNTHESIS OF CHIRAL BORINIC ACID ESTERS. ASYMMETRIC SYNTHESIS OF ACYCLIC KETONES VIA ASYMMETRIC HYDROBORATION-CARBENOIDATION (1982) (10)
- An Improved Synthesis of Monoisopinocampheylborane (1978) (10)
- Hydroboration. 48. Effect of structure on selective monohydroboration of representative nonconjugated dienes by 9-borabicyclo[3.3.1]nonane (2002) (10)
- FACILE OXIDATION OF TRIALKYL BORATES TO ALDEHYDES AND KETONES WITH PYRIDINIUM CHLOROCHROMATE. A REMARKABLE OXIDIZABILITY OF SUCH BORATE ESTERS AS COMPARED TO ACETATES (1979) (10)
- Stereoisomer-differentiating esterification of diols with methylboronic acid. A simple method for the separation of cis- and trans-1,2-diols (2007) (10)
- Three-carbon ring expansion of boracyclanes (1993) (10)
- Hydroboration. 91. Improved Procedure for the Synthesis of Optically Pure Bis-adducts,N,N,N,'N'-Tetramethylethylenediamine.cntdot.2-organylapoisopinocampheylboranes, from the Corresponding 2-Organylapopinenes of Lower Optical Purity. Conversion of These Adducts into 2-Organylapoisopinocampheylborane (1994) (10)
- Preparative-scale synthesis of both antipodes of B-γ,γ-dimethylallyldiisopinocampheylborane: application for the synthesis of C1–C6 subunit of epothilone (2004) (10)
- Rates and Isomer Distributions for the Bromination and Mercuration of the Monoalkylbenzenes in Trifluoroacetic Acid1-3 (1966) (10)
- Addition compounds of alkali-metal hydrides. 21. Rapid reaction of dialkyl- and monoalkylboranes with lithium aluminum hydride in the presence of triethylenediamine. A facile and quantitative synthesis of lithium dialkyl- and monoalkylborohydrides (1981) (10)
- The Light-Induced Reaction of Thexyldialkylboranes with Bromine in the Presence of Water. A New and Convenient Synthesis of Tertiary Alcohols Including Those Containing Functional Substituents (1972) (10)
- Relative Rates of the Aluminum Chloride-Catalyzed Benzoylation of the Monoalkylbenzenes in Nitrobenzene Solution. Importance of Carbon-to-Carbon Hyperconjugation in Alkyl Substituents1,2 (1958) (10)
- Organoboranes. XII. Hydroboration of 1,3-butadiene with borane in tetrahydrofuran in a ratio equal to or smaller than 1:1. Interconversion between .beta.-alkylborolanes and 1,2-tetramethylenediboranes (1971) (10)
- The Goering-Schewene diagram for the 1,2-dimethylnorbornyl system. A remarkable similarity in the diagrams for classical tertiary norbornyl cations and the secondary norbornyl species (1968) (10)
- B-STRAIN AND BASE STRENGTH (1945) (10)
- Organoboranes for synthesis. 18. C2-symmetric α,α′-disubstituted-2,6-pyridinedimethanols as catalytic chiral ligands for the enantioselective nucleophilic addition of diethylzinc to aldehydes (1997) (9)
- Kinetics of the Friedel-Crafts Sulfonylation of Benzene, Chlorobenzene and Toluene with Aluminum Chloride as Catalyst and Benzenesulfonyl Chloride as Solvent1,2 (1958) (9)
- Organoboranes. 45. An exploration of the effectiveness of representative homologating agents with various organoborane derivatives: R3B, R2BOR', and RB(OR')2 (1986) (9)
- Rate Data and Isomer Distributions in the Acetylation and Benzoylation of Ethyl-, Isopropyl- and t-Butylbenzene. Partial Rate Factors for the Acylation Reaction1 (1959) (9)
- Solvolysis of 1-(p-cyclopropylphenyl)- and 1-(p-isopropylphenyl)-1-arylethyl chlorides. Test of the tool of increasing electron demand to systems with relatively small electronic response (1975) (9)
- Organoboranes for synthesis. 9. Rapid reaction of organoboranes with iodine under the influence of base. a convenient procedure for the conversion of alkenes into iodides via hydroboration (1988) (9)
- Steric Effects in Displacement Reactions. V. The Heat of Reaction of Pyridine with Boron Trifluoride. A Convenient Calorimeter for Measuring the Heat of Formation of Molecular Addition Compounds (1955) (9)
- Rates of Solvolysis of the p-Nitrobenzoates of 1,2-Dimethyl-exo- and 1,2-Dimethyl-endo-norborneols. Further Evidence for the Absence of Significant Carbon Participation in the Solvolysis of a Tertiary Norbornyl Derivative (1964) (9)
- A General, Highly Efficient Synthesis of 1,4-, 1,5-, and 1,6-Diketones (1984) (9)
- Correspondence - The 2-norbornyl cation revisited (1986) (9)
- The Reaction of Organoboranes Containing a Tertiary Alkyl Group with Carbon Monoxide. A New Approach to the Synthesis of Highly Branched Trialkylcarbinols (1972) (9)
- Relative Rates of the Aluminum Chloride-Catalyzed Benzoylation of the Methylbenzenes in Nitrobenzene Solution1,2 (1958) (9)
- Asymmetric Synthesis Using the Bis(2,4-dimethyl-3-pentyl)-(L)-tartrate Esters of Substituted Allylboronic Acids. Synthesis of α,β-Disubstituted Tetrahydropyrans and Tetrahydrofurans. (1993) (9)
- Structural effects in solvolytic reactions. 14. Solvolysis of the 2-aryl-2-benzonorbornenyl p-nitrobenzoates. Application of the tool of increasing electron demand as a test for .pi. participation in the high exo:endo rate ratios (1976) (9)
- A Study of Transesterification of Chiral (−)-Pinanediol Methylboronic Ester with Various Structurally Modified Diols (2007) (9)
- The Hydrochlorination of 2-Methylenenorbornane and Related Derivatives. Evidence for the Absence of a Symmetrical Nonclassical Intermediate in the Hydrochlorination of 1-Methyl-d3-2-methylenenorbornane (1967) (9)
- A Regioselective Synthesis of Ketones from Alkene and Haloalkyne Precursors via Thexylchloroborane (1982) (9)
- A General, Stereoselective Synthesis oftrans-Disubstituted Alkenes via Thexylchloroborane (1982) (9)
- Structural effects in solvolytic reactions. XLVII: Effects of p-alkyl and p-cycloalkyl groups on the carbon-13 NMR shifts of the cationic carbon center in p-alkyl-tert-cumyl cations (1984) (9)
- An Examination of the Applicability of the Selectivity Relationship to the Electrophilic Substitution Reactions of t-Butylbenzene1-3 (1959) (9)
- Pheromone Synthesis via Organoboranes: A Convenient Stereospecific Synthesis of Racemic Disparlure, the Sex Pheromone of the Gypsy Moth (Porthetria dispar L.) (1983) (9)
- Structural effects in solvolytic reactions. XII. Solvolysis of 2-aryl-5-methyl- and 2,5-dimethyl-2-norbornenyl p-nitrobenzoates. Evidence for major .pi. participation revealed by the tool of increasing electron demand (1975) (9)
- Chiral synthesis via organoboranes. 37. Enantioselective synthesis of conjugated acyclic α-chiral (E)-alkenones (1993) (9)
- Molecular addition compounds. 18. Borane adducts with hydroxydialkyl sulfide borates for hydroboration. New, essentially odorless, water-soluble sulfide borane acceptors for hydroboration. (2001) (9)
- .pi. Participation and exo-endo rate ratios in the solvolysis of methoxy- and nitro-substituted benzonorbornen-2-yl derivatives (1968) (9)
- Enantiomeric (Z)- and (E)-Crotyldiisopinocampheylboranes. Synthesis in High Optical Purity of All Four Possible Stereoisomers of β-Methylhomoallyl Alcohols. (2002) (9)
- ADDITION COMPOUNDS OF ALKALI-METAL HYDRIDES. 23. PREPARATION OF POTASSIUM TRIISOPROPOXYBOROHYDRIDE IN IMPROVED PURITY (1983) (9)
- Chiral synthesis via organoboranes. 31. A simple synthesis of enantiomerically pure (Z)- and (E)-Alkenes, (Z)-RCHCHR* and (E)-RCHCHR* (1991) (9)
- Solvomercuration-demercuration. 12. The solvomercuration-demercuration of olefins in alcohol solvents with mercuric trifluoroacetate - an ether synthesis of wide generality (1985) (9)
- Structural effects in solvolytic reactions. 21. Solvolysis of 2-aryl-2-norbornyl and 2-aryl-2-camphenilyl p-nitrobenzoates. Critical examination of the importance of .sigma.-participation in the solvolysis of tertiary 2-norbornyl derivatives by the application of the tool of increasing electron dema (1977) (9)
- A convenient procedure for the direct conversion of terminal alkenes into carboxylic acids (1992) (9)
- Rates and products of acetolysis of threo-3-aryl-2-butyl brosylates. An experimental approach to the magnitude of rate accelerations attributable to aryl participation in the acetolysis and the stereochemical consequences (1969) (9)
- Organoboranes for synthesis. 10.1 the base-induced reaction of bromine with organoboranes. A convenient procedure for the conversion of alkenes into alkyl bromides via hydroboration (1988) (9)
- A simple synthesis of alkynyl ketones via thexylchloroborane (1983) (9)
- Structural effects in solvolytic reactions. V. Rates and products in the acetolysis of substituted cis-2-phenylcyclopentyl tosylates and deuterium tagged derivatives. Nature of the reaction pathway in the absence of aryl participation (1972) (9)
- Dissociation Constants and Ultraviolet and Infrared Spectra of Pyridinesulfonic Acids1 (1962) (9)
- 1 – Asymmetric Hydroboration (1983) (9)
- Solvolysis of 2-aryl-6-methoxybenzonorbornen-2-yl p-nitrobenzoates containing representative substituents in the 2-aryl group. Variation in the exo/endo rate ratio with the electron demand of the 2-aryl group (1969) (9)
- An efficient enantioselective total synthesis of a trifluoromethyl analog of blastmycinolactol (2004) (9)
- The catalytic halides—XIII the interaction of gallium trichloride with ethyl, isopropyl, n-propyl, and t-butyl chlorides (1955) (9)
- A stereoselective synthesis of (±)-trans-cycloalkanopiperidines and cycloalkanopyrrolidines via hydroboration (1993) (9)
- Dioxane−Monochloroborane: A New and Highly Reactive Hydroborating Reagent with Exceptional Properties (1999) (8)
- Steric Effects in Elimination Reactions. XII. The Reaction of Potassium t-Butoxide with Cyclic Tosylates. The Effect of Structure on the Rate and Direction of Eliminations in Cyclic Systems1 (1966) (8)
- Synthesis of ( E )-1-Alkenylalkylborinic Esters and Their Ready Conversion into Conjugated ( E )-Alkenones (1992) (8)
- Organoboranes for synthesis. 12. The reaction of organoboranes with nitrogen trichloride. A convenient procedure for the conversion of alkenes into alkyl chloridesvia hydroborationi (1988) (8)
- A remakable reversal in the direction of boron migration in the thermal isomerization of organoboranes derived from 2-methyl-2-butene (1983) (8)
- Rate Data and Isomer Distributions in Aluminum Chloride-catalyzed Acetylation and Benzoylation of Biphenyl and Fluorene in Ethylene Dichloride (1962) (8)
- ISOPINOCAMPHEYLBROMOBORANE, A NEW PROMISING REAGENT FOR THE ASYMMETRIC HYDROBORATION OF PROCHIRAL ALKENES (1996) (8)
- Chiral synthesis via organoboranes. 41. The utility of B‐chlorodiisopinocampheylborane for a general synthesis of enantiomerically pure drugs (1995) (8)
- Unusually highexo:endorate ratios in the solvolysis of 2-p-anisylcamphenilyl p-nitrobenzoates and related compounds. Further evidence for steric effects as a major factor in theexo:endorate ratios of tertiary norbornyl derivatives (1968) (8)
- Unusually powerful directive effect in the hydroboration of representative olefins with monochloroborane-ethyl etherate (1973) (8)
- Isopinocampheylchloroborane: A Promising New Reagent for Asymmetric Cyclic Hydroboration. A Simple Procedure To Convert 1-Allyl-1-cyclohexene into trans-1-Decalone of ≥99% Optical Purity (1996) (8)
- Molecular addition compounds. 6. Addition compounds of ethylenediamine with boron trifluoride and dialkylboranes (1979) (8)
- Structural effects in solvolytic reactions. 50. Steric retardation in the solvolysis of tertiary endo bicyclic derivatives. Evidence that the exo:endo rate/product ratios for typical reactions in rigid U-shaped bicyclics is a general steric phenomenon (1985) (8)
- Structural effects in solvolytic reactions. 35. Carbon-13 nuclear magnetic resonance studies of carbocations. Effect of increasing electron demand on the carbon-13 nuclear magnetic resonance shifts in 2-aryl-2-butyl and 4-aryl-4-heptyl carbocations. Correlation of the data by a new set of substituen (1981) (8)
- Facile displacement of tetramethylethylene from thexylborane-triethylamine by treatment with olefins. a convenient synthesis of monoalkylborane derivatives (1977) (8)
- 2-Isopropylapoisopinocampheylborane, an improved reagent for the asymmetric hydroboration of representative prochiral alkenes (1994) (8)
- An improved general synthesis of 1-aryl-1-cyclopropanols (1978) (8)
- Iodine induced transfer of dialkylvinylboranes produced by the hydridation of dialkylhaloboranes in the presence of 1-alkynes. Generalization of the zweifel cis- alkene synthesis (1982) (8)
- Solvolysis of Substituted 2-Aryl-exo-norbornyl Chlorides. Application of the Hammett Correlation as a Test for σ Participation in the Norbornyl System (1966) (8)
- Hydroboration. XXXIV. Cyclic hydroboration of 1,5-hexadiene with borane in tetrahydrofuran and 9-borabicyclo[3.3.1]nonane. New convenient route to the borepane ring system utilizing 9-borabicyclo[3.3.1]nonane (1973) (8)
- Recent Advances in Borane Chemistry (2001) (8)
- A simple synthesis of bis(3,5-dimethyl)borinane and bis(3,6-dimethyl)borepane as new valuable reagents via cyclic hydroboration (1971) (8)
- An Unusual Reduction of Tertiary Amides with Carbon-Nitrogen Fission (1977) (8)
- Reaction of 9-(1-Alkynyl)-9-borabicyclo[3.3.1]nonanes with Isocyanates (1979) (8)
- Selective reductions. 36. Reaction of lithium 9-boratabicyclo[3.3.1]nonane with selected organic compounds containing representative functional groups (1984) (8)
- Structural effects in solvolytic reactions. 28. Solvolysis of 1-aryl-1-cyclopropyl 3,5-dinitrobenzoates containing strongly electron-supplying aryl groups. Evidence for two distinct reaction processes involving assisted (K.DELTA.) and unassisted (Kc) mechanisms (1978) (8)
- Footsteps on the borane trail (1975) (8)
- Organoboranes : XVI. Triethylmethanol esters of tert-alkylfluoroboronic acids: a new class of organoborane intermediate remarkably stable to oxidation and alkaline hydrolysis (1973) (8)
- B,B-dihaloterpenylboranes as reagents for the diastereo- and enantioselective synthesis of syn-aldols (1997) (8)
- Hydroboration. 87. Controlled and sequential hydroboration of simple representative alkenes with methylborane in tetrahydrofuran. An examination of the directive effects in the first and second stages of hydroboration (1990) (8)
- Controlled hydroboration of alkenes by lithium borohydride induced by the reduction of carboxylic esters (1982) (8)
- A new, highly stereoselective reducing agent, potassium 9-(2,3-dimethyl-2-butoxy)-9-boratabicyclo[3.3.1]nonane (1984) (8)
- Structural effects in solvolytic reactions. XIII. Effect of increasing electron demand on the rates of solvolysis of 1-arylcyclopent-3-en-1-yl and 1-arylcyclopentyl p-nitrobenzoates. Evidence for the absence of .pi.-participation (1975) (8)
- Enantiomerically Pure Compounds via Chiral Organoboranes (1986) (8)
- Rates and products of acetolysis of trans-2-arylcyclopentyl tosylates. Evidence for major control of the stereochemistry of the substitution process by neighboring aryl in the absence of rate accelerations (1969) (8)
- Hydroboration kinetics. 4. Kinetics and mechanism of the reaction of 9-borabicyclo[3.3.1]nonane with representative haloalkenes. The effect of halogen substitution upon the rate of hydroboration (1982) (8)
- Racemic and diastereoselective synthesis of alkyl(1,3-butadien-2-yl)methanols via a novel homoallenylboration of aldehydes with diisopropyl 2,3-butadien-1-ylboronate (1995) (8)
- Organoboranes for Synthesis. 16. A Convenient Synthesis of Enantiomerically Pure Isopinocampheylamine, a Chiral Derivatizing Agent for Gas Chromatographic Analysis of Optically Active Carboxylic Acids (1996) (8)
- Relative Rate and Isomer Distribution in the Gallium Bromide-catalyzed Benzylation of Benzene and Toluene1 (1959) (8)
- The Presence of Indole in “Practical” α-Methylnaphthalene (1940) (8)
- Science Over Politics (1999) (8)
- Rearrangement in the Reaction of 2,3,4-Trimethyl-3-pentanol with Hydrochloric Acid; Chlorination of 2,3,4-Trimethylpentane1 (1951) (8)
- Kinetics of the Friedel-Crafts Sulfonylation of Aromatics with Aluminum Chloride as Catalyst and Nitrobenzene as Solvent1,2 (1958) (8)
- Structural effects in solvolytic reactions. 30. Solvolysis of 2-(5'-coumaranyl)-2-norbornyl p-nitrobenzoates. Evidence for unimportance of .sigma. participation as a factor in high exo/endo rate, product ratios realized in solvolysis of exceptionally highly stabilized tertiary 2-norbornyl derivative (1979) (7)
- Relationship between the structure and enantioselectivity in the asymmetric reduction of 2′,6′-disubstituted acetophenones with DIP-ChlorideTM. An ab initio study (2004) (7)
- Remarkably high stereoselectivity in the addition of acetic acid and trifluoroacetic acid to norbornene. Evidence for the capture of the norbornyl cation in an unsymmetrical state (1970) (7)
- Hydroboration. 67. Cyclic hydroboration of acyclic .alpha.,.omega.-dienes with 9-borabicyclo[3.3.1]nonane/borane-dimethyl sulfide (1984) (7)
- Reaction of organoboranes with methoxycarbene, and reaction of dichloromethyl methyl ether with at-complex obtained from organoboranes and methyl lithium (1969) (7)
- Rates and Isomer Distributions for the Mercuration of the Monohalobenzenes in Trifluoroacetic Acid. Partial Rate Factors for the Mercuration Reaction1-3 (1966) (7)
- Organoboranes. 47. An extremely facile elimination of alkenes from dialkylhaloboranes. A comparative rate study with related trialkylboranes (1986) (7)
- Steric Effects in Elimination Reactions. VI. The Effect of the Steric Requirements of the Alkyl Group on the Direction of Bimolecular Elimination (1956) (7)
- Thermal isomerization of 3-hexyldicycloalkylboranes: evidence for an important steric factor on the rate of isomerization and equilibrium distribution (1982) (7)
- Sixty Years of Hydride Reductions (1997) (7)
- A facile synthesis of α-chloroboronic esters via the base induced reaction of α,α-dichloromethyl methyl ether with hindered borinic esters (1974) (7)
- Unusual changes in mechanism and reaction course in the reaction of bromine with β-alkyl-9-borabicyclo[3.3.1]nonanes (1977) (7)
- An exceptionally facile homolytic displacement in the reaction of nitrogen trichloride with trialkylboranes (1977) (7)
- Molecular addition compounds. 14. Convenient preparations of representative dialkylborane reagents using the new, highly reactive N-ethyl-N-isopropylaninine-borane reagent (BACH-EI™) (1999) (7)
- SOLVOLYSIS OF THE 2-(3,5-BIS(TRIFLUOROMETHYL)PHENYL)-2-NORBORNYL P-NITROBENZOATES AND THE 1-ARYLCYCLOPENTYL P-NITROBENZOATES. FAILURE OF A FURTHER INCREASE IN ELECTRON DEMAND TO ALTER THE EXO/ENDO RATE RATIO (1975) (7)
- An Efficient Enantioselective Synthesis of Argentilactone. (1999) (7)
- Monobromoborane: Dimethyl Sulfide; A New Stable Reagent for Hydroboration, Providing a General Synthesis of Dialkylbromoboranes and their Derivatives (1977) (7)
- A convenient procedure for the quantitative generation of carbocations in super acid media (1976) (7)
- Solvolysis of 2-aryl-2-norbornyl p-nitrobenzoates containing deactivating substituents in the aromatic ring. A new technique for evaluating the importance of sigma participation in the solvolysis of norbornyl derivatives (1968) (7)
- Chiral Synthesis via Organoboranes. 47. Efficient Synthesis of Unsymmetrical Ketones and Enantiomerically Pure Spiroketals Using (+/-)-Isopinocampheyldichloroborane. (1998) (7)
- Solvolysis of 1-(p-Anisyl)camphene Hydrochloride in the Presence of Sodium Borohydride. PredominantexoSubstitution in the Highly Stabilized 2-(p-Anisyl)bornyl Cation (1964) (7)
- A highly regio- and chemoselective synthesis of vicinal bromohydrins by ring opening of terminal epoxides with dibromoborane–dimethyl sulfide (2007) (7)
- A general, efficient, convenient synthesis of chiral bis(terpenyl)haloborane reagents, valuable for asymmetric synthesis via organoboranes (1996) (7)
- Solvolysis of 2-aryl-2-bicyclo[2.1.1]hexyl p-nitrobenzoates. Evidence for the absence of .sigma.-participation by the application of the tool of increasing electron demand (1977) (7)
- Organoboranes. 52. The successful ring enlargement of boracyclanes via sequential one‐carbon homologation: The first synthesis of boracyclanes in the strained medium‐ring range (1990) (7)
- Kinetic Study of the Aluminum Chloride-Catalyzed Benzoylation of Benzene and Toluene in Nitrobenzene Solution. Partial Rate Factors for the Benzoylation Reaction1-3 (1957) (7)
- Light-induced reaction of boracyclanes with bromine in the presence of water. Ring contraction of boracyclanes to produce carbocyclic structures (1973) (7)
- SELECTIVE REDUCTIONS. 36. REACTION OF LITHIUM 9-BORATABICYCLO(3.3.1)NONANE WITH SELECTED ORGANIC COMPOUNDS CONTAINING REPRESENTATIVE FUNCTIONAL GROUPS (1985) (7)
- Comparison of the Rates of Solvolysis of Representative Norbornyl and Cyclopentyl Derivatives. A Critical Examination of Rates as a Basis for the Postulated Nonclassical Structure of Norbornyl Cations (1964) (7)
- Exceptionally fast rate of solvolysis for 2-tert-butyl-2-exo-norbornyl p-nitrobenzoate. Norbornyl derivatives which provide solvolysis products with significant quantities of the endo isomer (1974) (7)
- Rates of Solvolysis of Phenyldimethylcarbinyl Chlorides Containing Substituents (-NMe3+,-CO2-) Bearing a Charge1,2 (1958) (7)
- Chemical Effects of Steric Strains. III. The Effect of the Halogen on the Rate of Hydrolysis of Tertiary Aliphatic Halides (1950) (7)
- SELECTIVE REDUCTIONS. 25. REMARKABLY FACILE REDUCTIVE OPENING OF CYCLIC ETHERS BY THE LITHIUM TRI‐TERT‐BUTOXYALUMINOHYDRIDE‐TRIETHYLBORANE COMBINATION (2002) (7)
- STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 29. SOLVOLYSIS OF TERTIARY ALLYLIC P-NITROBENZOATES. EFFECT OF THE ALLYLIC DOUBLE BOND ON THE RATES OF SOLVOLYSIS OF REPRESENTATIVE TERTIARY P-NITROBENZOATES (1978) (7)
- An anomalous course for the hydrogen peroxide oxidation of “ate» complexes of 9-borabicyclo [3.3.l]- nonane (1975) (7)
- Solvolysis of the 2-aryl-2-norbornenyl p-nitrobenzoates. Constant exo:endo rate ratio with increasing electron demand by the 2-aryl group (1973) (6)
- Organoboranes. Part 43. A Convenient, Highly Efficient Synthesis of Triorganylboranes via a Modified Organometallic Route. (1986) (6)
- Rapid reaction of trialkylboranes with lithium aluminum hydride in the presence of triethylenediamine. Facile and quantitative synthesis of lithium trialkylborohydrides including derivatives with exceptionally large steric requirements (1979) (6)
- Hydroboration. 63. Kinetics and regiospecificity of the hydroboration of isomeric cis- and trans-alkenes via 9-borabicyclo[3.3.1]nonane (9-BBN). Effects of 1,1- and 1,2-dialkyl interactions (1983) (6)
- Some recent applications of hydroboration/organoborane chemistry to heterocycles (1990) (6)
- An unusual solvent effect in the reaction of ethylmagnesium bromide with triethylborane in ethyl ether or tetrahydrofuran. A simple direct route to tetraorganylborate complexes (1986) (6)
- Pheromone synthesis via organoboranes: a stereoselective synthesis of (E)-1, 3-alkenynes via thexylchloroborane-dimethyl sulfide (1986) (6)
- Structural effects in solvolytic reactions. 49. Steric effects as a major factor in the exo:endo rate ratios for the solvolysis of 2,7,7-trimethyl- and 2,6,6-trimethyl-2-norbornyl p-nitrobenzoates (1985) (6)
- Dibromoborane-Dimethyl Sulfide and Monobromoborane-Dimethyl Sulfide as Superior Reagents for the Opening of Oxiranes to Bromohydrins (1998) (6)
- Pheromone Synthesis via Organoboranes: A General One-Pot Synthesis of (E)-6-Alken-1-ols (1984) (6)
- The Action of Carbon Disulfide on Trimethylamine and Trimethylphosphine (1949) (6)
- Chiral synthesis via organoboranes. 45. Asymmetric hydroboration of 1-cyclopentenol derivatives using diisopinocampheylborane. Synthesis of optically active cyclopentane-1,2-diol derivatives of high optical purity☆ (1999) (6)
- Perchloric Acid Catalyzed Aromatic Mercuration in Acetic Acid Solution. III. Relative Reactivity of Aromatic Substrates (1967) (6)
- Relative Rates and Isomer Distributions in the Bromination of Biphenyl and Fluorene in Acetic Acid. Partial Rate Factors for the Bromination Reaction1-3 (1962) (6)
- Hydroboration. 89. Preparation of Diborane, a sterically hindered monoalkylborane. Comparison with thexylborane (1993) (6)
- Organoboranes for synthesis. 13. Simple, efficient syntheses of long-chain alcohols and carboxylic acids. (1992) (6)
- Investigations in the synthesis of alkyl-substituted borohydrides (1982) (6)
- Carbonylation of mixed trialkylboranes. Evidence for the intramolecular nature of the transfer of groups from boron to carbon in the carbonylation reaction. Synthesis of unsymmetrical ketones, RR'CO (1967) (6)
- Relative effects of a methyl and tert-butyl group on the rates of solvolysis of tertiary p-nitrobenzoates. Evidence for major increases in steric effects with increasing rigidity of the parent system (1974) (6)
- RATES AND PRODUCTS OF SOLVOLYSIS OF 2-METHYL-2-NORBORNENYL AND 2,5-DIMETHYL-2-NORBORNENYL P-NITROBENZOATES. EVIDENCE FOR INCREASING PI-PARTICIPATION WITH INCREASING ELECTRON DEMAND (1975) (6)
- Solvolysis of Some Representative Norbornyl Derivatives in the Presence of Borohydride.exoSubstitution as a Basis for the Postulated Nonclassical Structure of the Norbornyl Cation (1964) (6)
- Molecular Addition Compounds. 13. N,N-Diisopropyl-N-isobutylamine−Borane: The First Highly Reactive Trialkylamine−Borane Reagent for Hydroborations (1999) (6)
- Molecular Addition Compounds. I. The Interaction of Ammonia with Ammonia-Boron Trifluoride at Low Temperatures1 (1954) (6)
- Improved Arc Process for the Preparation of Diborane. Purification of Diborane1 (1953) (6)
- Structural effects in solvolytic reactions. 33. Exo-endo rate ratios in solvolysis of 2-norbornyl chlorides in aqueous acetone of widely variable water content (1980) (6)
- Kinetics and Relative Rates of the Gallium Bromide Catalyzed Reactions of Alkyl Bromides with Aromatics1,2 (1956) (6)
- High exo:endo rate ratios in the solvolysis of the 2-methyl- and 2-phenyl-exo-5,6-trimethylene-2-norbornyl p-nitrobenzoates. Evidence for the unimportance of .sigma. participation in the high exo:endo rate ratios in tertiary norbornyl derivatives (1969) (6)
- Chiral Synthesis via Organoboranes. Part 27. Remarkably Rapid and Exceptionally Enantioselective (Approaching 100% ee) Allylboration of Representative Aldehydes at ‐100°C Under New Salt‐Free Conditions. (1991) (6)
- An Improved Synthesis Route to Functionalized 2-Alkyn-1-ylboronates: Useful Intermediates for the Preparation of α-Allenic Alcohols (2008) (6)
- Dimethoxyboron bromide – a new, efficient, regio- and chemoselective reagent for the conversion of terminal epoxides into bromohydrins (2006) (6)
- Hydroboration kinetics. 9. Kinetics and mechanism of the complex formation of 9-borabicyclo[3.3.1]nonane dimer with representative amines. Effect of steric hindrance on the reaction mechanism (1983) (6)
- The Preparation and Properties of Sodium Tetraalkoxyborohydrides1,2 (1956) (6)
- IMPROVED PROCEDURE FOR BORANE-DIMETHYL SULFIDE REDUCTION OF CARBOXYLIC ESTERS (1981) (5)
- New Methods of α-Bromination of Organoboranes in the Presence of Water. Convenient and General Synthesis of Highly Substituted Tertiary Alcohols (1972) (5)
- Kinetics and Relative Rates of the Gallium Bromide-Catalyzed Reactions of Alkyl Bromides with Aromatic Hydrocarbons in 1,2,4-Trichlorobenzene Solution (1963) (5)
- The nonclassical ion problem - twenty years later (1982) (5)
- THE CONVENIENT STEREOSPECIFIC SYNTHESIS OF TERMINAL ACETYLENES VIA THE TREATMENT OF LITHIUM ETHYNYLTRIALKYLBORATES WITH IODINE (1974) (5)
- 9-BORABICYCLO(3.3.1)NONANE AS A HIGHLY SELECTIVE REDUCING AGENT FOR THE FACILE CONVERSION OF ALPHA,BETA-UNSATURATED ALDEHYDES AND KETONES TO THE CORRESPONDING ALLYLIC ALCOHOLS IN THE PRESENCE OF OTHER FUNCTIONAL GROUPS (1975) (5)
- Relative Rates and Isomer Distributions in the Gallium Bromide-catalyzed Ethylation of Biphenyl and Toluene in Ethylene Dichloride (1962) (5)
- The 2-Norbornyl Cation (1977) (5)
- Structural effects in solvolytic reactions. 15. Solvolysis of 1-arylcyclohexyl and 1-arylcyclohex-2-enyl p-nitrobenzoates. Effect of increasing electron demand on the contributions of an allylic double bond in the solvolysis of tertiary cyclohex-2-enyl derivatives (1976) (5)
- A simple general synthesis of dialkylboranes (1971) (5)
- Asymmetric Synthesis using Organoboranes. Relative Effectiveness of the B-Halobis(terpenyl)boranes for the Enantioselective Halogenative Cleavage of Representative meso-Epoxides ∗ (2007) (5)
- Organoboranes for synthesis. 11.1 preparation of alkyl bromides in the dark reaction of bromine with organoboranes2,3 exceptional reactivity toward radical bromination of the alpha hydrogen in trialkylboranes (1988) (5)
- Asymmetric Synthesis of Goniothalamin, Hexadecanolide, Massoia Lactone, and Parasorbic Acid via Sequential Allylboration—Esterification Ring-Closing Metathesis Reactions. (2000) (5)
- An Efficient Synthesis of N‐Unsubstituted Imines as Organoborane Adducts Stable at Room Temperature: New Promising Intermediates for Synthesis. (2000) (5)
- The reaction of alkynes with dichloroborane ethyl etherate in the presence of boron trichloride. A simple, general synthesis of alkenyldichloroboranes (1973) (5)
- Diisopinocampheylborane as a Reagent for the Production of Optically Active Olefins and the Establishment of Their Configuration (1962) (5)
- CONVENIENT NEW PROCEDURES FOR THE HYDROBORATION OF OLEFINS (1959) (5)
- Hydroboration. XXIX. The Hydroboration of Allylic Chlorides a Study of Directive Effects and the Elimination Reaction (1968) (5)
- Additions to bicyclic olefins. II. A convenient synthesis of apobornene and apocamphor. (1970) (5)
- Structural effects in solvolytic reactions. 45. Carbon-13 NMR studies of carbocations. 9. Variation of the cationic carbon chemical shifts with increasing electron demand in 1,1-diaryl-1-ethyl carbocations. Importance of the inductive localized .pi.-polarization effect in causing deviations from lin (1983) (5)
- Lithium triethylborohydride and monomeric aluminium t-butoxide as the active intermediates in the reductive opening of tetrahydrofuran and related ethers by the triethylborane induced reaction of lithium tri-t-butoxyaluminohydride (1972) (5)
- Structural effects in solvolytic reactions. 36. Effect of increasing electron demand on carbon-13 NMR shifts in the 1-aryl-1-cyclohexyl and 1-aryl-1-cycloheptyl carbocations. Further test of the ability of the .sigma.C+ constants to correlate carbon-13 NMR shifts (1981) (5)
- 45.1 – Organoboron Compounds in Organic Synthesis — An Introductory Survey (1982) (5)
- The Borane Adventure — Past, Present and Future† (1985) (5)
- Stereospecific synthesis of the B-(Z)-1-alkenyl-9-borabicyclo[3.3.1]nonanes not available via hydroboration (1986) (5)
- Solvomercuration-demercuration. 10. Oxymercuration-demercuration of olefins with the mercuric salts: acetate, trifluoroacetate, nitrate, and methanesulfonate (1981) (5)
- Asymmetric synthesis of both enantiomers of α-(4-fluorophenyl)-4-(2-pyrimidinyl)-1-piperazinebutanol: Potential antipsychotic agents (1993) (5)
- Chemical effects of steric strains. 24. Carbon-13 NMR study of the interaction of 9-borabicyclo[3.3.1]nonane with amines of increasing steric requirements (1980) (5)
- Rates of solvolysis of the p-nitrobenzoates of the tertiary 2-methyl- and 3-methyl-cis-bicyclo[3.3.0]octanols. Evidence for steric hindrance to ionization in the endo derivatives (1967) (5)
- Structural effects in solvolytic reactions. 37. Effect of increasing electron demand on carbon-13 NMR shifts in the 9-aryl-exo-5,6-trimethylene- and 9-aryl-endo-5,6-trimethylene-9-norbornyl carbocations. Effect of the cationic carbon center on remote carbon atoms in the skeleton as revealed by incre (1981) (5)
- Structural effects in solvolytic reactions. 20. Solvolysis of 2-p-anisyl-2-norbornyl and 2-p-anisyl-2-camphenilyl p-nitrobenzoates. Unimportance of .sigma.-participation as a factor in the high exo:endo rate and product ratios in the solvolysis of highly stabilized tertiary 2-norbornyl derivatives (1977) (5)
- Structural effects in solvolytic reactions. 32. Effect of increasing electron demand on the rates of solvolysis of 2-aryl-3-methylene-2-norbornyl p-nitrobenzoates. High exo/endo rate and product ratios for tertiary derivatives of the accepted classical 3-methylene-2-norbornyl system (1979) (5)
- Catalytic halides. XXXII. Directive effects in aromatic substitution. 60. Kinetics of the gallium chloride catalyzed methylation of toluene and the xylenes in excess methyl chloride. Partial rate factors for the methylation reaction (1969) (5)
- Efficient diastereoselective synthesis of anti-α-bromo-β-hydroxyketones (1999) (5)
- Solvolysis of the 2-aryl-5-methyl-2-norbornenyl p-nitrobenzoates. Evidence for .pi. participation as a factor in the variation of the rates and products with increasing electron demand at the cationic center (1974) (5)
- Hydroboration kinetics. 8. Kinetics and mechanism of protonolysis of 9-borabicyclo[3.3.1]nonane dimer with representative alcohols and phenols (1983) (5)
- Chiral Synthesis via Organoboranes. Part 40. Selective Reductions. Part 55. A Simple One‐Pot Synthesis of the Enantiomers of ( Trifluoromethyl)oxirane. A General Synthesis in High Optical Purities of α‐Trifluoromethyl Secondary Alcohols via the Ring‐Cleavage Reactions of the Epoxide. (1995) (5)
- The selectivity principle and the question of the bridged structure of the 2-norborynyl cation. (1974) (5)
- Meerwein and equilibrating carbocations (1979) (5)
- Rate Data for the Bimolecular Elimination Reactions of the t-Amyl Halides. Further Evidence for the Concerted Nature of Bimolecular Eliminations (1954) (4)
- Chiral Synthesis via Organoboranes. Part 7. Diastereoselective and Enantioselective Synthesis of erythro‐ and threo‐β‐Methylhomoallyl Alcohols via Enantiomeric (Z)‐ and (E)‐Crotylboranes. (1987) (4)
- Exceptionally rapid thermal isomerization of B-(3-hexyl)-bis(bicyclo[2.2.2]octyl)borane. A convenient and highly efficient synthetic route for the conversion of internal acyclic olefins into terminal olefins and their derivatives (1983) (4)
- exo-endo Rate Ratios in the Solvolysis of Tertiary 2-Benznorbornenyl p-Nitrobenzoates. Evidence for the Absence of Significant Carbon Participation as a Factor in the exo-endo Rate Ratios (1966) (4)
- Organoboranes. 36. A Simple, General Synthesis of Alkynyl Ketones1 and [E]‐1,3‐Alkenynes via Thexylchloroborane‐Dimethyl Sulfide (1984) (4)
- Additions and Corrections - Hydroboration. XXXVI. A Direct Route to 9-Borabicyclo-[3.3.1]nonane via the Cyclic Hydrobarotion of 1,5-Cyclooctadiene. 9-Borabicyclo[3.3.1]nonane as a Uniquely Selective Reagent for the Hydroboration of Olefins. (1975) (4)
- ADDITION COMPOUNDS OF ALKALI-METAL HYDRIDES. 21. RAPID REACTION OF DIALKYL- AND MONOALKYLBORANES WITH LITHIUM ALUMINUM HYDRIDE IN THE PRESENCE OF TRIETHYLENEDIAMINE. A FACILE AND QUANTITATIVE SYNTHESIS OF LITHIUM DIALKYL- AND MONOALKY (1982) (4)
- Relative Rates and Isomer Distributions in the Gallium Bromide-Catalyzed Ethylation of the Halobenzenes in Ethylene Dichloride. Partial Rate Factors for the Ethylation Reaction (1962) (4)
- SYNTHETIC APPLICATIONS OF ORGANOBORANES: A SIMPLE SYNTHESIS OF DIHYDROJASMONE (1983) (4)
- B,B-Dihaloalkylboranes as efficient reagents for the stereoselective synthesis of syn-aldols☆ (1997) (4)
- Studies in Stereochemistry. XVI. The Relative Stability of Addition Compounds of Boron Trifluoride with Aromatic Nitriles (1950) (4)
- Chiral Synthesis via Organoboranes. Part 39. A Facile Synthesis of . gamma.-Substituted-γ-butyrolactones in Exceptionally High Enantiomeric Purity. (2010) (4)
- REDUCTION OF ORGANIC COMPOUNDS WITH SODIUM ALUMINUM HYDRIDE IN THEORETICAL AMOUNT (1994) (4)
- Chiral Synthesis via Organoboranes. Part 21. Allyl- and Crotylboration of α-Chiral Aldehydes with Diisopinocampheylboron as the Chiral Auxiliary. (1989) (4)
- Hydroboration. Part 76. Hydroboration of Cyclic Dienes with Representative Hydroborating Agents. (1986) (4)
- Reaction of the cyclic organoboranes from dienes with methyl vinyl ketone. A convenient synthesis of ω-hydroxy-ketones from dienes via hydroboration (1969) (4)
- BIS-3-METHYL-2-BUTYLBORANE AS A SELECTIVE REAGENT FOR THE COMPETITIVE HYDROBORATION OF OLEFINS AND DIENES (1960) (4)
- Steric Effects in Elimination Reactions. IV. The Question of Rearrangements as a Factor in the Extent and Direction of Unimolecular Elimination (1955) (4)
- Asymmetric hydroboration of [ E ]- and [ Z ]-2-methoxy-2-butenes. Synthesis of (−)-[2 R ,3 R ]-butane-2,3-diol in >97% ee (2000) (4)
- Rates and products of acetolysis of cis-2-arylcyclopentyl tosylates and a deuterium-tagged derivative, 1-d1-cis-2-phenylcyclopentyl tosylate (1969) (4)
- SOLVOLYSIS OF 9-ARYL-9-PENTACYCLO(4.3.0.02,4.03,8.05,7)NONYL P-NITROBENZOATES. UNAMBIGUOUS EVIDENCE FOR THE PRESENCE OF CARBON PARTICIPATION BY TH APPLICATION OF THE TOOL OF INCREASING ELECTRON DEMAND (1977) (4)
- Pheromone Synthesis via Organoboranes: A Simple Synthesis of (Z)-5-Undecen-2-one, A Ketone from the Pedal Gland of the Bontebok (Damaliscus dorcas dorcas) (1984) (4)
- Chemical effects of steric strains. 25. Steric effects as a factor in the stability of addition compounds of borinane with amines (1981) (4)
- Rate enhancing effect of hydrogen chloride and methanesulfonic acid on the intramolecular asymmetric reduction of 0-aminoaceto- and -benzophenones with diisopinocampheylborane☆ (1997) (4)
- Structural effects in solvolytic reactions. 43. Effect of increasing electron demand on the carbon-13 NMR shifts for 2-aryl-3-methyl-2-butyl cations. A static system becoming an equilibrating system with electron-withdrawing substituents (1983) (4)
- MOLECULAR ADDITION COMPOUNDS. 12. BORANE ADDUCTS OF TRIALKYLAMINES WITH ISOPROPYL AND ISOBUTYL GROUPS OF INTERMEDIATE STERIC REQUIREMENTS FOR HYDROBOR ATION (1999) (4)
- HYDROBORATION AS A CONVENIENT SYNTHETIC ROUTE TO THE ALIPHATIC BORONIC AND BORINIC ACIDS AND ESTERS (1960) (4)
- A REMARKABLY LARGE SOLVOLYTIC RATE ENHANCEMENT DUE TO RELIEF OF GROUND STATE LEAVING GROUP STRAIN (1974) (4)
- Effect of a homoallylic double bond on the rates of solvolysis of 1-phenylcyclopentyl and 2-phenyl-2-norbornanyl p-nitrobenzoates. Evidence for the absence of .pi.-participation as a factor in the high exo:endo rate ratio in the 2-phenyl-2-norbornenyl system (1972) (4)
- A novel regiospecific alkylation of the aromatic nucleus via lithium trialkylborohydrides and aryl sulfones (1983) (4)
- Efficient Synthesis of B-Iododialkyl- and B-Alkyldiiodoboranes as Their Acetonitrile Complexes: Application for the Enolboration - Aldolization of Ethyl Ketones (2002) (4)
- Hydroboration. 94. Rates of Hydroboration of 2-Organylapopinenes with 9-Borabicyclo[3.3.1]nonane, Providing B-(2-Organylapoisopinocampheyl)-9-borabicyclo[3.3.1]nonanes, Potentially Valuable for the Asymmetric Reduction of Prochiral Ketones (1997) (4)
- GREAT OAKS FROM LITTLE ACORNS GROW - FROM BORANES TO ORGANOBORANES (NOBEL LECTURE) (1980) (4)
- Methylborane - a remarkable unhindered monoalkylborane which achieves the controlled sequential hydroboration of representative alkenes (1988) (4)
- Monobromoborane–Dimethyl Sulfide—a Highly Promising Reagent for the Regio- and Chemoselective Brominative Cleavage of Terminal Epoxides into Vicinal Bromohydrins (2007) (4)
- Solvomercuration-demercuration. 7. Regio- and stereochemistry of the oxymercuration-demercuration of alkyl-substituted cyclohexenes and cyclopentenes (1979) (4)
- Potassium 9-O-(1,2:5,6-Di-O-isopropylidene-α-D-glucofuranosy1)-9-boratabicyclo[3.3.1]nonane. A New, Effective Chiral Borohydride Reagent. (1986) (4)
- Reaction of diborane in tetrahydrofuran with styrene oxide and related epoxides in the presence of boron trifluoride. A convenient anti-Markovnikov reductive opening of such epoxides (1968) (3)
- Evidence for steric hindrance to ionization in the slow rates of solvolysis of the tertiary 2-,8-, and 9-phenyl-endo-5,6-trimethylene-endo-norbornanyl p-nitrobenzoates. An unusually high exo:endo rate ration not involving .sigma. participation (1969) (3)
- A Correlation between the Electronegativity1Series of Organic Radicals and Bond Moments (1939) (3)
- Structural effects in solvolytic reactions. 31. High exo:endo rate and product ratios in the solvolyses of the 2-methyl-, 2-phenyl-, and 2-(5'-coumaranyl)-exo-5,6-trimethylene-2-norbornyl p-nitrobenzoates (1979) (3)
- Applications of Thexylmonoalkylboranes to the Stereoselective Synthesis of trans Disubstituted Olefins (2002) (3)
- Structural effects in solvolytic reactions. 41. The effect of coplanarity on the carbon-13 NMR shifts of substituted o-methyl-tert-cumyl cations (1982) (3)
- 9-BORABICYCLO(3.3.1)NONANE, A MOST UNUSUAL HETEROCYCLIC DIALKYLBORANE (1977) (3)
- Structure of the Chlorides from 2,2,3-Trimethyl-3-pentanol and 2,3,3-Trimethyl-2-pentanol; Steric Effects as a Factor in the Rearrangements of Highly Branched Carbonium Ions1 (1954) (3)
- Structural effects in solvolytic reactions. 24. Solvolysis of 1-cycloalkyl-1-aryl-1-ethyl p-nitrobenzoates. Effect of .alpha.-cycloalkyl groups in stabilizing an electron-deficient center as revealed by the tool of increasing electron demand (1978) (3)
- Use of (±)-isopinocampheyldichloroborane for the efficient synthesis of unsymmetrical ketones via stepwise hydroboration of alkenes (1996) (3)
- Structural effects in solvolytic reactions. 44. Effect of increasing electron demand on the carbon-13 NMR shifts in 1-aryl-1-hydroxyethyl carbocations. Deviations in the .sigma.C+-.DELTA..delta.C+ plot for these protonated acetophenones containing strongly electron-withdrawing substituents (1983) (3)
- Structural effects in solvolytic reactions. 46. Carbon-13 NMR studies of carbocations. 11. Anomalous carbon-13 chemical shifts with increasing electron demand in a model classical 2-norbornyl system, the 2-aryl-3-methylene-2-norbornyl cations (1984) (3)
- Hydroboration. 93. Convenient Conversion of Optically Pure 2-Organylapopinenes into the (2-Organylapoisopinyl)dihaloboranes Potentially Valuable for Asymmetric Synthesis via Chiral Organoboranes (1996) (3)
- Rates and products of solvolysis of 2-methyl-2-norbornenyl and 2,5-dimethyl-2-norbornenyl p-nitrobenzoates. Evidence for increasing .pi.-participation with increasing electron demand (1975) (3)
- Hydroboration of Terpenes. 11. Convenient Method for Upgrading 2-Organylapopinenes to High Optical Purity by Reaction of 2-Organylapoisopinocampheylboranes with Suitable Dienes Followed by Displacement with Acetaldehyde (1994) (3)
- STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 30. (1979) (3)
- The facile displacement of 2,3-dimethyl-2-butene in the reaction of bulky olefins with thexylcycloalkylboranes. A convenient synthetic route to certain mixed organoboranes (1972) (3)
- Nobel laureates' letter to President Bush. (2001) (3)
- A rapid rearrangement of α-bromoethylborane induced by electrophilic reagents (1972) (3)
- Hydroboration. Part 72. Hydroboration-Oxidation of 1,4-Epoxy-1,4-dihydronaphthalene with and without Ring Opening. (1985) (3)
- Adventures in Research (1981) (3)
- Structural effects in solvolytic reactions. 48. Rates of ethanolysis of camphene hydrochloride and related .alpha.-methyl-substituted 1-chloro-1-methylcyclopentanes. Is the rate of ethanolysis of camphene hydrochloride exceptionally high? (1985) (3)
- Rate Data and Isomer Distributions in the Reaction of t-Butylbenzene with Mercuric Acetate in Acetic Acid Solution. Partial Rate Factors for the Mercuration Reaction1-3 (1959) (3)
- Organoboranes for synthesis. 3. oxidation of organoboranes with aqueous chromic acid. a convenient synthesis of ketones from alkenes via hydroboration (1986) (3)
- Foundations of the structural theory (1959) (3)
- New Economical, Convenient Procedures for the Synthesis of Catecholborane. (2001) (3)
- Studies on the Properties of Thexylboronic Acid and Its Derivatives (2005) (3)
- Steric Strains and the Anomalous Base Strengths of the Methylamines (1943) (3)
- Chiral Synthesis via Organoboranes. Part 13. A Highly Diastereoselective and Enantioselective Addition of ((Z)-γ-Alkoxyallyl)diisopinocampheylboranes to Aldehydes. (1988) (3)
- THE PREPARATION OF DIBORANE (1951) (3)
- STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 47. EFFECTS OF P-ALKYL AND P-CYCLOALKYL GROUPS ON THE CARBON-13 NMR SHIFTS OF THE CATIONIC CARBON CENTER IN P-ALKYL-TERT-CUMYL CATIONS (1984) (3)
- A fast reversible equilibrium in the reaction of olefins with mercuric trifluoroacetate in aprotic solvents. Nature of the addition compounds (1969) (3)
- Asymmetric Syntheses via Chiral Organoboranes Based on α‐Pinene (1997) (3)
- Stereoselective Synthesis of cis- and trans-β, γ-Unsaturated Carboxylic Esters via Reaction of 1-Alkenyldichloroboranes with Ethyl Diazoacetate (1991) (3)
- Improved Procedure for the Synthesis ofgem-Dichlorocyclopropanes from Alkenes (1974) (3)
- Improved Procedure for the Synthesis of gem-Dichlorocyclopropanes from Alkenes (1974) (3)
- Rates of solvolysis of the p-nitrobenzoates of tertiary 8- and 9-methyl-endo-5,6-trimethylenenorbornanols. Evidence for steric hindrance to ionization in the endo derivatives (1967) (3)
- The photochemically induced reaction of bromotrichloromethane with triethylborane and related trialkylboranes. A new route to α-bromination of trialkylboranes (1971) (3)
- Rate of Solvolysis of 1-(p-Anisyl)camphene Hydrochloride. Evidence for the Absence of Significant Carbon Participation in the Solvolysis of a Tertiary Norbornyl Derivative (1964) (3)
- Hydroboration. 96. Synthesis and Chemistry of Sterically Modified α-Pinene-Related 2-Organylapoisopinocampheylchloro- and -bromoboranes, Potentially Valuable for Asymmetric Hydroboration (1998) (3)
- Kinetics, Relative Rate and Partial Rate Factors for the Gallium Bromide-catalyzed Reaction of Isopropyl Bromide with Toluene and Benzene1 (1959) (3)
- High exo: endo rate ratio and predominant exo substitution in the solvolysis of 2-p-anisyl-2-norbornenyl derivatives. Evidence for a high exo: endo rate ratio in a 2-norbornenyl derivative solvolyzing without significant .pi. participation (1972) (3)
- Chiral Synthesis via Organoboranes. Part 18. Selective Reductions. Part 43. Diisopinocampheylchloroborane as an Excellent Chiral Reducing Reagent for the Synthesis of Halo Alcohols of High Enantiomeric Purity. A Highly Enantioselective Synthesis of Both Optical Isomers of Tomoxetine, Fluoxetine, and (1988) (2)
- Reaction of Aluminum Hydride-Triethylamine Complex with Selected Organic Compounds Containing Representative Functional Groups. (2010) (2)
- HYDROBORATION. 51. HYDROBORATION OF REPRESENTATIVE ALLENES WITH 9-BORABICYCLO(3.3.1)NONANE. AN EXCEPTIONAL DIRECTIVE EFFECT PROVIDING A DIRECT SYNTHESIS OF B-ALLYL-9-BORABICYCLO(3.3.1)NONANE DERIVATIVES (1979) (2)
- Structural effects in solvolytic reactions. 42. Effect of increasing electron demand on the carbon-13 NMR shifts for substituted 9-methyl-9-anthracenium cations. Evidence for the unimportance of steric hindrance to coplanarity in causing anomalous carbon-13 NMR shifts (1982) (2)
- Convenient Technique for Micro Zerewitinoff Determinations (1954) (2)
- exo-cis Addition of trifluoroacetic acid and acetic acid to 7,7-dimethylnorbornene. Evidence for the essential absence of molecular cyclic addition processes (1970) (2)
- Chiral Synthesis via Organoboranes. 43. Selective Reductions. 58. Reagent-Controlled Diastereoselective Reduction of (+)- and (−)-α-Chiral Ketones with (+)- and (−)-B-Chlorodiisopinocampheylborane (1996) (2)
- Major Effect of the Leaving Group in Dialkylboron Chlorides and Triflates in Controlling the Stereospecific Conversion of Ketones into Either (E)- or (Z)-Enol Borinates. (1989) (2)
- Chiral Synthesis via Organoboranes. Part 14. Selective Reductions. Part 41. Diisopinocampheylchloroborane, an Exceptionally Efficient Chiral Reducing Agent. (1988) (2)
- Catalytic halides. XXXIII. Kinetics of the chlorine-36 exchange reaction between gallium chloride and methyl chloride. The dimethylchloronium ion as a possible intermediate in the exchange reaction (1969) (2)
- STRUCTURAL EFFECTS IN SOLVOLYTIC REACTIONS. 48. RATES OF ETHANOLYSIS OF CAMPHENE HYDROCHLORIDE AND RELATED α‐METHYL‐SUBSTITUTED 1‐CHLORO‐1‐METHYLCYCLOPENTANES. IS THE RATE OF ETHANOLYSIS OF CAMPHENE HYDROCHLORIDE EXCEPTIONALLY HIGH? (1985) (2)
- Selective Reductions. Part 59. Effective Intramolecular Asymmetric Reductions of α‐, β‐, and γ‐Keto Acids with Diisopinocampheylborane and Intermolecular Asymmetric Reductions of the Corresponding Esters with B‐Chlorodiisopinocampheylborane. (2003) (2)
- Recent Advances in Asymmetric Reductions with B- Chlorodiisopinocampheylborane (2010) (2)
- Selective Reductions. Part 53. Asymmetric Reduction of α- Fluoromethyl Ketones with B-Chlorodiisopinocampheylborane and B- Isopinocampheyl-9-borabicyclo(3.3.1)nonane. Combined Electronic and Steric Contributions to the Enantiocontrol Process. (1994) (2)
- Structural effects in solvolytic reactions. 51. Examination of the differences in the behavior of secondary and tertiary U-shaped bicyclic derivatives toward solvolysis (1985) (2)
- 4‐Pyridinesulfonic Acid (2003) (2)
- Simple stereospecific synthesis of endo-norbornyl chloride (1979) (2)
- Chiral Synthesis via Organoboranes. Part 10. Preparation of α‐Chiral Acyclic Ketones of Exceptionally High Enantiomeric Excess from Optically Pure Borinic Esters. (1987) (2)
- Chiral Synthesis via Organoboranes. Part 46. An Efficient Preparation of Chiral Pyridino- and Thiopheno-18-crown-6 Ligands from Enantiomerically Pure C2-Symmetric Pyridine- and Thiophenediols. (1999) (2)
- Hofmann elimination in the reaction of 1-methylcycloalkyl chlorides with bulky alkoxides. A convenient procedure for the conversion of 1-methylcycloalkenes into methylenecycloalkanes via hydrochlorination–elimination. Synthesis of β-cedrene (1968) (2)
- Chiral Synthesis via Organoboranes. Part 5. Asymmetric Allylboration via Chiral Allyldialkylboranes. Synthesis of Homoallylic Alcohols with Exceptionally High Enantiomeric Excess (1986) (2)
- Efficient General Synthesis of 1,2‐ and 1,3‐Diols in High Enantiomeric Excess via the Intramolecular Asymmetric Reduction of the Corresponding Ketoalkyl Diisopinocampheylborinate Intermediates. (1997) (2)
- Efficient Synthesis of Enantiomerically Pure C2-Symmetric Diols via the Allylboration of Appropriate Dialdehydes. (1997) (2)
- SELECTIVE REDUCTIONS. 22. FACILE REDUCTION OF .ALPHA (1977) (2)
- THE RICH CHEMISTRY OF VINYLIC ORGANOBORANES (1981) (2)
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- SELECTIVE REDUCTIONS PART 20, STEREOCHEMISTRY OF THE REDUCTION OF CYCLIC, BICYCLIC, AND POLYCYCLIC KETONES BY DIALKYLBORANES, A SIMPLE, CONVENIENT PROCEDURE FOR THE REDUCTION OF KETONES TO THE CORRESPONDING ALCOHOLS WITH EXCEPTIONALLY (1974) (0)
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- Rhodium-Catalyzed Hydroboration (1990) (0)
- Chiral Synthesis via Organoboranes. Part 20. Conversion of Boronic Esters of Essentially 100% Optical Purity to B-Alkyl-9-borabicyclo(3.3.1)nonanes of Very High Optical Purity. Synthesis of Optically Active Homologated Esters, Nitrile (1989) (0)
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