Carl Djerassi
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Most Influential Person
American chemistry professor, inventor, author, playwright
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Why Is Carl Djerassi Influential?
(Suggest an Edit or Addition)According to Wikipedia, Carl Djerassi was an Austrian-born Bulgarian-American pharmaceutical chemist, novelist, playwright and co-founder of Djerassi Resident Artists Program with Diane Wood Middlebrook. He is best known for his contribution to the development of oral contraceptive pillss, nicknamed the "father of the pill".
Carl Djerassi's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Papers
- Mass spectrometry of organic compounds (1967) (1029)
- Mass Spectrometry in Structural and Stereochemical Problems. XXXII.1 Pentacyclic Triterpenes (1963) (797)
- Interpretation of mass spectra of organic compounds (1964) (519)
- Structure and the Optical Rotatory Dispersion of Saturated Ketones (1961) (487)
- Notes - The Direct Conversion of Steroidal 5-3-Alcohols to 5- and 4-3-Ketones (1956) (362)
- A Study of the Constitution of Alginic Acid by Partial Acid Hydrolysis. (1966) (326)
- Optical rotatory dispersion (1961) (305)
- Mass spectrometry in structural and stereochemical problems CCXLV. The electron impact induced fragmentation reactions of 17-oxygenated progesterones (1975) (304)
- Infrared Spectra of Thioamides and Selenoamides. (1966) (287)
- Mass spectrometry in structural and stereochemical problems. CXLVI. Mass spectrometric fragmentations typical of sterols wit unsaturated side chains (1968) (277)
- Brominations with N-bromosuccinimide and related compounds; the Wohl-Ziegler reaction. (1948) (259)
- Carbon-13 nuclear magnetic resonance spectra of hydroxy steroids. (1976) (222)
- Mass spectrometry in structural and stereochemical problems. CXXV. Mass spectrometry of some steroid trimethylsilyl ethers. (1967) (161)
- Optical Rotatory Dispersion Associated with Dissymmetric Non-conjugated Chromophores. An Extension of the Octant Rule1-3 (1962) (150)
- Applications of artificial intelligence for chemical inference. I. Number of possible organic compounds. Acyclic structures containing carbon, hydrogen, oxygen, and nitrogen (1969) (147)
- Oxidations with Ruthenium Tetroxide (1953) (146)
- Magnetic circular dichroism studies. 43. Oxidized cytochrome P-450. Magnetic circular dichroism evidence for thiolate ligation in the substrate-bound form. Implications for the catalytic mechanism (1976) (146)
- Steroids from sponges (1974) (145)
- The Molecular Structure of 1,3-Butadiene and 1,3,5-trans-Hexatriene. (1966) (144)
- Recent studies in the marine sterol field (1981) (142)
- Massenspektrometrie und IHRE anwendung auf strukturelle und stereochemische probleme—LXVII (1965) (141)
- Magnetic circular dichroism studies. VI. Investigation of some purines, pyrimidines, and nucleosides. (1968) (137)
- Steroids. LIV.1Synthesis of 19-Nov-17α-ethynyltestosterone and 19-Nor-17α-methyltestosterone2 (1954) (133)
- A New Biaryl Synthesis Illustrating a Connection between the Ullmann Biaryl Synthesis and Copper-catalysed Decarboxylation. (1966) (129)
- Mass Spectrometry in Structural and Stereochemical Problems. XXXI.1 Aporphines and Related Alkaloids2 (1963) (122)
- Mass spectrometry in structural and stereochemical problems. CLXI - Elucidation of the course of the characteristic ring D fragmentation of steroids. (1968) (120)
- Optical Rotatory Dispersion Studies. VII.1Application to Problems of Absolute Configurations2 (1956) (113)
- Inherently Dissymetric Chromophores. Optical Rotatory Dispersion of α,β-Unsaturated Ketones and Conformational Analysis of Cyclohexenones (1962) (111)
- Minor and trace sterols in marine invertebrates. 26. Isolation and structure elucidation of nine new 5.alpha.,8.alpha.-epidoxy sterols from four marine organisms (1981) (110)
- Configuratio, Conformation and Rotatory Dispersion of Optically Active Biaryls (1962) (107)
- Studies in Organic Sulfur Compounds. VI.1 Cyclic Ethylene and Trimethylene Hemithioketals (1953) (104)
- Mass Spectrometry in Structural and Stereochemical Problems. I. Steroid Ketones (1962) (102)
- Terpenoids. LVII.1 Mass Spectral and Nuclear Magnetic Resonance Studies of Pentacyclic Triterpene Hydrocarbons2 (1966) (102)
- Heats of Vaporization for a Number of Organic Compounds at 25 degrees C. (1966) (102)
- Mass spectrometry in structural and stereochemical problems. CLV. Electron impact induced fragmentations and rearrangements of some trimethylsilyl ethers of aliphatic glycols, and related compounds (1968) (101)
- Minor and trace sterols in marine invertebrates 1. General methods of analysis (1976) (101)
- Optical Rotatory Dispersion Studies. XCIX.1 Superposed Multiple Cotton Effects of Saturated Ketones and Their Significance in the Circular Dichroism Measurement of (-)-Menthone2 (1965) (100)
- Rotatory dispersion curves of cyclopropyl-ketones and epoxy-ketones (1965) (99)
- Mass Spectrometry in Structural and Sterochemical Probelms. L.1Fragmentation and Hydrogen Migration Reactions of α,β-Unsaturated 3-Keto Steroids2 (1964) (99)
- Brominations with pyridine hydrobromide perbromide. (1948) (99)
- Mass Spectra of Isothiocyanates. (1963) (98)
- Mass spectrometry in structural and stereochemical problems. CXLI. Electron-impact induced fragmentations and rearrangements of trimethylsilyl ethers, amines and sulfides (1967) (97)
- Carbon-13 nuclear magnetic resonance spectra of acyclic aliphatic amines (1973) (96)
- Applications of artificial intelligence for chemical inference. XVII. Approach to computer-assisted elucidation of molecular structure (1975) (95)
- Birth Control after 1984 (1970) (94)
- Naturally Occurring Oxygen Heterocyclics. IX.1 Isolation and Characterization of Genipin2 (1960) (91)
- Mass Spectrometry in Structural and Stereochemical Problems. LXXXVI.1 The Hydrogen-Transfer Reactions in Butyl Propionate, Benzoate, and Phthalate2,3 (1965) (90)
- Alkaloid Studies. XXXIII.1 Mass Spectrometry in Structural and Stereochemical Problems. VI.2 Polyneuridine, A New Alkaloid from Aspidosperma polyneuron and Some Observations on Mass Spectra of Indole Alkaloids3 (1962) (90)
- Sterols with unusual nuclear unsaturation from three cultured marine dinoflagellates (1981) (90)
- The structure and absolute configuration of the marine sterol gorgosterol. (1970) (90)
- Optical rotatory dispersion : applications to organic chemistry (1960) (89)
- The Molecular Structure of 1,3,5,7-Cyclo-octatetraene. (1966) (89)
- Minor and trace sterols in marine invertebrates: VI. Occurrence and possible origins of sterols possessing unusually short hydrocarbon side chains (1978) (89)
- Selective Reduction of Steroids by Homogeneous Catalytic Hydrogenation1 (1966) (88)
- Terpenoids-LXXIV1: The sesquiterpenes from the soft coral sinularia mayi (1978) (87)
- Mass spectrometry in structural and stereochemical problems. CXXIV. Mass spectral fragmentation of alkylquinolines and isoquinolines. (1967) (87)
- ELECTRON-IMPACT INDUCED REARRANGEMENT REACTIONS OF ORGANIC MOLECULES. (1967) (87)
- Recent progress in the marine sterol field (1979) (84)
- Sulphated Polysaccharides in Brown Algae. I. Isolation and Preliminary Characterisation of Three Sulphated Polysaccharides from Ascophyllum nodosum (L.) Le Jol.. (1966) (83)
- Carbon-13 nuclear magnetic resonance spectra of keto steroids. (1973) (83)
- Sterol patterns of cultured zooxanthellae isolated from marine invertebrates: Synthesis of gorgosterol and 23-desmethylgorgosterol by aposymbiotic algae. (1982) (83)
- Massenspektroskopie und IHRE anwendung auf strukturelle und stereochemische probleme—LXVIII: Massenspektroskopische untersuchung der inhaltstoffe von haschisch (1965) (82)
- Terpenoids. XLVII.1 The Structure of Genipin2 (1961) (80)
- Demonstration of a biogenetically unprecedented side chain in the marine sterol, gorgosterol (1970) (80)
- Mass Spectrometry in Structural and Stereochemical Problems. LXXI.1 A Study of the Influence of Different Heteroatoms on the Mass Spectrometric Fragmentation of Five-Membered Heterocycles2 (1965) (79)
- Bond-length/Dihedral-angle and Bond-length/Bond-order Relationships for Sulphur(II)-Sulphur(II) Bonds. (1966) (78)
- Applications of artificial intelligence for chemical inference. 22. Automatic rule formation in mass spectrometry by means of the meta-DENDRAL program (1976) (77)
- Applications of artificial intelligence for chemical inference. II. Interpretation of low-resolution mass spectra of ketones (1969) (75)
- Magnetic circular dichroism studies. 60. Substituent-induced sign variation in the magnetic circular dichroism spectra of reduced porphyrins. 1. Spectra and band assignments (1982) (75)
- The Crystal Structure of NbOPO4. (1966) (75)
- Mass Spectrometry in Structural and Stereochemical Problems. LXXXVIII.1 Rearrangements of Simple Terpenes on Electron Impact2 (1966) (74)
- Mass Spectrometry in Structural and Stereochemical Problems. XIV.1 Steroids with One or Two Aromatic Rings2 (1962) (74)
- A study on purified bovine erythrocuprein. (1971) (73)
- Mass Spectrometry in Structural and Stereochemical Problems. LXIII.1 Hydrogen Rearrangements Induced by Electron Impact on N-n-Butyl- and N-n-Pentylpyrroles2 (1965) (73)
- THE CRYSTAL STRUCTURE OF Nb$sub 16$W$sub 1$$sub 8$O$sub 94$, A MEMBER OF A (MeO)xMeO$sub 3$ FAMILY OF COMPOUNDS (1966) (72)
- Biosynthetic studies of marine lipids. 11. Synthesis, biosynthesis, and absolute configuration of the internally branched demospongic acid, 22-methyl-5,9-octacosadienoic acid (1987) (72)
- Phospholipid Studies of Marine Organisms. Part 25. Sponge Phospholipids (1991) (71)
- 4-Methylthio-3-butenyl Isothiocyanate, the Pungent Principle of Radish Root. (1966) (71)
- Steroids. VII.1 Contribution to the Bromination of ▵4-3-Ketosteroids and a New Partial Synthesis of the Natural Estrogens (1950) (71)
- Steroid research at Syntex: “the Pill” and cortisone (1992) (71)
- Inherently Dissymmetric Chromophores and Circular Dichroism. II (1962) (70)
- Mass spectrometry of phospholipids. Some applications of desorption chemical ionization and fast atom bombardment (1984) (70)
- Alkaloid‐Studien LII. Die Alkaloide aus Vallesia dichotoma RUIZet PAV (1965) (70)
- Applications of artificial intelligence for chemical inference. 37. GENOA: a computer program for structure elucidation utilizing overlapping and alternative substructures (1981) (69)
- The Structure of the Antibiotic Methymycin1 (1956) (68)
- A Heat of Vaporization Calorimeter for Work at 25 degrees C and for Small Amounts of Substances. (1966) (68)
- Mechanism of hydride reduction of 1-alkyn-3-ols (1974) (68)
- Pyrroles and related compounds. X. (1976) (68)
- Mass Spectrometry in Structural and Stereochemical Problems. LXV.1 Synthesis and Fragmentation Behavior of 15-Keto Steroids. The Importance of Interatomic Distance in the McLafferty Rearrangement2 (1965) (68)
- MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 26. ISOLATION AND STRUCTURE ELUCIDATION OF NINE NEW 5α,8α-EPIDOXY STEROLS FROM FOUR MARINE ORGANISMS (1982) (68)
- Steroids. IV.1a α-Iodoketones. A Method for the Conversion of Allosteroids into ▵4-3-Ketosteroids1b (1950) (67)
- The Visible and Near Infrared Spectrum of Manganese(III) Complexes. (1966) (67)
- Chromatography of Conjugated Steroids on Lipophilic Sephadex. (1966) (67)
- Optical Rotatory Dispersion Studies. XVII.1 Detection of Conformational Alterations. Effects of Alkyl Groups and Double Bonds in Polycyclic Systems2 (1958) (66)
- Some Notes on the Palladium-Silicon System. (1966) (66)
- Alkaloid studies. L. The alkaloids of twelve Aspidosperma species. (1965) (66)
- Biosynthetic studies of marine lipids 12.: Biosynthesis in marine sponges of sterois possessing the δ5,7-nucleus typical of fungi and the 24-alkyl side chain characteristic of plants (1985) (66)
- Insect Control of the Future: Operational and Policy Aspects (1974) (65)
- Optical Rotatory Dispersion Studies. LXXVIII.1Comparative Studies of Circular Dichroism and Rotatory Dispersion Curves. Some Observations on Sulfur-containing Chromophores2 (1962) (65)
- On the Tellurides of Nickel. (1966) (65)
- Optical Rotatory Dispersion Studies. VIII.1 α,β-Unsaturated Ketones and Solvent Effects2 (1956) (64)
- Biosynthetic studies of marine lipids. 17. The course of chain elongation and desaturation in long-chain fatty acids of marine sponges (1988) (63)
- Phospholpid studies of marine organisms: 2.1 Phospholipids, phospholipid-bound fatty acids and free sterols of the spongeAplysina fistularis (Pallas) formafulva (Pallas) (=Verongia thiona)2. Isolation and structure elucidation of unprecedented branched fatty acids (1981) (63)
- Recent advances in the mass spectrometry of steroids (1978) (62)
- Selective Preparation of Lutein Monomethyl Ethers. (1966) (62)
- The Neutral Constituents of the Cactus Lophocereus schottii. The Structure of Lophenol--4α-Methyl-Δ7-cholesten-3β-ol--A Link in Sterol Biogenesis1-3 (1958) (62)
- Mass spectrometry in structural and stereochemical problems. CXLIX. Question of ring expansion in the fragmentation of carbon-13 nitrogen heterocycles (1968) (62)
- Biosynthetic studies of marine lipids. 41. Sponge sterols: origin and biosynthesis (1991) (62)
- α-Iodoketones (Part 2).1 Reaction of Enol Acetates with N-Iodosuccinimide2 (1953) (62)
- Studies on the Failure of the First Born Approximation in Electron Diffraction. IV. Molybdenum- and Tungsten Hexafluoride. (1966) (61)
- Terpenoids. XXXVII.1 The Structure of the Pentacyclic Diterpene Cafestol. On the Absolute Configuration of Diterpenes and Alkaloids of the Phyllocladene Group2 (1959) (61)
- A convenient synthesis of progesterone from stigmasterol. (1977) (61)
- Mass spectrometry in structural and stereochemical problems. LXXXII. A study of the fragmentation of some Amaryllidaceae alkaloids. (1965) (60)
- On the Properties of TaS3 and TaSe3. (1966) (59)
- Organic chemical applications of magnetic circular dichroism (1971) (59)
- Determination of the structures of the ions produced in the single and double McLafferty rearrangements by ion cyclotron resonance spectroscopy. (1969) (59)
- Rate Studies of Cyclic Phosphinates, Phosphonates and Phosphates. (1966) (59)
- The Crystal Structure of V2MoO8. (1966) (59)
- Optical rotatory dispersion studies. CXVII. Absolute configurational assignments of some .alpha.-substituted phenylacetic acids by circular dichroism measurements (1970) (58)
- Mass spectrometry in structural and stereochemical problems—XXXIX (1964) (58)
- Alkaloid Studies. XLVI.1 The Alkaloids of Aspidosperma obscurinervium Azembuja. A New Class of Heptacyclic Indole Alkaloids2 (1964) (57)
- SOME CHEMICAL AND BIOLOGICAL PROPERTIES OF 19‐NOR‐17α‐ETHYNYLTESTOSTERONE (1958) (57)
- Minor and trace sterols in marine invertebrates. Part 35. Isolation and structure elucidation of seventy-four sterols from the sponge Axinella cannabina (1983) (56)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS. LXXII. A STUDY OF THE FRAGMENTATION PROCESSES OF SOME TOBACCO ALKALOIDS. (1965) (56)
- Biosynthetic studies of marine lipids. 5. The biosynthesis of long-chain branched fatty acids in marine sponges (1986) (56)
- Untersuchungen der optischen Rotationsdispersion. XV. Anwendung auf Steroid‐Ketole und herzwirksame Aglykone. Glykoside und Aglykone, 186. Mitteilung (1958) (55)
- Optical Rotatory Dispersion Studies. XCVIII.1The Conformation of the 17-Acetyl Group in Steroids and Its Correlation with Variable-Temperature Circular Dichroism2 (1965) (54)
- On the origin of terpenes in symbiotic associations between marine invertebrates and algae (zooxanthellae). Culture studies and an application of 13C/12C isotope ratio mass spectrometry. (1984) (54)
- Alkaloids studies—LIII (1965) (54)
- Fatty acids as biological markers for bacterial symbionts in sponges (1988) (53)
- Applications of artificial intelligence for chemical inference—XXI: Chemical studies of marine invertebrates—XVII. The computer-assisted identification of [+]-palustrol in the marine organism Cespitularia sp., aff. subviridis☆☆☆ (1976) (53)
- Optical Rotatory Dispersion Studies. XXIV.1 Effect of Distance of a Single Asymmetric Center from an Aliphatic Carbonyl Function2 (1959) (53)
- Mass spectrometry in structural and stereochemical problems. CXLIV - Unusual fragmentations in the low-voltage spectra of aliphatic ketones. (1968) (53)
- Steroids. CXXXVII.1 Synthesis of a New Class of Potent Cortical Hormones. 6α,9α-Difluoro-16α-hydroxyprednisolone and its Acetonide (1960) (53)
- Mass spectrometry in structural and Stereochemical problems—XXXIV : Aromatic methyl and ethyl ethers☆☆☆ (1963) (52)
- Isolation of two new c30 sterols, ( 24e )-24-n-propylidenecholesterol and 24ξ-n-propylcholesterol, from a cultured marine chrysophyte (1980) (52)
- Alkaloid studies. LVI. The constitution of vallesiachotamine. (1966) (52)
- Terpenoids. XXXI.1The Structure and Stereochemistry of Medicagenic Acid2 (1957) (52)
- Mas Spectrometry in Structural and Stereochemical Problems. XXIV.1 A Study of the Hydrogen Transfer Reactions Accompanying Fragmentation Processes of 11-Keto Steroids. Synthesis of Deuterated Androstan-11-ones2 (1963) (52)
- The Crystal Structure of VOMoO4. (1966) (52)
- Isolation of sterols with cyclopropyl-containing side chains from the cultured marine alga (1979) (51)
- Novel dinoflagellate 4α-methylated sterols from four caribbean gorgonians (1982) (51)
- Continuous Detection of Fractions in Effluents of Silicic Acid Chromatography. (1963) (51)
- Mass spectrometry in structural and stereochemical problems. 252. Structural and stereochemical applications of mass spectrometry in the marine sterol field. Synthesis and electron impact induced mass spectral fragmentation of .DELTA.24- and .DELTA.24(28)-3.beta.-hydroxy-.DELTA.5-sterols (1979) (51)
- Mass spectrometry in structural and stereochemical problems. 254. Elucidation of the course of the electron impact induced fragmentation of .alpha.,.beta.-unsaturated 3-keto steroids (1980) (50)
- The Effect of the Solvent on the Reactivity of Potassium and Quaternary Ammonium Phenoxides in Nucleophilic Substitution Reactions. Part III. (1966) (50)
- Steroids. XLIII.1 A Ten Step Conversion of Progesterone to Cortisone. The Differential Reduction of Pregnane-3,20-diones with Sodium Borohydride2 (1953) (50)
- Biosynthetic studies of marine lipids—3 : Experimental demonstration of the course of side chain extension in marine sterols (1985) (50)
- Additivity relationships in carbon-13 nuclear magnetic resonance spectra of dihydroxy steroids. (1977) (50)
- Studies on the Hydrolysis of Metal Ions. Part 57. Hydrolysis of the Iron(III) Ion and the Solubility Product of Fe(OH)2.70Cl0.30 in 0.5 M (Na+)Cl- Medium. (1966) (50)
- Letter: Chloroperoxidase. Evidence for P-450 type heme environment from magnetic circular dichroism spectroscopy. (1976) (50)
- The Crystal Structure of ZrFeP and Related Compounds. (1966) (49)
- Applications of artificial intelligence for chemical inference. III. Aliphatic ethers diagnosed by their low-resolution mass spectra and nuclear magnetic resonance data (1969) (49)
- Terpenoids-LXXI. Chemical studies of marine invertebrates-XIV. Four representatives of a novel sesquiterpene class-the capnellane skeleton (1976) (49)
- Mass Spectrometry in Structural and Stereochemical Problems. CIV.1 The Nature of the Cyclic Transition State in Hydrogen Rearrangements of Aliphatic Sulfides2 (1965) (49)
- OPTICAL ROTATORY DISPERSION STUDIES. X.1 DETERMINATION OF ABSOLUTE CONFIGURATION OF α-HALOCYCLOHEXANONES2 (1957) (49)
- Preparation of 2-Imidazole- and 2-Thiazolecarbaldehydes. (1966) (49)
- THE STRUCTURE OF THE ANTIBIOTIC METHYMYCIN (1956) (48)
- Mass spectrometry in structural and stereochemical problems. CCXLII. Analysis of mixtures based on the distribution of fragment ions arising from unimolecular decomposition of metastable molecular ions (1974) (48)
- Mass spectrometry in structural and stereochemical problems. CXL. (1967) (48)
- Stereospecific synthesis of the side chain of the steroidal plant sex hormone oogoniol (1979) (48)
- Magnetic circular dichroism of ferrous carbonyl adducts of cytochromes P-450 and P-420 and their synthetic models: further evidence for mercaptide as the fifth ligand to iron. (1976) (47)
- The politics of contraception (1980) (47)
- Pyrroles and related compounds—X : Mass spectrometry in structural and stereochemical problems—XC Mass spectra of linear di=, tri- and tetrapyrrolic compounds☆☆☆ (1967) (47)
- Sterols in marine invertebrates. 22. Isolation and structure elucidation of conicasterol and theonellasterol, two new 4-methylene sterols from the Red Sea sponges Theonella conica and Theonella swinhoei (1981) (47)
- The bitter pill. (1990) (47)
- Mass Spectrometry in Structural and Stereochemical Problems. XXXV.1 Mass Spectrometric Fragmentation and Hydrogen Transfer Reactions in 16-Keto Steroids. A Novel Synthesis of Side Chain Labeled Cholestanes2 (1964) (46)
- Thermodynamics of the Ionization of Some Thiazoles in Aqueous Solution. (1964) (46)
- The Chemistry of Rosewood. Isolation and Structure of Anibine and 4-Methoxyparacotoin1 (1957) (46)
- Mass Spectrometry in Structural and Stereochemical Problems. XCI.1 The Electron Impact Induced Elimination of Water from 3-Hydroxy Steroids (1966) (46)
- Applications of Artificial Intelligence for Chemical Inference. Part VI. Approach to a General Method of Interpreting Low Resolution Mass Spectra with a Computer (1970) (45)
- Heterocyclic Amines with Antihistaminic Activity1 (1946) (45)
- Phospholipid studies of marine organisms 4. (2,21)-2-methoxy-21-octacosenoic acid, the first naturally occurring α-methoxy acid from a phospholipid (1983) (45)
- A Semi-empirical Open Shell SCF-MO Method for Transition Metal Complexes. (1966) (45)
- Mass Spectrometry in Structural and Stereochemical Problems. XX.1 Carapanaubine, a New Alkaloid from Aspidosperma carapanauba and Some Observations on Mass Spectra of Oxindole Alkaloids2 (1963) (45)
- Mass spectrometry in structural and stereochemical problems. CXIV. Electron impact induced rearrangement of thiocarbonates, carbamates, and thiocarbamates. (1966) (45)
- Steroids. LXXXI.1 Transformation of Sapogenins to Androgens and Estrogens. Beckmann Rearrangement of 16-20-Ketosteroids (1956) (45)
- MAGNETIC CIRCULAR DICHROISM STUDIES. 61. SUBSTITUENT-INDUCED SIGN VARIATION IN THE MAGNETIC CIRCULAR DICHROISM SPECTRA OF REDUCED PORPHYRINS. 2. PERTURBED MOLECULAR ORBITAL ANALYSIS (1982) (45)
- NMR study of kinetic HH/HD/DH/DD isotope effects on the tautomerism of acetylporphyrin: evidence for a stepwise double proton transfer (1993) (44)
- Silylation as a Method for Establishment of Tertiary Hydroxyl Groups in Carotenoids. (1966) (44)
- Optical Rotatory Dispersion Studies. V.1 The Effect of Isolated Carbonyl Groups and Double Bonds in the Cholestane Series2 (1956) (44)
- Mass Spectrometry in Structural and Stereochemical Problems. LXXIII.1 The Negative Ion Mass Spectra of Some Simple Organic Compounds2 (1965) (44)
- Magnetic circular dichroism studies. XVII. Magnetic circular dichroism spectra of proteins. A new method for the quantitative determination of tryptophan. (1972) (44)
- MASS SPECTROMETRY IN STRUCTURAL AND (1979) (43)
- Ergosta‐5,7,9(11), 22‐tetraen‐3β‐ol and its 24ξ‐Ethyl Homolog, Two New Marine Sterols from the Red Sea Sponge Biemna fortis (1979) (43)
- Mass spectrometry in structural and stereochemical problems unsaturated pentacyclic triterpenoids (1962) (43)
- APPLICATIONS OF ARTIFICIAL INTELLIGENCE FOR CHEMICAL INFERENCE. 29. EXHAUSTIVE GENERATION OF STEREOISOMERS FOR STRUCTURE ELUCIDATION (1979) (43)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS. XXI. FRAGMENTATION AND HYDROGEN TRANSFER REACTIONS AFTER ELECTRON IMPACT ON $beta$-DECALONES (1963) (43)
- 5α‐24‐Norcholestan‐3β‐ol and (24Z)‐Stigmasta‐5,7,24(28)‐trien‐3β‐ol, Two New Marine Sterols from the Pacific Sponges Terpios zeteki and Dysidea herbacea (1979) (43)
- Mass spectrometry in structural and stereochemical problems-XCVII (1966) (42)
- Flechteninhaltsstoffe—XXXI : Massenspektrometrie und ihre anwendung auf strukturelle und streochemische probleme—CXXIII Massenspektrometrie von depsiden, depsidonen, depsonen, dibenzofuranen und diphenylbutadienen mit positiven und negativen ionen☆☆☆★ (1968) (42)
- Studies on Metal Complexes in Aqueous Solution by Infrared Spectrophotometry. III. Further Investigations on Thiocyanato Complexes. (1962) (42)
- Applications of artificial intelligence for chemical inference. 8. An approach to the computer interpretation of the high resolution mass spectra of complex molecules. Structure elucidation of estrogenic steroids. (1972) (42)
- Mass Spectrometry in Structural and Stereochemical Problems. LVIII.1 A Study of the Fragmentation Processes of Some Lactams2 (1964) (42)
- Biosynthetic studies of marine lipids. 42. Biosynthesis of steroid and triterpenoid metabolites in the sea cucumber Eupentacta fraudatrix (1993) (42)
- Minor and Trace Sterols in Marine Invertebrates. XII. Occurrence of 24 (R + S)‐isopropenylcholesterol, 24 (R + S)‐methylcholesta‐5, 25‐dien‐3β‐ol, and 24 (R + S)‐methylcholesta‐7, 25‐dien‐3β‐ol in the caribbean sponge, Verongia cauliformis (1979) (42)
- Marine natural products. Synthesis of four naturally occurring 20.beta.-H cholanic acid derivatives (1978) (42)
- The bromination of 3-ketosteroids in acetic acid and the effect of trace substances in the solvent. (1947) (42)
- Phospholipid studies of marine organisms: III. New phospholipid fatty acids fromPetrosia ficiformis (1982) (41)
- The Absorption and the Circular Dichroism Spectra and the Absolute Configuration of the Tris Acetylacetonato Silicon(IV) Ion. (1966) (41)
- Algal Carotenoids. V. Iso-fucoxanthin --- a Rearrangement Product of Fucoxanthin. (1966) (41)
- Optical Rotatory Dispersion Studies. LXXXIV.1Studies of Conformational Mobility by Low-Temperature Circular Dichroism Measurements2 (1963) (40)
- Injectable contraceptive synthesis: an example of international cooperation. (1980) (40)
- CRYSTAL STRUCTURE OF Nb$sub 12$O$sub 2$$sub 9$(mon) (1966) (40)
- Optical Rotatory Dispersion Studies. XXV.1 Effect of Carbonyl Groups in Pentacyclic Triterpenes2 (1959) (40)
- Terpenoids. XLVI.1 Copalic Acid2 (1961) (40)
- Magnetic circular dichroism studies. XII. The determination of tryptophan in proteins. (1971) (40)
- Mass spectrometry in structural and stereochemical problems. CXXX. A study of electron impact induced migratory aptitudes (1967) (40)
- The Chemistry of the Order Araucariales. Part 4. The Bled Resins of Agathis australis. (1966) (40)
- Naturally Occurring Oxygen Heterocyclics. IV.1The Methylation of Pyronones2 (1959) (40)
- Mass spectrometry in structural and stereochemical problems. CLXXIII. The electron impact induced fragmentations and rearrangements of trimethylsilyl esters of w-phenoxyalkanoic acids (1969) (39)
- Mass spectrometry in structural and stereochemical problems. CLXV. Study of skeletal rearrangements in carbon-13-labeled aromatic amines (1968) (39)
- Steroids. VI.1 The Wohl—Ziegler Bromination of Steroidal 1,4-Dien-3-ones. Partial Synthesis of ▵6-Dehydroestrone and Equilenin (1950) (39)
- Elektronensto-induzierte Umlagerungen organischer Molekle (1967) (39)
- Minor and trace sterols in marine invertebrates 40. Structure and synthesis of axinyssasterol, 25-methylfucosterol and 24-ethyl-24-methylcholesterol -- novel sponge sterols with highly branched side chains (1983) (39)
- Optical Rotatory Dispersion Studies. VI.1The Bile Acid Series. Polycarbonyl Compounds and Stereochemical Differentiations2 (1956) (39)
- An Electron Diffraction Investigation of the Molecular Structure of Azulene. (1966) (39)
- Terpenoids. LIII.1a Demonstration of Ring Conformational Changes in Triterpenes of the β-Amyrin Class Isolated from Stryphnodendron coriaceum (1963) (39)
- Optical Rotatory Dispersion Studies. XVI.1 Synthesis and Conformation of Optically Active Octalones and Decalones2 (1958) (39)
- Sterols of the cultured dinoflagellate Pyrocystis lunula (1982) (38)
- An Electron Diffraction Investigation of the Molecular Structure of Di-t-butylnitroxide Free Radical in the Vapour Phase. (1966) (38)
- Massenspektroskopie und ihre Anwendung auf strukturelle und stereochemische Probleme, 44. Mitt.: Das Fragmentierungsverhalten monocyclischer Ketone (1964) (38)
- Steroids. VIII. 1,2 The Dienone—Phenol Rearrangement in the Steroid Series. Synthesis of a New Class of Estrogens (1950) (38)
- Optical rotatory dispersion studies—LXXXI stereochemical studies—XXVII (1963) (38)
- Desorption chemical ionization mass spectrometry of epimeric 3-hydroxysteroids and derivatives. Stereoselectivity and nucleophilic substitution with ammonia† (1982) (37)
- 374. Pyrroles and related compounds. Part IV. Mass spectrometry in structural and stereochemical problems. Part XXX. Mass spectra of monocyclic derivatives of pyrrole (1964) (37)
- Phospholipid studies of marine organisms 9. New brominateddemospongic acids from the phospholipids of two species (1984) (37)
- Alkaloid Studies. XXXVI.1 The Complete Absolute Configuration of the Diterpene Alkaloids of the Garrya and Atisine Groups and their Direct Correlation with the Phyllocladene-type Diterpenes2 (1962) (37)
- Sterol synthesis by cultured zooxanthellae; implications concerning sterol metabolism in the host-symbiont association in caribbean gorgonians (1981) (37)
- Optical Rotatory Dispersion Studies. XXXVII.1,2Steroids. CXLVI.3On the Mechanism and Sterochemical Course of the Bromination of 3-Keto Steroids and their Enol Acetates (1960) (37)
- An X-Ray Investigation of the Structure of the Hg2(2+) Ion in Solution. (1966) (37)
- Mass spectrometry in structural and stereochemical problems. CLXXXIII. A study of the electron impact induced fragmentation of aliphatic aldehydes (1969) (37)
- Optical Rotatory Dispersion Studies. LXXXIX.1 The Oxtant Rule and the t-Butyl Group. Synthesis of Steroidal t-Butyl Ketones2 (1964) (37)
- Massenspektroskopie und ihre Anwendung auf strukturelle und stereochemische Probleme, 40. Mitt.: Das Fragmentierungsverhalten von Cyclohexanol und seinen Deuterium-Analogen (1964) (36)
- An X-Ray Investigation of Ruthenium-Aluminium Alloys. (1966) (36)
- Mass spectrometry in structural and stereochemical problems. CCX. Evidence for transition states of different ring sizes in the loss of C4H8 from phenyl butyl ether in the mass spectrometer (1972) (36)
- Chemical studies of marine invertebrates. IV. Terpenoids LXII. Eunicellin, a diterpenoid of the gorgonian . X-ray diffraction analysis of Eunicellin dibromide. (1968) (36)
- Mass spectrometry in structural and stereochemical problems–CXCIV: The mass spectrometric fragmentations of steroidal sapogenins (1970) (36)
- A Rapid Synthesis of 3-O-Methylgallic Acid. (1966) (36)
- Magnetic circular dichroism studies. III. Investigation of some optically active chlorins (1967) (36)
- Untersuchung der Rotationsisomerie des Biscyclopropyls mit Hilfe der Elektronenbeugungsmethode. (1966) (36)
- 5.alpha.-Pregn-9(11)-ene-3.beta.,6.alpha.-diol-20-one and 5.alpha.-cholesta-9(11),20(22)-diene-3.beta.,6.alpha.-diol-23-one. Two novel steroids from the starfish Acanthaster planci (1972) (36)
- The Crystal Structure of the Potassium Aluminate K2[Al2O(OH)6]. (1966) (36)
- Magnetic circular dichroism studies. XVIII. Structure and the magnetic circular dichroism of saturated ketones (1972) (36)
- Steroids. CXVIII.1 6-Methyl Derivatives of 17α-Hydroxyprogesterone and of Reichstein's Substance “S” (1959) (36)
- Steroids made it possible (1990) (36)
- Minor sterols of marine invertebrates 37. Isolation of novel coprostanols and 4 alpha-methyl sterols from the tunicate Ascidia nigra. (1982) (36)
- Mass spectral behavior and HPLC of some unusual molecular phospholipid species. (1986) (35)
- Tautomeric Cyclic Thiones. Part II. Tautomerism, Acidity and Electronic Spectra of Thioamides of the Oxadiazole, Thiadiazole, and Thiazole Groups. (1966) (35)
- Steroids. XIII.1Reaction of α,β-Unsaturated Steroid Ketones with Benzylmercaptan. Thioenol Ether Formation and 1,4-Addition (1951) (35)
- Optical rotatory dispersion studies—XII: Absolute configurations of eperuic and labdanolic acids (1957) (35)
- Massenspektroskopie und ihre Anwendung auf strukturelle und stereochemische Probleme, 15. Mitt. 1 : Steroidsapogenine (1962) (35)
- Magnetic circular dichroism studies: XIX. Determination of the tyrosine: Trytophan ratio in proteins (1972) (35)
- Applications of mass spectrometry in the steroid field (1970) (35)
- Mass Spectrometry in Structural and Stereochemical Problems. CIX.1The Nonspecificity of Hydrogen Rearrangements in Aryl Alkyl Ethers2 (1966) (35)
- Optical Rotatory Dispersion Studies. XIV.1 α-Haloketones (Part 2)2,3 (1958) (35)
- Studies in Organic Sulfur Compounds. VII.1 Lithium Aluminum Hydride Reduction of Xanthates to Mercaptans. Synthesis of Substituted β-Mercaptoethanols (1955) (35)
- Optical Rotatory Dispersion Studies. C.1 Variable-Temperature Circular Dichroism Studies of Ring-Conformational and Rotational Equilibria in Cyclohexanones2 (1965) (34)
- Phospholipid studies of marine organisms. 22. Structure and biosynthesis of a novel brominated fatty acid from a hymeniacidonid sponge (1989) (34)
- Constitution and absolute configuration of eremophilenolide (1963) (34)
- 82. Die Massenspektren von Alkaloiden der Refractin-Pleiocarpin-Klasse und die Struktur von Aspidofractinin, einem Nebenalkaloid aus Aspidosperma refractum Mart.: 26. Mitteilung über Massenspektroskopie und ihre Anwendung auf strukturelle und stereochemis (1963) (34)
- Dimerisation of Bilirubin Anion in Aqueous Solution. (1966) (34)
- Applications of artificial intelligence for chemical inference. I - The number of possible organic compounds - Acyclic structures containing C, H, O, and N. (1969) (34)
- A Reinvestigation of the Crystal Structure of Diammonium Hexachlorotellurate(IV), (NH4)2TeCl6. (1966) (34)
- Mass spectrometry in structural and stereochemical problems]—XCII (1966) (34)
- STEROIDS. XXXVII.1 A TEN STEP CONVERSION OF PROGESTERONE TO CORTISONE (1952) (34)
- STRUCTURE OF TOMATILLIDINE. (1965) (34)
- Naturally Occurring Oxygen Heterocyclics. X.14-Phenyl-5,7-dihydroxy-6-isovaleryl-8-isopentenylcoumarin2,3 (1961) (34)
- Alkaloid Studies. XXXIX.1 The Occurrence of Dihydrocorynantheol and Aricine in Aspidosperma marcgravianum Woodson (1962) (34)
- Phospholipid studies of marine organisms: V1 new α-methoxy acids fromHigginsia tethyoides (1983) (34)
- Mass spectrometry in structural and stereochemical problems. LXXXI. Stereospecificity in a hydrogen-transfer reaction characteristic of 6-keto steroids. (1965) (34)
- The Electronic Spectra of Thioamides and Thiohydrazides. Part VIII. Five- and Six-membered Thiolactams and Thioimides. (1966) (34)
- Biosynthetic studies of marine lipids. IV: Mechanism of side chain alkylation in (E)-24-propylidenecholesterol by a chrysophyte alga (1984) (34)
- Alkaloid Studies. XXXVIII.1Pilocereine - A Trimeric Cactus Alkaloid2 (1962) (33)
- Minor and trace sterols in marine invertebrates. 41. Structure and stereochemistry of naturally occurring 9,11-seco sterols (1983) (33)
- OPTICAL ROTATORY DISPERSION STUDIES. XXXI.1 ANOMALOUS DISPERSION CURVES OF DITHIOCARBAMATES OF α-AMINO ACIDS AND PEPTIDES. STEREOCHEMICAL CORRELATIONS BETWEEN α-HYDROXY AND α-AMINO ACIDS2 (1959) (33)
- Applications of artificial intelligence for chemical inference. IV. Saturated amines diagnosed by their low resolution mass spectra and nuclear magnetic resonance spectra (1970) (33)
- Mass spectrometry in structural and stereochemical problems. CXXVII. Synthesis and fragmentation behavior of deuterium-labeled 20-keto steroids. (1967) (33)
- Steroid oral contraceptives. (1966) (33)
- Mass spectrometry in structural and stereochemical problems. 93. Further observations on the importance of interatomic distance in the McLafferty rearrangement. Synthesis and fragmentation behavior of deuterium-labeled 12-keto steroids. (1966) (32)
- Steroids. XLVIII.1 19-Norprogesterone, a Potent Progestational Hormone (1953) (32)
- Mass Spectrometry in Structural and Stereochemical Problems. LXXIV.1 A Study of the Fragmentation of N-Acylpyrrolidines2 (1965) (32)
- Optical Rotatory Dispersion Studies. XXII.1 Detection and Stereochemical Implication of Hemiketal Formation2,3 (1959) (32)
- Mass spectrometry in structural and stereochemical problems. LXX - A study of the fragmentation processes of some five- membered n-alkyllactams and n- alkylsuccinimides. (1965) (32)
- Terpenoids. XXIX.1 Iresin (Part 2).2 A New Fundamental Sesquiterpene Skeleton3,4 (1957) (32)
- Terpenoids. XXX.1 The Structure of the Cactus Triterpene Chichipegenin (1957) (32)
- A Convenient Method for the Quantitative Determination of Sulfoxides. (1966) (32)
- Mass spectrometry in structural and stereochemical problems. LXXIX. Aliphatic and alicyclic nitro compounds. (1965) (32)
- PRECIPITATION AND HYDROLYSIS OF METALLIC IONS. II. STUDIES ON THE SOLUBILITY OF ZIRCONIUM HYDROXIDE IN DILUTE SOLUTIONS AND IN 1 M NaCIO$sub 4$ (1966) (32)
- Biosynthetic studies of marine lipids. 33. Biosynthesis of dinosterol, peridinosterol and gorgosterol: unusual patterns of bioalkylation in dinoflagellate sterols (1991) (32)
- Steroids. XX.1a Cyclic Steroidal Hemithioketals1b (1951) (32)
- Transannular Nitrogen-Carbonyl Interaction in Cyclic Aminoketones and Optical Rotatory Dispersion1,2 (1958) (32)
- Katalytische Hydrierungen und Deuterierungen von Steroiden in homogener Phase (1968) (32)
- STEROIDAL SAPOGENINS. VII.1 EXPERIMENTS IN THE HECOGENIN SERIES (PART 1) (1951) (31)
- Optical Rotatory Dispersion Studies. XLVI. Stereochemical Assignments through Anomalous Rotatory Dispersion Curves of alpha-Amino Acid Derivatives. 3-Phenyl-2-thiohydantoins and N-Thionocarbethoxy Amino Acids. (1961) (31)
- Capnellane - a new tricyclic sesquiterpene skeleton from the soft coral capnella imbricata (1974) (31)
- Mass Spectrometry in Structural and Stereochemical Problems. LV.1The Mass Spectrometric Fragmentation of Ethylene Ketals2 (1964) (31)
- High-boiling neutral constituents from the wood of Pinus silvestris L (1966) (31)
- The preparation and partial aromatization of 1,4-cholestadienone-3 by the dienonephenol rearrangement. (1946) (31)
- A study on purified apo-erythrocuprein. (1972) (31)
- 886. Alkaloid studies. Part XLVIII. The structure of apparicine, a novel aspidosperma alkaloid (1965) (31)
- Magnetic circular dichroism of purified forms of rabbit liver cytochromes P-450 and P-420. (1978) (31)
- MASS SPECTOMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS. LXVI. MASS SPECTRAL FRAGMENTATION OF 6,7-DIMETHOXYCOUMARIN. (1965) (31)
- Computer-assisted structure manipulation : Studies in the biosynthesis of natural products (1978) (31)
- Chemical investigations on Putranjiva roxburghii. (1968) (31)
- Isolation, Structure Determination and Synthesis of New Acetylenic Steroids from the Sponge Calyx nicaaensis (1977) (31)
- The Ultraviolet Absorption Spectra of α,β-Unsaturated Ketones Conjugated with an Aromatic Nucleus1 (1947) (31)
- The Systems Molybdenum-Arsenic, Tungsten-Arsenic, Molybdenum-Antimony, Tungsten-Antimony, Niobium-Bismuth, Tantalum-Bismuth, Molybdenum-Bismuth, and Tungsten-Bismuth. (1966) (31)
- Optical Rotatory Dispersion Studies, LXXXVIII. Vergleichende Messungen der Optischen Rotationsdispersion und des Zirkulardichroismus der N‐Phthalyl‐Derivate von Aminen und α‐ Aminosäuren (1964) (31)
- The dienonephenol rearrangement applied to chrysene derivatives; the synthesis of 3-hydroxy-1-methylchrysene and related compounds. (1946) (30)
- Optical rotatory dispersion studies. 138. Synthesis and conformational analysis of .beta.-heteroatom-substituted cyclohexanones (1985) (30)
- Mass Spectrometry in Structural and Stereochemical Problems.1 CXI. The Mass Spectrometric Fragmentation of Substituted Naphthoquinones and Its Application to Structural Elucidation of Echinoderm Pigments2 (1966) (30)
- Thiophene Analogues of Indenes. I. The Synthesis of Indanone Analogues. (1966) (30)
- Optical Rotary Dispersion Studies. CIX.1 An Octant Rule for the Azide Chromophore2 (1967) (30)
- Isolation and structure elucidation of 22(S),23(S)-methylenecholesterol. Evidence for direct bioalkylation of 22-dehydrocholesterol (1980) (30)
- Mass spectrometry in structural and stereochemical problems—CCIV. Spectra of hydantoins II. Electron impact induced fragmentation of some substituted hydantoins†‡ (1971) (30)
- Steroidal Sapogenins. XXXVII.1 Experiments in the Hecogenin Series. (Part 6).2 Conversion to Cortisone (1951) (30)
- Mass spectrometry in structural and stereochemical problems. 266. Enhanced structural determination of substituted porphyrins by ammonia desorption chemical ionization mass spectrometry (1986) (30)
- Isolation and synthesis of 23-methyl-22-dehydrocholesterol -a marine sterol of biosynthetic significance (1979) (30)
- Mass Spectrometry in Structural and Stereochemical Problems. LIII.1Fragmentation and Hydrogen Transfer Reactions of a Typical 3-Keto Steroid, 5α-Androstan-3-one2 (1964) (30)
- The Electronic Structure of K[Pt(C2H4)Cl3].H2O. (1966) (29)
- Studies in Organic Sulfur Compounds. X.1The Scope of the Raney Nickel Desulfurization of Cyclic Hemithioketals (1,3-Oxathiolanes and 1,3-Oxathianes)2 (1958) (29)
- The Crystal Structure of Ta2P. (1966) (29)
- Thermochemical Studies on Metal Complexes. I. Free Energy, Enthalpy, and Entropy Changes for Stepwise Formation of Cadmium(II) Halide Complexes in Aqueous Solution at 25 degrees C. (1966) (29)
- Biosynthetic studies of marine lipids. 25. Biosynthesis of .DELTA.9(11)- and .DELTA.7-sterols and saponins in sea cucumbers (1990) (29)
- Long-acting contraceptive agents: Design of the who chemical synthesis programme (1983) (29)
- The Crystal and Molecular Structure of Hydroxyurea. (1966) (29)
- 4α-methyl-24S-ethyl-5α-cholestan-3β-ol and 4α-methyl-24S-ethyl-5α-cholest-8(14)-en-3β-ol, two new sterols from a cultured marine di (1981) (29)
- The scope and mechanism of the reaction of dinitrophenylhydrazine with steroidal bromo ketones. (1949) (29)
- Mechanism of the sodium cyanoborohydride reduction of .alpha.,.beta.-unsaturated tosylhydrazones (1976) (29)
- Optical Rotatory Dispersion Studies. LXXI.1 Halogen Atoms and the Octant Rule. The Conformations of Some 5α-Halocholestan-3-ones2 (1962) (29)
- Sterols in marine invertebrates. 32. Isolation of 3.beta.-(hydroxymethyl)-A-nor-5.alpha.-cholest-15-ene, the first naturally occurring sterol with a 15-16 double bond (1982) (29)
- Drugs from Third World plants: the future. (1992) (29)
- Terpenoids. XLV.1 Further Studies on the Structure and Absolute Configuration of Cafestol2 (1960) (29)
- Applications of artificial intelligence for chemical inference—X (1973) (29)
- Applications of Magnetic Circular Dichroism and Optical Rotatory Dispersion Measurements (1968) (29)
- Aryloxyacetamidines and 2-(aryloxymethyl)-imidazolines. (1947) (29)
- Stereochemical substructure codes for 13C spectral analysis (1981) (29)
- Mass spectrometry in structural and stereochemical problems. 250. Characteristic fragmentations of cholesterol acetate. (1977) (28)
- Preliminary IR and NMR investigations on the alkali soap - carboxylxic acid - water systems (1966) (28)
- Terpenoids. XLVIII.1 The Absolute Configuration of Eremophilone and Related Sesquiterpenes2 (1960) (28)
- Terpenoids. XIII.1 The Structures of the Cactus Triterpenes Machaeric Acid and Machaerinic Acid2 (1955) (28)
- STEROIDS. LV.1 STEROIDAL SAPOGENINS. XXXV.2 CHEMICAL INTRODUCTION OF THE 6β-HYDROXY GROUP INTO STEROIDAL Δ4-3-KETONES BY A TWO STEP SEQUENCE (1954) (28)
- The Crystal Structure of ScOF. (1966) (28)
- Terpenoids LXXV. Δ9(12)-capnellene, a new sesquiterpene hydrocarbon from the soft coral capnella imbricata (1978) (28)
- Steroids. CXXIII.1 19-Nor-6-methylandrostane Derivatives (1959) (28)
- Terpenoids. XLIV.1 Synthetic Confirmation of the Structure and Absolute Configuration of Petasin2 (1960) (28)
- Mechanismus der Reduktion von Tosylhydrazonen mit komplexen Metallhydriden (1965) (28)
- OPTICAL ROTATORY DISPERSION AND THE TWIST CONFORMATION OF CYCLOHEXANONES. (1962) (28)
- Mass spectrometry in structural and stereochemical problems–CLXXXIX: Electron‐impact induced fragmentations and rearrangements of alkoxycyclohexanol trimethylsilyl ethers and alkoxycyclohexyl trimethylsilanes (1970) (28)
- Steroids. XCVIII.1 Synthesis of Some 10β-Hydroxy-19-norsteroids (1958) (28)
- Optical Rotatory Dispersion Studies. XCII.1 Some Observations on the Conformation of cis-10-Methyl-2-decalones2 (1964) (28)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS. XLI. ISOTOPE EFFECT IN HYDROGEN REARRANGEMENT PROCESSES: THE MASS SPECTRA OF METHYL BUTYRATE AND ITS *gamma/-MONO-,DI-, AND TRIDEUTERIO ANALOGS (1964) (28)
- Optical Rotatory Dispersion Studies. XIII.1Assignment of Absolute Configuration to Certain Members of the Guaianolide Series of Sesquiterpenes*2 (1957) (28)
- The Systems Rhenium-Arsenic, Rhenium-Antimony, Rhenium-Bismuth, Rhenium-Tellurium, and Niobium-Antimony-Tellurium. (1966) (28)
- One step conversion of aldehydes to esters (1978) (28)
- Optical Rotatory Dispersion Studies. XXXVI.1 α-Haloketones (Part 7).2 Demonstration of Boat Form in the Bromination of 2α-Methylcholestan-3-one3,4 (1960) (28)
- Mass Spectrometric Fragmentation of Nitrophenylhydrazones (1965) (28)
- Optical Rotatory Dispersion Studies. LXXXV.1 Circular Dichroism and Optical Rotatory Dispersion of the Nitrite and Nitro Chromophores2 (1963) (28)
- Mass spectrometry in structural and stereochemical problems. XIX.. Akuammicine and related alkaloids. (1963) (27)
- ADDITIVITY RELATIONS IN CARBON-13 NUCLEAR MAGNETIC RESONANCE SPECTRA OF DIHYDROXY STEROIDS (1977) (27)
- Optical Rotatory Dispersion Studies. XLI.1 α-Haloketones (Part 9).2 Bromination of Optically Active cis-1-Decalone. Demonstration of Conformational Mobility by Rotatory Dispersion3 (1961) (27)
- Mass spectrometry in structural and stereochemical problems. CXXII. (1967) (27)
- Structure and biosynthesis of cyclopropane-containing sterols of marine origin (1990) (27)
- Synthesis of (24R)- and (24S)-5,28-stigmastadien-3.beta.-ol and determination of the stereochemistry of their 24-hydroxy analogs, the saringosterols (1983) (27)
- Steroids. CXXXVI.1 Synthesis of a New Class of Potent Cortical Hormones. 6α-Fluoro- and 6α,9α-Difluoro-16α-methylprednisolone and Related Steroids2 (1960) (27)
- Biosynthetic studies of marine lipids. 31. Evidence for a protonated cyclopropyl intermediate in the biosynthesis of 24-propylidenecholesterol (1991) (27)
- Mass spectrometry in structural and stereochemical problems. CVI. Occurrence of alkyl and aryl rearrangements in the fragmentation of some organic carbonates. (1966) (27)
- Alkaloid studies–XIX: Alkaloids of some Hawaiian Rauwolfia species: The structure of sandwicine and its interconversion with ajmaline and ajmalidine (1958) (27)
- The Structure of the Cactus Sterol Macdougallin (14α-Methyl-[UNK]-Cholestene-3β,6α-Diol)--A Novel Link in Sterol Biogenesis (1963) (27)
- Terpenoids. XXIV.1 The Structure of the Cactus Triterpene Queretaroic Acid (1956) (27)
- Relative Stabilities of cis and trans Isomers. VIII.1a Optical Rotatory Dispersion Studies. XXXIV.1b Kinetic and Equilibrium Measurements on Some Steroidal Hydrindanones (1960) (27)
- Mass spectrometry in structural and stereochemical problems. CCXXXIII. Stereochemical dependence of the retro-Diels-Alder reaction (1973) (27)
- Reaction of the Steroidal Sapogenin Spiroketal System with Ethanedithiol1 (1959) (27)
- Mass spectrometry in structural and stereochemical problems XXIII (1963) (27)
- Macrolide antibiotics—VII : The structure of neomethymycin (1958) (27)
- Alkaloid Studies. VIII.1 The Structures of the Diterpenoid Alkaloids Laurifoline and Cuauchichicine (1955) (27)
- STEROIDAL SAPOGENINS. VIII.1 STEROIDS. XVIII.2 SYNTHESIS OF Δ7,9(11)-ALLOPREGNADIEN-3β-OL-20-ONE FROM DIOSGENIN AND FROM Δ5-PREGNEN-3β-OL-20-ONE (1951) (27)
- 13C NMR spectra of sapogenins (1975) (27)
- Minor and trace sterols in marine invertebrates. 31. Isolation and structure elucidation of 23H-isocalysterol, a naturally occurring cyclopropene. Some comparative observations on the course of hydrogenolytic ring opening of steroidal cyclopropenes and cyclopropanes (1982) (27)
- Mass Spectrometry in Structural and Stereochemical Problems. XVIII.1Fragmentation and Hydrogen Transfer Reactions after Electron Impact on α-Decalones. Synthesis of Polydeuterated α-Decalones2 (1963) (27)
- Mass spectrometry in structural and stereochemical problems tabersonine (alkaloids of Walt. (1962) (26)
- Mass spectrometry in structural and stereochemical problems—CXVIII (1966) (26)
- Naturally Occurring Oxygen Heterocyclics. III.1 The Structure of the Isoflavone Tlatlancuayin2 (1958) (26)
- Carbon-13 nuclear magnetic resonance spectra of monounsaturated steroids. Evaluation of rules for predicting their chemical shifts (1981) (26)
- Copper Phthalocyanine. Infrared Absorption Spectra of Polymorphic Modifications. (1966) (26)
- The Crystal Structure of [Cu(N3)2(NH3)2]. (1966) (26)
- Mass spectrometry in structural and stereochemical problems. CCIX. Functional group interaction after electron impact. Anomalous ether cleavage in bifunctional benzyloxy ethers (1971) (26)
- Minor and trace sterols in marine invertebrates xvi. 3ξ-Hydroxymethyl-A-nor-5α-gorgostane, a novel sponge sterol (1980) (26)
- Cantor's Dilemma (1989) (26)
- Evidence of tautomerism in a triply /sup 15/N labeled monacetylporphyrin in NMR: kinetic HH/HD isotope effects and thermodynamics in CD/sub 2/Cl/sub 2/ (1986) (26)
- alpha-, gamma-, and epsilon-Muurolene, Major Sesquiterpenes of the Wood of Pinus sylvestris L. and of Swedish Sulphate Turpentine. (1966) (26)
- Magnetic circular dichroism studies. VIII. Investigation of some purine cyclonucleosides (1969) (26)
- A GENERALIZATION OF THE OCTANT RULE1 (1961) (26)
- Terpenoids. XXVII.1The Structure of the Cactus Triterpene Myrtillogenic Acid2 (1957) (26)
- Mass spectrometry in structural and stereochemical problems. CXXXIV. Electron impact induced alkyl and aryl rearrangements in .alpha.-arylidene cyclic ketones (1967) (26)
- Prognosis for the development of new chemical birth-control agents. (1969) (26)
- Steroids. LXI.1 Synthesis of 19-Nor-desoxycorticosterone, a Potent Mineralocorticoid Hormone2 (1955) (26)
- Mass spectrometry in structural and stereochemical problems. CXLVIII - Electron impact induced fragmentations of some cyclic sulfites and carbonates. (1968) (26)
- Terpenoids. I. The Triterpenes of the Cactus Lemaireocereus Thurberi (1953) (26)
- Terpenoids. XXXII.1 The Structure of the Cactus Triterpene Treleasegenic Acid. Ring Conformational Alterations in a Pentacyclic Triterpene2 (1958) (26)
- Dinoflagellates cyclize squalene oxide to lanosterol (1991) (25)
- Zur Synthese der beiden diastereomeren Formen des Guajacylglycerin-beta-(2-methoxyphenyl)-äthers und des Guajacylglycerins. (1966) (25)
- Alkaloid-Studien XLIX Die Strukturen von Vallesamin und O-Acetyl-vallesamin† (1964) (25)
- Planned Parenthood for Pets (1973) (25)
- Chemical studies of marine invertebrates—II : Terpenoids—LVIII Griseogenin, a new triterpenoid sapogenin of the sea cucumber halodeima grisea l. (1967) (25)
- Mass spectrometry in structural and stereochemical problems—XXXIII : Colchicine alkaloids☆☆☆ (1963) (25)
- Unusual Chemical Shifts in the Nuclear Magnetic Resonance Spectra of 7- and 11-Keto Steroids (1963) (25)
- Mass spectrometry in structural and stereochemical problems. CXLIII. Unusual fragmentations in the mass spectra of some aliphatic ethers (1967) (25)
- Stereoselective synthesis via Claisen rearrangements of the marine sterols occelasterol, patinosterol, and 22,23-dihydrooccelasterol (1982) (25)
- Computer-assisted structural interpretation of carbon-13 spectral data (1981) (25)
- Phospholipid studies of marine organisms. 7. Stereospecific synthesis of (5Z,9Z)-, (5Z,9E)-, (5E,9Z)-, and (5E,9E)-5,9-hexacosadienoic acid (1984) (25)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS, IV. VINDOLININE. (1962) (25)
- Peridinosterol - a new Δ17-unsaturated sterol from two cultured marine algae (1980) (25)
- A New Route to 1-Oxygenated Steroids1 (1962) (25)
- Mass spectrometry in structural and stereochemical problems. XLVI11For paper XLV see Beugelmans, R., Williams, D.H., Budzikiewicz, H., and Djerassi, C., J. AM. CHEM. SOC., submitted for publication. the mass spectrometric fragmentation of steroidal ethylene ketals and ethylene thioketals (1963) (25)
- Alkaloid Studies. XVI.1 Alkaloids of Rauwolfia tetraphylla L. The Structures of Tetraphylline and Tetraphyllicine2,3 (1957) (25)
- The Crystal and Molecular Structures of Complexes of Benzenetellurenyl Chloride and Bromide with Thiourea. (1966) (25)
- Mass spectrometry in structural and stereochemical problems. CCXXXIX. Elucidation of the ring D cleavage in lanostane (1974) (25)
- Terpenoids. XXV.1 The Structure of the Cactus Triterpene Dumortierigenin2,3 (1956) (25)
- Isolation and structure of 26,27-cycloaplysterol (petrosterol) a cyclopropane-containing marine sterol (1978) (25)
- Alkaloid Studies—XXXII : Studies on skytanthus acutus meyen. The structure of the monoterpenoid alkaloid skytanthine (1962) (25)
- The Constitution and Stereochemistry of Digitogenin1 (1956) (24)
- Nystatin. Part V. Biosynthetic definition of some structural features (1964) (24)
- The Crystal Structure of Dipotassium Trimolybdate. (1966) (24)
- STEROIDS. XXII. THE SYNTHESIS OF 19-NORPROGESTERONE (1951) (24)
- Massenspektrometrie und ihre Anwendung auf strukturelle und stereo‐chemische Probleme, XCVI. Massenspektrometrische Fragmentierungen von Azomethinen (1966) (24)
- Alkaloid studies. LXVIII. Novel piperidyl alkaloids from Lupinus formosus (1974) (24)
- 24ξ-Methylcholestane-3β,5a,6β,25-tetrql 25-monoacetate a novel polyhydroxylated steroid from an alcyonarian (1974) (24)
- Terpenoids-LXXII. Chemical studies of marine invertebrates.XXVI. Delta-9(12)-capnellene-3beta,8beta,10alpha,14-tetrol, a novel poly-oxygenated sesquiterpene from the Alcyonarian Capnella imbricata (1977) (24)
- Steroids. CII.1 Synthesis of 19-Norprogesterone from Estrone2 (1958) (24)
- Mass Spectrometry in Structural and Stereochemical Problems. LX.1The Electron Impact Induced Fragmentation of Steroidal Dimethylamines2 (1965) (24)
- STEROIDS. XXV.1 SYNTHESIS OF CORTISONE (1951) (24)
- Mass spectrometry in structural and stereochemical problems—CCXVI: Anomalous cleavage ions in bifunctional compounds resulting from participative interaction (1972) (24)
- Minor and trace sterols in marine invertebrates. 23. Xestospongesterol and isoxestospongesterol - first examples of quadruple biomethylation of the sterol side chain (1981) (24)
- Massenspektroskopie und ihre Anwendung auf strukturelle und stereochemische Probleme, LXI; Antibiotica aus Actinomyceten, L: Das massenspektroskopische Fragmentierungsverhalten der Anthracyclinone (1965) (24)
- Naturally Occurring Oxygen Heterocyclics. VII.1 The Structure of Mammein.2,3 (1960) (24)
- STEROIDAL SAPOGENINS. XXIII.1 INTRODUCTION OF THE 11-KETO AND 11α-HYDROXY GROUPS INTO RING C UNSUBSTITUTED STEROIDS (PART 6). NEW APPROACH TO 11-OXYGENATED STEROIDS (1952) (24)
- Fertility awareness: jet-age rhythm method? (1990) (24)
- Synthese des Isoeugenolglykol-beta-(2-methoxyphenyl)-äthers. (1966) (24)
- High performance liquid chromatography and fast atom bombardment mass spectrometry of unusual branched and unsaturated phospholipid molecular species. (1987) (24)
- A new sterol from an alcyonarian. (1972) (24)
- Terpenoids. LXIV. Chemical studies of marine invertebrates. V. The isolation of three new holothurinogenins and their chemical correlation with lanosterol. (1969) (24)
- Steroids. CXXXIV.1 Derivatives of 17α-Ethylnyltestosterone and 17α-Ethynyl-19-nortestosterone (1960) (24)
- Mass Spectrometry in Structural and Stereochemical Problems. XLV.1 The Mass Spectrometric Fragmentation Behavior of Isohexyl Cyanide and Its Deuterium Analogs2 (1964) (24)
- Halogenation of Ketones. IV. The Deuteration of Butanone-2. (1966) (24)
- Stereochemistry of a Friedel-Crafts Intermediate. The Crystal Structure of the Aluminiumchloride-Benzoyl Chloride Complex. (1966) (24)
- Minor and trace sterols in marine invertebrates. Part 20. 3ξ-Hydroxymethyl-A-nor-patinosterol and 3ξ-hydroxymethyl-A-nor-dinosterol. Two new sterols with modified nucleus and side-chain from the sponge Teichaxinella morchella (1981) (24)
- Phospholipid studies of marine organisms: New branched fatty acids fromStrongylophora durissima (1984) (23)
- Liquid chromatography-mass spectrometry of polar lipids (1982) (23)
- Saponin from Ladino Clover (Trifolium repens)1,2 (1955) (23)
- Optical rotatory dispersion studies. 136. Enzymic reduction of 2-methyl-2-(trideuteriomethyl)cyclohexane-1,3-dione. Unusual conformation of 2,2-dimethyl-3-hydroxycyclohexanone (1983) (23)
- Synthesis of cholest-5-ene-3.beta.,11.alpha.15.beta.-triol-7-one. A model for the steroid nucleus of oogoniol, a sex hormone of the water mold Achlya (1977) (23)
- A stereoselective synthesis of two stereoisomers of demethylgorgosterol. (1975) (23)
- The Crystal Structure of Tellurium Bis(dimethyldithiophosphate). (1966) (23)
- THE STRUCTURES OF TETRAPHYLLICINE, AJMALIDINE AND RAUVOMITINE1 (1956) (23)
- Amino Acids in Soil. I. Water-soluble Acids. (1963) (23)
- Sterols in marine invertebrates. 49. Isolation and structure elucidation of eight new polyhydroxylated sterols from the soft coral Sinularia dissecta (1985) (23)
- Steroidal Sapogenins. XVI.1aIntroduction of the 11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids (Part 3).1b11-Oxygenated Sapogenins (1952) (23)
- Steroids. V.1 The Synthesis of Adrenal Corticosteroids and Analogs from Allopregnan-3β-o1-20-one (1950) (23)
- The Preparation of alpha-Haloalkyl Esters. (1966) (23)
- Terpenoids. VIII.1 The Structures of the Cactus Triterpenes Gummosogenin and Longispinogenin2,3 (1954) (23)
- Terpenoids—LXXVI1: Precapnelladiene, a possible biosynthetic precursor of the capnellane skeleton (1979) (23)
- Circular dichroism of molecules with isotopically engendered chirality (1981) (23)
- Optical Rotatory Dispersion Studies. LXX. Anomalous Rotatory Dispersion of Xanthates: Application in Stereochemical Studies of Alcohols. (1962) (23)
- Mass spectrometry in structural and stereochemical problems LXXVIII. steroidal Δ4-3,6-diketones (1965) (23)
- Biosynthetic studes of marine lipids 7 (1986) (23)
- The Structures of the Aspidosperma Alkaloids Spegazzinine and Spegazzinidine (1962) (23)
- Minor and trace sterols in marine invertebrates. 19. Isolation, structure elucidation, and partial synthesis of 24-methylene-25-ethylcholesterol (mutasterol): first example of sterol side-chain bioalkylation at position 25 (1981) (23)
- Mass Spectrometry in Structural and Stereochemical Problems. CXIII.1 Specific Hydrogen Rearrangements in the Fragmentations of Hydrazones2 (1966) (23)
- The Crystal Structure of Nb7P4. (1966) (23)
- Biosynthetic studies of marine lipids. 38. Mechanism and scope of sterol side chain dealkylation in sponges: evidence for concurrent alkylation and dealkylation (1992) (23)
- Synthesis of 5,9-hexacosadienoic acid phospholipids. 11. Phospholipid studies of marine organisms. (1985) (22)
- Mass spectrometry in structural and stereochemical problems. CXXXVI. Primary hydrogen isotope effects in the McLafferty rearrangement (1967) (22)
- Side-chain transformations and deuterium labeling in the steroidal sapogenin series. (1970) (22)
- Magnetic circular dichroism studies. IV. Investigation of annulene derivatives (1967) (22)
- Sterols of marine invertebrates. XXXXIV: Isolation, structure elucidation, partial synthesis, and determination of absolute configuration of pulchrasterol―the first example of double bioalkylation of the sterol side chain at position XXVI (1983) (22)
- Polarographic Investigations of Organic Selenium Compounds. VI. The Polarographic Reduction of Diphenyl Diselenide and Diphenyl Disulphide. (1966) (22)
- Separation of Trimethylsilyl Ethers of Triterpenes by Thin Layer Chromatography: Triterpenes in Wood from Populus tremula L.. (1966) (22)
- Application of selenosulfonation to marine sterol synthesis. Preparation of 24,28-dehydroaplysterol, xestosterol and ostreasterol from a common acetylenic intermediate (1986) (22)
- Hydrolysis of Anilides. II. Hydrolysis of Trifluoro-and Trichloroacetanilide by Hydroxyl Ions and by Some Other Catalysts. (1966) (22)
- Mass spectrometry in structural and stereochemical problems. CXLV. Factors governing the preferential loss of small vs. large radicals in ketones, Schiff bases, and ethers (1967) (22)
- Mass spectrometry in structural and stereochemical problems—CXCVII: Electron‐impact induced functional group interaction in 4‐benzyloxycyclohexyl trimethylsilyl ether (1970) (22)
- Terpenoids. XI.1 Investigation of Nine Cactus Species. Isolation of Two New Triterpenes, Stellatogenin and Machaeric Acid2 (1955) (22)
- The DENDRAL project: computational aids to natural products structure elucidation (1982) (22)
- Solvent Extraction of Chlorocomplexes by Triisooctylamine/Carbon Tetrachloride from Hydrochloric Acid Medium. (1966) (22)
- 379. The constitutions of dammarenolic and nyctanthic acid (1960) (22)
- Steroid reactions : an outline for organic chemists (1963) (22)
- Steroids. XLII. Steroidal Sapogenins. XXVI.1 The Chemical Reduction of Δ8-11-Keto and of Saturated 11-Keto Steroids. A New Approach to 11-Keto and 11α-Hydroxy Steroids2 (1953) (22)
- Optical Rotatory Dispersion Studies. XXI.1 Effect of Ring Size2 (1959) (22)
- The Reaction between 5-Dimethylaminotetrazole and Sulfonyl Chlorides. (1966) (22)
- Acansterol: a cyclopropane-containing marine sterol from Acanthaster planci (1971) (21)
- Mass spectrometry in structural and stereochemical problems. CCXLIII. Functional group interaction. Unusual fragmentations of amides as exemplified by bipiperidyl alkaloids (1974) (21)
- Terpenoids. XVII.1 The Cactus Triterpenes Thurberogenin and Stellatogenin2 (1955) (21)
- Synthesis and Reactions of 2-Cyclopenten-1-ylmagnesium Chloride. (1966) (21)
- Biosynthetic studies of marine lipids. 39. 19-Norsterols: the course of C-19 methyl elimination (1992) (21)
- Optical Rotatory Dispersion Studies. I. The Androstane Series1 (1955) (21)
- Optical rotatory dispersion studies. CVII. Factors governing the relative stability of hydrindanones. Syntheses of 17-alkyl-15-keto steroids. (1967) (21)
- Biosynthetic studies of marine lipids. 9. Stereochemical aspects and hydrogen migrations in the biosynthesis of the triply alkylated side chain of the sponge sterol strongylosterol (1986) (21)
- This man's pill : reflections on the 50th birthday of the pill (2003) (21)
- Massenspektrometrie und ihre Anwendung auf strukturelle und stereochemische Probleme. CCXXVI. Wasserabspaltung durch Elektronenstoß von 3-Hydroxy-5β-cholanen (1973) (21)
- Optical Rotatory Dispersion Studies. XLVIII.1 The Nitroso Chromophore2 (1961) (21)
- Hydrogen deuterium randomization in 7-methyl-4-octanone-7-d1 at times of 10-11-10-5 sec following field ionization (1974) (21)
- Alkaloid Studies. I. The Isolation of Pilocereine from the Cactus Lophocereus schottii1 (1953) (21)
- Massenspektrometrie und ihre Anwendung auf strukturelle und stereochemische Probleme, LXXXVII. Möglichkeit von Alkylwanderungen bei aromatischen Verbindungen (1966) (21)
- APPLICATIONS OF ARTIFICIAL INTELLIGENCE FOR CHEMICAL INFERENCE. 33. COMPUTER-ASSISTED ELUCIDATION OF MOLECULAR STRUCTURE WITH STEREOCHEMISTRY (1980) (21)
- The Structure of Tubulosine, a Novel Alkaloid from Pogonopus tubulosus (DC.) Schumann (1964) (21)
- Die absolute Konfiguration des Sesquiterpenoids Petasin (1959) (21)
- Steroids. CVII.1 Δ5(6)-19-Nor Steroids, a New Class of Potent Anabolic Agents2 (1959) (21)
- THE STRUCTURE OF THE ANTIBIOTIC NEOMETHYMYCIN (1957) (21)
- NMR-measurements on 81Br(-)-Counterions in Micellar Solutions. (1966) (21)
- Magnetic circular dichroism. 65. Sign variation in the magnetic circular dichroism spectra of free-base porphyrins having a single .pi.-acceptor pyrrole ring substituent. Structure implications (1984) (21)
- Cell membrane localization of long chain C24−C30 fatty acids in two marine demosponges (1988) (21)
- Mass spectrometry in structural and stereochemical problems. CLXXIX - The electron impact induced rearrangements of 1-phenylheptenes - Further evidence for double bond lability (1969) (21)
- Terpenoids. XXII.1Triterpenes from Some Mexican and South American Plants2 (1956) (21)
- SOME EFFECTS OF SOLVATION UPON OPTICALLY ACTIVE MOLECULES. (1963) (21)
- Terpenoids. XXXVIII.1 Interconversion of Eremophilone, Hydroxyeremophilone and Hydroxydihydroeremophilone. The Relative Stereochemistry of Eremophilone and its Reduction Products2,3 (1959) (21)
- Steroids. XII.1 Aromatization Experiments in the Progesterone Series2 (1951) (21)
- Mass spectrometry in structural and stereo‐chemical problems—CCXXIV: Fragmentation of cyclopropanes (1973) (21)
- Sterols in marine invertebrates. 60. Isolation and structure elucidation of four new steroidal cyclopropenes from the sponge Calyx podatypa (1988) (21)
- Mass spectrometry in structural and stereochemical problems. CLXXXVIII. Electron impact induced behavior of branched ketones and esters, with special emphasis on hydrogen rearrangements (1970) (21)
- Reactions of Chlorine Dioxide with Unsaturated Compounds. II. Methyl Oleate. (1966) (21)
- Mass spectrometry in structural and stereochemical problems. 248. Stereochemical effects in electron impact induced retro-Diels-Alder fragmentations (1977) (21)
- An Electron Diffraction Investigation of Cyclooctane and Cyclotetradeca-1,8-diyne. (1966) (20)
- Mass spectrometry in structural and stereochemical problems. 249. Elucidation of the course of the characteristic ring D fragmentation of unsaturated steroids (1977) (20)
- Neue Sterine aus dem Kaktus Wilcoxia viperina (1964) (20)
- Minor and trace sterols in marine invertebrates. 8. Isolation, structure elucidation, and partial synthesis of two novel sterols - stelliferasterol and isostelliferasterol (1978) (20)
- Untersuchungen mit optischer Rotationsdispersion, CXIII1) Molybdat‐Pyranose‐Komplexe2) (1968) (20)
- Sterols in marine invertebrates. Part 42. Isolation, partial synthesis and structure determination of sterols with the four possible 23,24-dimethyl-substituted side chains (1983) (20)
- New natural 2-acetoxy fatty acids using chemical ionization and electron impact mass spectrometry (1985) (20)
- Synthesis and Reactions of Chlorinated 3-Ketosteroids (1953) (20)
- ON THE ABSOLUTE CONFIGURATION OF THE ANTIBIOTIC ACTIDIONE (1958) (20)
- 789. Terpenoids. Part LI. The isolation of some new cyclopropane-containing triterpenes from Spanish moss (Tillandsia usneoides, L.) (1962) (20)
- The ultraviolet absorption spectra of steroidal dinitrophenylhydrazones. (1949) (20)
- Amino Acids in Soil. II. Distribution of Water-soluble Amino Acids in a Pine Forest Soil Profile. (1963) (20)
- Structure of Julocrotine1,2 (1961) (20)
- Sterols of marine invertebrates. 63. Isolation and structure elucidation of sutinasterol, the major sterol of the marine sponge Xestospongia sp (1991) (20)
- Hydroxylation of Desoxycorticosterone with Neurospora crassa1 (1955) (20)
- Steroids, XXVII. Synthesis of allopregnane-3beta, 11beta, 17alpha-, 20beta, 21-pentol from cortisone and diosgenin. (1952) (20)
- Double-bond location in long-chain polyunsaturated fatty acids by chemical lonization-mass spectrometry (1983) (20)
- Terpenoide, LIV. Arborinol, ein neuer Triterpen‐Typus (1963) (20)
- On the Solubility of Carbon Dioxide in Molten Alkali Halides. (1966) (20)
- Optical rotatory dispersion studies. CXIX. Effect of ring heteroatomms on the Cotton effect of cyclohexanones (1973) (20)
- Massenspektrometrie und ihre Anwendung auf strukturelle und stereochemische Probleme CLXVII Langkettige Wasserstoffverschiebung in der Massenspektrometrie (1968) (20)
- Problems of manufacture and distribution The manufacture of steroidal contraceptives: technical versus political aspects (1976) (20)
- 24ξ-Methylcholestane-3β,5α,6β,12β,25-pentol 25-monoacetate, a novel polyoxygenated marine sterol (1975) (20)
- Steroids. CXLV.1 2-Methylandrostane Derivatives. Demonstration of Boat Form in the Bromination of 2α-Methyl-androstan-17β-o1-3-one (1960) (20)
- MAGNETIC CIRCULAR DICHROISM STUDIES: A PRELIMINARY REPORT. (1965) (20)
- Isotope labelling and mass spectrometry of natural products (1964) (20)
- Optical Rotatory Dispersion Studies. XC.1 The Octant Rule and the Isopropyl Group. Synthesis of Steroidal Isopropyl Ketones2 (1964) (20)
- Alkaloid Studies. IX.1Rauwolfia Alkaloids. IV.2Isolation of Reserpine and Other Alkaloids from Rauwolfia sellowii Muell. Argov.3 (1955) (20)
- A new look at male contraception (1994) (20)
- On the Tautomerism of Some 3-Hydroxythiophene Aldehydes and Acids. (1966) (20)
- Alkaloid studies—XXX : Isolation and constitution of three new Aspidosperma alkaloids: Cylindrocarpine, cylindrocarpidine and pyrifolidine (1961) (20)
- A Molecular Orbital Study of Nickel Dimethylglyoxime. (1966) (20)
- Terpenoids. XLIII.1 On the Absolute Configuration on Guaiol. Correlation with Nepetalinic Acid2 (1960) (20)
- Terpenoids. V.1 The Isolation of Iresin, a New Sesquiterpene Lactone2 (1954) (20)
- Biosynthetic studies of marine lipids 16. De novo sterol biosynthesis in sponges. Incorporation and transformation of cycloartenol and lanosterol into unconventional sterols of marine and freshwater sponges (1989) (20)
- Naturally Occurring Oxygen Heterocyclics. II.1 Characterization of an Insecticidal Principle from Mammea americana L.2 (1958) (19)
- Optical rotatory dispersion studies—LXXXIII; thiosteroids—IX (1963) (19)
- Steroidal Sapogenins. XXII.1 Steroids. XXXIV.2 Degradation of 11-Oxygenated Sapogenins. Synthesis of Allopregnane-3β,11β-diol-20-one and Allopregnane-3β,11α-diol-20-one (1952) (19)
- STEROIDAL SAPOGENINS. XXI.1 IDENTIFICATION BY THE ABSORPTION SPECTRA OF THEIR SULFURIC ACID CHROMOGENS (1952) (19)
- STEROIDS. CXXII.1 6α-FLUORO-16α-METHYLCORTI-COIDS—SYNTHESIS AND BIOLOGICAL ACTIVITY (1959) (19)
- The Aroma of Black Currants. III. Chemical Characterization of Different Varieties and Stages of Ripeness by Gas Chromatography. (1966) (19)
- Isolation, structure elucidation and partial synthesis of xestosterol, biosynthetically significant sterol from the sponge Xestospongia muta (1979) (19)
- Cortical Hormones from alloSteroids: Synthesis of Cortisone from Reichstein's Compound D (1951) (19)
- Alkaloid studies—XX : Isolation and structure of two new cactus alkaloids piloceredine and lophocerine (1958) (19)
- Terpenoids. III.1 The Isolation of Erythrodiol, Oleanolic Acid and a New Triterpene Triol, Longispinogenin, from the Cactus Lemaireocereus longispinus2 (1953) (19)
- Unusual pattern of fatty acid biosynthesis. Evidence for C-19 desaturase activity in freshwater sponges. (1989) (19)
- Optical rotatory dispersion studies. 134. Absolute configuration and circular dichroism spectrum of (R)-[2-2H1]cyclopentanone. Demonstration of a conformational isotope effect (1981) (19)
- Mass spectrometry in structural and stereochemical problems. 218. The electron impact induced behavior of terpenoid esters of the juvenile hormone class. (1972) (19)
- Minor and trace sterols in marine invertebrates 53: Further novel marine sterols resulting from triple and quadruple biomethylation of the cholesterol side-chain (1985) (19)
- Investigation of xanthine oxidase. Magnetic circular dichroism studies. (1971) (19)
- Biosynthetic studies of marine lipids. 26. Elucidation of the biosynthesis of mutasterol, a sponge sterol with a quaternary carbon in its side chain (1991) (19)
- Biosynthetic studies of marine lipids. 34. Stereochemical features of the enzymic C-methylation on the path to isofucosterol and fucosterol (1991) (19)
- Alkaloid studies. : The structures of stemmadenine and condylocarpine. (1962) (19)
- Complete structure and absolute configuration (1959) (19)
- Terpenoids. LXVIII. 23ξ-Acetoxy-17-deoxy-7,8-dihydroholothurinogenin, a new triterpenoid sapogenin from a sea cucumber (1973) (19)
- Scope and regiochemical control of the allylpotassium reaction in the synthesis of sterols with unsaturated side chains (1989) (19)
- THE MAGNETIC CIRCULAR DICHROISM OF PORPHYRIN DICATIONS1 * (1973) (19)
- 275. Naturally occurring oxygen heterocyclics. Part XI. Veraguensin (1962) (19)
- Biosynthetic studies of marine lipids. 35. The demonstration of de novo sterol biosynthesis in sponges using radiolabeled isoprenoid precursors. (1991) (19)
- Alkaloid studies—LVIII (1967) (19)
- The Crystal Structure of Mo5As4. (1966) (19)
- Alkaloid studies XLII. The structures of dichotamine, 1-acetyl-aspidoalbidine and 1-acetyl-17-hydroxyaspidoalbidine: three new alkaloids from ruiz et pav (1963) (19)
- STEROIDS. XXIX.1SYNTHESIS OF 11β-HYDROXYPROGESTERONE (1952) (19)
- Absolute Configuration and Optical Rotatory Dispersion of 3-Methylcycloheptanone and 4-Methylcycloheptanone (1963) (19)
- Optical rotatory dispersion studies—CIV (1965) (19)
- Terpenoids. II. Experiments in the Cafestol Series (1953) (19)
- Mass spectrometry in structural and stereochemical problems. CLXXVI - The course of the electron impact induced fragmentation of androstane (1969) (19)
- TERPENOIDS. XXXIII.1 THE STRUCTURE AND PROBABLE ABSOLUTE CONFIGURATION OF CAFESTOL (1958) (19)
- Mass spectrometry in structural and stereochemical problems. Vincadifformine (alcaloïdes des pervenches) (1962) (19)
- Crystal Structure Refinements of the Ti3P-Type Phosphides Nb3P and Zr3P. (1966) (19)
- Sterols in marine invertebrates. 33. Structure of five new 3.beta.-(hydroxymethyl)-a-nor steranes: indirect evidence for transformation of dietary precursors in sponges (1982) (19)
- Unusual sponge phospholipids and their analogs. Synthesis and interactions with conventional phospholipids and cholesterol in model membranes (1988) (18)
- Mass spectrometry in structural and stereochemical problems. CLIV. Electron impact-promoted fragmentation of alkyl tetrahydropyranyl ethers and thioethers (1968) (18)
- Mass spectrometry in structural and stereochemical problems. CCXV. Behavior of phenyl-substituted .alpha.,.beta.-unsaturated ketones upon electron impact. Promotion of hydrogen rearrangement processes (1972) (18)
- 962. Optical rotatory dispersion: application of the octant rule to some structural and stereochemical problems (1962) (18)
- Acid Hydrolysis of the Monoisopropyl Ethers of Methyl alpha- and beta-D-Glucopyranoside. (1966) (18)
- Mass spectrometry in structural and stereochemical problems—CCXXXI (1973) (18)
- Mass spectrometry in structural and stereochemical problems. CXIX. Interaction of remote functional groups in mass spectrometry. (1966) (18)
- Birth control in Japan: realities and prognosis. (1994) (18)
- STEROIDS. LXIII.1 SYNTHESIS OF Δ4-19-NORPREGNENE-11β,17α,21-TRIOL-3,20 DIONE (19-NORHYDROCORTISONE) AND RELATED 19-NORADRENAL HORMONES (1954) (18)
- The Crystal Structure of a Potassium Tellurate(VI). (1966) (18)
- Sterols in marine invertebrates. 51. Isolation and structure elucidation of C-18 functionalized sterols from the soft coral Sinularia dissecta (1985) (18)
- CONFIGURATION AND OPTICAL ROTATORY DISPERSION OF ATROPISOMERIC BIARYLS1 (1960) (18)
- THE SYNERGISTIC EFFECT ON THE EXTRACTION OF $sup 233$U(VI) BY DI- BUTYLPHOSPHATE (DBP) AND TRI-BUTYLPHOSPHATE (TBP) OR TRI-OCTYL PHOSPHINEOXIDE (TOPO) (1966) (18)
- Minor and trace sterols from marine invertebrates 29. (22E)-ergosta-5,22,25-trien-3β-ol and (22E,24R)-24,26-dimethylcholesta-5,22,25(27)-trien-3β-ol. Two new marine sterols from the sponge Pseudaxinella lunacharta (1981) (18)
- The Reaction of N-Iodosuccinimide with Enol Acetates of Δ4-3-Ketosteroids2 (1955) (18)
- Minor and trace sterols in marine invertebrates. 24-Ethyl-.DELTA.5,24(28),28-cholestatrien-3.beta.-ol - a naturally occurring allenic marine sterol (1978) (18)
- The distribution of lipids and sterols in cell types from the marine spongePseudaxinyssa sp (1989) (18)
- Terpenoids. XLIX.1 Preparation of Optically Active Polyalkylcyclohexanones from (+)-Pulegone, (-)-Menthone and (-)-Carvone2 (1961) (18)
- The Crystal Structure of Mo3Sb7. (1966) (18)
- TERPENOIDS XV.1 THE CONSTITUTION OF IRESIN. A NEW FUNDAMENTAL SESQUITERPENE SKELETON. (1954) (18)
- Mass spectrometry in structural and stereochemical problems. CLXXVII. Application of ion cyclotron resonance to the structure elucidation of the C3H6O.+ ion formed in the double McLafferty rearrangement (1969) (18)
- Optical Rotatory Dispersion Studies. LXIX.1 The Absolute Configuration of the 2-Methylcyclohexanols and Some Observations on a Twist Form in the Conformational Equilibrium of 2-Methylcyclohexanone (1962) (18)
- Separation and Quantitative Determination of Aldonic Acids by Gas-Liquid Chromatography. (1966) (18)
- Steroids. XVII.1 A Steroidal Cyclopropyl Ketone (1951) (18)
- Alkaloid Studies. IV.1 The Isolation of Reserpine, Serpentine and Ajmaline from Rauwolfia heterophylla Roem. and Schult.2 (1954) (18)
- LEAD TETRAACETATE OXIDATION OF STEROIDAL GLYCOLS. SOME OBSERVATIONS ON OUABAGENIN (1954) (18)
- Selektive Acetalisierung von Steroidketonen mit [Tris‐triphenylphosphin]‐rhodium(I)‐chlorid (1968) (18)
- TERPENOIDS. XXXV.1 THE STRUCTURE AND ABSOLUTE CONFIGURATION OF IRESIN2 (1958) (18)
- Cell membrane localization of sterols with conventional and unusual side chains in two marine demonsponges (1988) (17)
- Elektronenbeugungs-Untersuchung der Konformation des Biscyclobutyls. (1966) (17)
- Magnetic circular dichroism studies. XXV. A preliminary investigation of microsomal cytochromes. (1974) (17)
- STEROIDS. XXVIII.1 INTRODUCTION OF THE 11-KETO AND 11α-HYDROXY GROUPS INTO RING C UNSUBSTITUTED STEROIDS (PART 2) (1951) (17)
- Optical Rotatory Dispersion Studies. XCV.1 Effect of Ring Size in Some Bicyclic Ketone s2 (1964) (17)
- A DIRECT CORRELATION OF THE DITERPENE ALKALOIDS AND HYDROCARBONS OF THE PHYLLOCLADENE GROUP. INTERCONVERSION OF GARRYFOLINE AND STEVIOL1 (1961) (17)
- Terpenoids. XVI.1 The Constitution of the Cactus Triterpene Cochalic Acid. Partial Reductions of Methyl Diketoechinocystate2 (1955) (17)
- Synthesis of corticosteroids from marine sources. (1973) (17)
- Macrolide antibiotics—VIII : The absolute configuration of certain centers in neomethymycin, erythromycin and related antibiotics (1958) (17)
- Occurrence of 19-nor cholesterol and homologs in marine animals (1976) (17)
- Untersuchungen mit optischer Rotationsdispersion, CXV. α‐Hydroxysäure‐Molybdat‐Komplexe (1969) (17)
- Untersuchungen mit optischer Rotationsdispersion, CXIV. Molybdat-Polyalkohol-Komplexe (1969) (17)
- Optical rotatory dispersion studies, LXVII. Die Stereochemie der isomeren Isopulegone. Darstellung von (+)‐iso‐Isopulegon durch thermische Isomerisierung von (+)‐Pulegon (1962) (17)
- Minor and trace sterols in marine invertebrates. 15. Ficisterol (23-ethyl-24-methyl-27-norcholesta-5,25-dien-3.beta.-ol). A biosynthetically unprecedented sterol from the marine sponge Petrosia ficiformis (1980) (17)
- STEROIDS. XLIX.1 19-NOR-DESOXYCORTICOSTERONE, A POTENT MINERALOCORTICOID HORMONE (1953) (17)
- Isolation of Quebrachamine and of a New Dihydroindole Alkaloid, Spegazzinine, from Aspidosperma chakensis Spegazzini (1956) (17)
- Minor and trace sterols in marine invertebrates 30. Isolation, structure elucidation and partial synthesis of 26-methylstrongylosterol and 28-methylxestosterol - two marine sterols arising by a novel quadruple biomethylation sequence (1981) (17)
- ALKALOID STUDIES. II.1 ISOLATION OF RESERPINE AND NARCOTINE FROM RAUWOLFIA HETEROPHYLLA ROEM. AND SCHULT (1953) (17)
- Mass Spectrometry in Structural and Stereochemical Problems. LXXV.1 Occurrence of Alkyl Rearrangements in the Fragmentation of Some Formaldehyde Acetals2 (1965) (17)
- Reaction of Tri-O-acetyl- and Tri-O-benzoyl-D-glucal with Hydrogen Fluoride. (1966) (17)
- STEROIDS. CXVII.1 6α-FLUORO-16α-HYDROXY CORTICAL HORMONES (1959) (17)
- Optical Rotatory Dispersion Studies. XXIII.1α-Haloketones (Part 3)2 (1959) (17)
- Minor and trace sterols in marine invertebrates. 27. Isolation, structure elucidation, and partial synthesis of 25-methylxestosterol, a new sterol arising from quadruple biomethylation in the side chain (1981) (17)
- Massenspektrometrie und ihre Anwendung auf Strukturelle und stereochemische Probleme. LII. Vinca-Alkaloide, 28. Mitteilung. Über die Struktur und massenspektrometrische Fragmentierung von Vindolinin† (1964) (17)
- Biosynthetic studies of marine lipids 8 : Course of the stereoselective alkylation and regioselective hydrogen migration in the biosynthesis of the sponge sterol 24(s)-24 isopropenylcholesterol (1986) (17)
- Steroidal Sapogenins. XII.1The Configuration of the Hydroxyl Groups in Kammogenin, Yuccagenin, Lilagenin and Gitogenin (1951) (16)
- Alkaloid studies. LIX. The structure and absolute configuration of vallesamidine. (1968) (16)
- The Crystal Structure of Pt8Al21. (1966) (16)
- Studies of Chelates with Heterocyclic Ligands. II. Ionic Nickel(II) and Copper(II) Chelates with 8-Aminoquinoline and some of its Derivatives. (1966) (16)
- Minor and trace sterols in marine invertebrates XVII. 1 (24R)-24,26-dimethylcholesta-5,26-dien-3β-01, a new sterol from the sponge Petrosia ficiformis (1980) (16)
- Preparation and Properties of Dithio- and Diselenocarbazic Acids. (1966) (16)
- Magnetic circular dichroism studies—63. Sign variation in the magnetic circular dichroism spectra of some perimeter symmetric metallo porphyrins (1984) (16)
- The Defect Structure of Rutile Containing Small Additions of Aluminium Oxide. (1966) (16)
- Minor and trace sterols from marine invertebrates. 58. Stereostructure and synthesis of new sponge sterols jaspisterol and isojaspisterol (1987) (16)
- Phospholipid studies of marine organisms: 14. Ether lipids of the spongeTethya aurantia (1987) (16)
- Proton Magnetic Resonance Spectra of Thiazoles. Chemical Shifts and Substituent Effects. (1966) (16)
- Mass spectrometry in structural and stereochemical problems. CXLII. Electron impact. Induced analogies to thermal elimination processes in S-methyl xanthates and esters (1968) (16)
- Steroidal Sapogenins. XX.1a Synthesis and Reactions of the Epimeric Δ5-22-Isospirosten-3β,7-diols1b (1952) (16)
- Chemical birth of the pill (2006) (16)
- Mass spectrometry in structural and stereochemical problems. CCXIV. Electron impact induced fragmentation of simple acetylenes (1972) (16)
- Kinetics of the Alkaline Hydrolysis of Aminoalkyl Esters of Carboxylic Acids. (1962) (16)
- The Crystal and Molecular Structure of beta-Lyxose. (1966) (16)
- The Heat of Combustion and Polymerization of beta-Propiolactone. (1966) (16)
- Naturally occurring oxygen heterocyclics V. Mammein (1959) (16)
- Mass Spectrometry in Structural and Stereochemical Problems. LI.1Mass Spectral and Enolization Studies on 7-Keto-5α-androstanes2 (1964) (16)
- Mass spectrometry in structural and stereochemical problems. CLI. Further studies on the mass spectrometry of 17-keto steroids. (1967) (16)
- Steroids from starfish. (1973) (16)
- Mass spectrometry in structural and stereochemical problems—CCXXIII:ortho interactions of nitro groups (1973) (16)
- Direct Calculation of Successive Stability Constants from an Experimental Formation Curve. (1966) (16)
- Applications of artificial intelligence for chemical inference. IX. Analysis of mixtures without prior separation as illustrated for estrogens. (1973) (16)
- Side chain-hydroxylated sterols of the red alga Asparagopsis armata : Significant products or artifacts due to autoxidation? (1979) (16)
- Minor and trace sterols in marine invertebrates 39. 1 1 For part 38, see ref. 10. 24ξ,25ξ-24,26-cyclocholest-5-en-3β-ol, a novel cyclopropyl sterol. (1982) (16)
- Optical Rotatory Dispersion Studies. XLII. Disulfides and Diselenides. (1961) (16)
- A Method for the Resolution of Composite Radial Pair Distribution Functions. (1966) (16)
- Mass spectrometry in structural and stereochemical problems. XCIV. Steroidal delta-16-20-ketones and delta-9(11)-12-ketones. (1965) (16)
- Mass spectrometry in structural and stereochemical problems—CLXXXVII A study of skeletal rearrangements in chromans by combined 13C and deuterium labeling†‡ (1970) (16)
- Naturally Occurring Oxygen Heterocyclics. VIII.1 Synthesis of Some Coumarins Related to Mammein2 (1960) (16)
- BIOLOGICAL IMPLICATIONS OF RECENT DISCOVERIES IN THE MARINE STEROL FIELD (1980) (16)
- Mass spectrometry in structural and stereochemical problems CLII. Electron impact promoted fragmentation of some substituted germacyclopentanes and germacyclopentenes (1968) (16)
- Steroids. CLXXVII.1 New Approaches to C-11 Oxygenated 19-Norpregnanes2 (1962) (16)
- Optical Rotatory Dispersion Studies. LI.1 Absolute Configurational Assignments of α-Amino Acids and Peptides through Anomalous Rotatory Dispersion of N-Phthaloyl Derivatives2 (1961) (16)
- Stereospecificity and regiospecificity of the phosphorus oxychloride dehydration of sterol side chain alcohols (1989) (16)
- The Partial Structure of Methymycin1 (1956) (16)
- The fragmentation of aliphatic ketones in the mass spectrometer: A detailed study of nonan‐4‐one using ion kinetic energy spectroscopy (1971) (16)
- STEROIDS. XCVI.1 THE SYNTHESIS OF EQUILIN (1958) (16)
- Mass spectrometry in structural and stereochemical problems—XXXVII. : Tropone and tropolone derivatives☆☆☆★ (1963) (16)
- The synthesis of estradiol and l-methylestradiol from cholesterol. (1946) (16)
- A Convenient Process for the Synthesis of Organic Compounds of High Deuterium Content. (1966) (16)
- Optical Rotatory Dispersion Studies. LXXXII.1a Conformational Analysis. XXXVII.1b Determination of the Stereochemistry and Conformation of the Four Isomeric Cyanodihydrocarvones by Optical Rotatory Dispersion and Dipole Moment Measurements2 (1963) (16)
- Massenspektrometrie und ihre anwendun auf strukturelle und stereochemische Probleme—CCVI: Beobachtungen bei der Fragmentierung Olefinischer Kohlenwasserstoffe (1971) (16)
- 249. Massenspektrometrie und ihre Anwendung auf strukturelle und stereochemische Probleme CXXI [1]. Fragmentierungen und Wasserstoffverschiebungen in 4‐Keto‐androstanen (1966) (16)
- Minor and trace sterols in marine invertebrates. 36. (24S)-24H-Isocalysterol: a new steroidal cyclopropene from the marine sponge Calyx niceaensis (1983) (15)
- STEROIDS XXX. PARTIAL SYNTHESIS OF ALLOPREGNANE-3β,11β,21-TRIOL-20-ONE AND ALLOPREGNANE-3β,11β,17α,21-TETROL-20-ONE (1952) (15)
- Selective deuterium labeling of steroidal estrogens. (1973) (15)
- The Preparation of Two Aromatic Analogs of Desoxycorticosterone Acetate (1949) (15)
- Contemporary 'science-in-theatre': a rare genre (2002) (15)
- Translational energy release and stereochemistry of steroids (1983) (15)
- Steroids. XLI.1 Synthesis of 11α,17α-Dihydroxyprogesterone and of 11α,17α,21-Trihydroxyprogesterone, the 11-Epimer of Kendall's Compound F2 (1953) (15)
- Magnetic circular dichroism studies. 49. Structural-vibrational effects in magnetic circular dichroism spectra (1977) (15)
- Applications of artificial intelligence for chemical inference. Part XI. Analysis of carbon-13 nuclear magnetic resonance data for structure elucidation of acyclic amines (1973) (15)
- Optical Rotatory Dispersion Studies. XCVII. Anomalous Rotatory Dispersion and Circular Dichroism Curves Associated with Thionamides. Application to Stereochemical Studies of Carboxylic Acids2 (1965) (15)
- 6-Deoxy-6-p-tolylsulphonyl-D-glucopyranosides. (1966) (15)
- Optical Rotatory Dispersion Studies. XXVI.1 α-Haloketones (Part 4).2 Demonstration of Conformational Mobility in α-Halocyclohexanones3 (1960) (15)
- Optical rotatory dispersion studies—CIII (1965) (15)
- Optical rotatory dispersion studies. 123. Experimental evidence for preference of axial deuterium over axial hydrogen (1978) (15)
- TERPENOIDS. XIX.1 THE PENTACYCLIC SKELETON OF CAFESTOL (1955) (15)
- The Application of Linear Free Energy Relationships on Derivatives of Malachite Green. Equilibrium and Kinetic Studies on m-Fluoro and m-Nitro Malachite Green. (1966) (15)
- A NEW CLASS OF POTENT CORTICAL HORMONES.16α-CHLOROCORTICOIDS (1958) (15)
- The Reaction of α-Halo Ketones with 2-Pyridinethiol1 (1954) (15)
- Studies in Mass Spectrometry. Part XVI. Mass Spectra of Thiophenols. (1966) (15)
- Mass Spectrometry in Structural and Stereochemical Problems. LIX.1 Mechanism of the Formal Loss of Acetone from 2-Oxo-5-steroids2 (1964) (15)
- Ion–molecule reaction in the gas phase 4—Stereospecific nucleophilic substitution under ammonia chemical ionization conditions from diastereomeric methyl and benzyl ethers of 3‐hydroxy steroids (1984) (15)
- Crystal Structure of the (1:1) Addition Compounds of Diiodoacetylene with 1,4-Dithiane and 1,4-Diselenane, Respectively. (1966) (15)
- Ethical discourse by science-in-fiction (1998) (15)
- STEROIDAL SAPOGENINS. VI.1 SYNTHESIS OF ?7-22-ISOALLOSPIROSTEN-3-OL AND UNSATURATED ANALOGS2 (1951) (15)
- Mass spectrometry in structural and stereochemical problems. CCXL. Effect of a 14.alpha.-angular methyl group upon the mass spectral fragmentation of 11- and 7-keto steroids (1973) (15)
- Optical rotatory dispersion studies. 135. Synthesis and chiroptical properties of (S)- and (R)-(3-2H1)-2,2-dimethylcyclobutanone. Evidence for conformational effects in substituted cyclobutanones (1983) (15)
- CORRELATION OF DIGITOGENIN WITH PROGESTERONE (1955) (15)
- Applications of Artificial Intelligence for Chemical Inference. XIV. A General Method for Predicting Molecular Ions in Mass Spectra (1975) (15)
- Alkaloid Studies. III.1 Isolation of Pilocereine and Anhalonidine from Four Cactus Species (1954) (15)
- Mass spectrometry in structural and stereochemical problems. CCXII. Electron impact induced triple hydrogen rearrangements and other fragmentations of alkyl vinyl ethers and thioethers (1972) (15)
- Optical Rotatory Dispersion Studies. LXXIII. Anomalous Rotatory Dispersion Curves Associated with Acylthioureas. Application to Stereochemical Studies of alpha-Substituted Carboxylic Acids. (1962) (15)
- Biosynthetic studies of marine lipids. 20. Sequence of double-bond introduction in the sponge sterol 24.beta.-methylcholesta-5,7,22,25-tetraen-3.beta.-ol (1989) (15)
- Letter: Oxidized cytochrome P-450. Magnetic circular dichroism evidence for thiolate ligation in the substrate-bound form. Implications for the catalytic mechanism. (1976) (15)
- Biophysical properties of unusual phospholipids and sterols from marine invertebrates. (1986) (15)
- Alkaline Decomposition of Some Unsaturated Cyclic Phosphonium Compounds. (1966) (14)
- The Crystal Structure of K3Cr(CN)5NO. (1966) (14)
- Alkaloid studies. 53. The structures of nine new alkaloids from Aspidosperma dasycarpon A. DC. (1965) (14)
- The Crystal Structures of Nb31O77F and Nb17O42F. (1966) (14)
- Mass Spectrometry in Structural and Stereochemical Problems. XLVII.1Some Observations on Mass Spectra of Pseudoindoxyl Alkaloids2 (1964) (14)
- An expiscation of structural-vibrational effects in magnetic circular dichroism spectra of saturated ketones (1977) (14)
- The Crystal and Molecular Structure of trans-p,p'-Dibromoazobenzene. (1966) (14)
- Steroids. CLVI.1 Ring D Unsaturated 16-Methylated Corticosteroids (1961) (14)
- Stereospecific synthesis of dinosterol (1982) (14)
- Nystatin. Part VI. Chemistry and partial structure of the antibiotic (1964) (14)
- Optical Rotatory Dispersion Studies. XCI.1 The Use of Low-Temperature Circular Dichroism Measurements for “Fingerprinting” of Steroidal Ketones2 (1964) (14)
- Anion Exchange Chromatography of Organic Acids in Zinc Acetate Medium. (1966) (14)
- Mass spectrometry in structural and stereochemical problems. CXC. Electron impact induced triple hydrogen migration in vinyl alkyl ethers (1970) (14)
- Stereochemical Aspects of Acid‐Catalyzed Cyclopropane Ring‐Opening Reactions. A Stereospecific Pathway to Crinosterol and Brassicasterol (1982) (14)
- Application of the computer program GENOA and two-dimensional NMR spectroscopy to structure elucidation† (1983) (14)
- Biosynthetic studies of marine lipids. 6. Evidence for an unprecedented biomethylation pathway in the biosynthesis of the cyclopropyl-containing marine sterol, petrosterol (1986) (14)
- Fertility limitation through contraceptive steroids in the People's Republic of China. (1974) (14)
- Optical Rotatory Dispersion Studies. II.1Steroid Hormones2,3 (1955) (14)
- Constitution and Stereochemistry of Samogenin, Markogenin and Mexogenin1 (1955) (14)
- Nucleophilic Reactivity. Part 9. Kinetics of the Reactions of Hydroxide Ion and Water with Picrylic Compounds. (1966) (14)
- The Molecular Structure of Trichodermin. (1966) (14)
- Magnetic circular dichroism studies. V. Investigation of some cyclodecapentaene derivatives (1968) (14)
- Steroids. CXCI.1Some Reactions of a 6-Methyl-▵5-3β-hydroxy Steroid System (1962) (14)
- Optical rotary dispersion studies—CII (1965) (14)
- Marine 4-methyl sterols: Synthesis of C-24 epimers of 4α,24-dimethyl-5α-cholestan-3β-OL and 360 MHz 1HNMR comparisons to the natural product from Plexaura homomalla (1983) (14)
- Applications of artificial intelligence for chemical inference. Part 40. A computerized approach to the verification of carbon-13 NMR spectral assignments (1982) (14)
- Mass spectrometry in structural and stereochemical problems. CCXXX. Preparation of 5.alpha.,20.alpha. and 5.alpha.,17.alpha.,20.alpha.-cholestane-3.beta.,6.alpha.-diol. Electron impact induced fragmentation of steroidal .DELTA.17(20), .DELTA.20(21) and .DELTA.20(22) olefins (1973) (14)
- Steroids. XCIX. Synthesis of Ring B Oxygenated Estrogens1 (1958) (14)
- Extraction of Zinc Chloride by Trilaurylammonium Chloride and Trilaurylamine in Xylene. (1966) (14)
- Structural and stereochemical aspects of base-catalyzed double bond isomerization of sterols with unsaturated side chains (1982) (14)
- Mass spectrometry in structural and stereochemical problems—LVI (1964) (14)
- Lupan-3beta,20-diol, and Lupan-3beta,20,28-triol in Bark from Birch, Betula verrucosa Erh.. (1966) (14)
- Steroids. CXIX.1The Preparation of Some Vicinal Glycols in the Cortical Hormone Series (1959) (14)
- 285. The relative stereochemistry of the rotenoids (1961) (14)
- New Phases in the Zr-P and Zr-As Systems. (1966) (14)
- The structure of the macrolide antibiotic filipin (1961) (14)
- Applications of artificial intelligence for chemical inference—V. An approach to the computer generation of cyclic structures. Differentiation between all the possible isomeric ketones of compositon C6H10O (1970) (14)
- The Crystal Structure of Ca-Malate-dihydrate, CaC4H4O5.2H2O. (1966) (14)
- Optical Rotatory Dispersion Studies. XXXIII.1 α-Haloketones (Part 6).2 trans-2-Bromo-5-t-butylcyclohexanone3 (1960) (14)
- Anomalous Racemates of Malic Acid. (1966) (14)
- Biosynthetic studies of marine lipids. 32. The missing step in sterol cyclopropyl biosynthesis: enzymic desaturation of 24(S)-ethylcholesterol (1990) (14)
- Alkaloid studies. Part LXI. The structure of twelve new alkaloids from Aspidosperma cylindrocarpon (1969) (14)
- Mass spectrometry in structural and stereochemical problems—CCXLIV : The influence of substituents and stereochemistry on the mass spectral fragmentation of progesterone (1975) (14)
- Mass spectrometry in structural and stereochemical problems. CCXXXVII—Electron-impact-induced hydrogen losses and migrations in some aromatic amides† (1974) (14)
- THE ABSOLUTE CONFIGURATION OF ROSENONOLACTONE AND RELATED DITERPENOIDS (1959) (14)
- Terpenoids. VI.1 Dumortierigenin, a New Triterpene Lactone from the Cactus Lemaireocereus dumortieri2 (1954) (14)
- Optical Rotatory Dispersion Studies. XIX.18-Methylhydrindanonens2 (1958) (13)
- Mass spectrometry in structural and stereo- chemical problems. CLIII. (1967) (13)
- Equal Sulphur-Sulphur Bonds in an Unsymmetrical Thiothiophthene Derivative. (1966) (13)
- Terpenoids. LX.1 Revised Structures of the Cactus Triterpene Lactones Stellatogenin and Thurberogenin2 (1967) (13)
- Methymycin. Reduction and Oxidation Studies (1956) (13)
- Biosynthesis of marine lipids. 19. Dealkylation of the sterol side chain in sponges (1988) (13)
- MINOR AND TRACE STEROLS FROM MARINE INVERTEBRATES. 50. STEREOSTRUCTURE AND SYNTHESIS OF NICASTEROL, A NOVEL CYCLOPROPANE-CONTAINING SPONGE STEROL (1985) (13)
- Magnetic circular dichroism studies XXXII (1974) (13)
- Chemical studies of marine invertebrates VI. Terpenoids LXV. Praslinogenin, a new holothurinogenin from the indian ocean sea cucumber Bohadschia koellikeri (1970) (13)
- Mass spectrometry in structural and stereochemical problems. 257. Effect of additional double bonds on the mass spectrometric fragmentations of .DELTA.4-3-keto steroids (1981) (13)
- Mass spectrometry in structural and stereochemical problems pyrifoline and refractidine (1962) (13)
- Terpenoids. LXVII. Chemical studies of marine invertebrates. VII. Interrelation of seychellogenin and lanosterol through lanostane-3-beta,11-beta,18-triol. (1970) (13)
- The Stereochemistry of the Catalytic Hydrogenation of Δ8-11-Keto Steroids. Synthesis of 8-Iso- and 14-Iso-11-keto Sapogenins1 (1953) (13)
- Biosynthetic studies of marine lipids-XXCIII. Use of sponge cell-free extracts in the study of marine sterol biosynthesis☆ (1990) (13)
- TERPENOIDS. XL.1 ABSOLUTE CONFIGURATION OF EREMOPHILONE2 (1959) (13)
- Steroids, terpenoids, sugars, and miscellaneous classes (1964) (13)
- Computer Assisted Structural Interpretation of Mass Spectral Data (1981) (13)
- Thermochemical Studies on Metal Complexes. II. Free Energy, Enthalpy, and Entropy Changes for Stepwise Formation of Cadmium(II) Pseudo Halide Complexes in Aqueous Solution at 25 degrees C. (1966) (13)
- STEROIDS. XXIX.1 SYNTHESIS OF 11-HYDROXYPROGESTERONE (1952) (13)
- Optical rotatory dispersion studies. 132. Conformational isotope effect in deuterium-substituted cyclohexanones (1981) (13)
- Alkaloid studies LI. The structure of aspidodasycarpine. (1964) (13)
- Occurrence and seasonal variation of 19-norcholest-4-EN-3-one and 3β-monohydroxy sterols in the Californian gorgonian, Muricea californica (1983) (13)
- Steroids CCXXVIII. The synthesis of equilin (1963) (13)
- Bioconversion of lanosterol into holotoxingonin, a triterpenoid from the sea cucumber Stichopus californicus (1976) (13)
- Optical rotatory dispersion studies. 137. Synthesis and chiroptical properties of .alpha.- and .beta.-deuterium substituted aliphatic aldehydes and ketones (1984) (13)
- A Disaccharide Dibenzoate from Daviesia latifolia. (1966) (13)
- 1010. Studies in relation to biosynthesis. Part XXXV. Macrolide antibiotics. Part XII. Methymycin (1964) (13)
- Partial reduction of aquomethemoglobin on a Sephadex G-25 column as detected by magnetic circular dichroism spectroscopy and revised extinction coefficients for aquomethemoglobin. (1978) (13)
- Natural products chemistry 1950-1980 - A personal view (1975) (13)
- The Signs of the Methyl-Methyl Spin Couplings in 2,3-Dimethylthiophene, 2,3-Dimethylfuran, and 3-Iodo-2,5-dimethylfuran. (1966) (13)
- STEROIDS. II.1 A METHOD FOR THE CONVERSION OF ALLO-STEROIDS INTO Δ4-3-KETOSTEROIDS (1950) (13)
- The introduction of deuterium into the C-19 angular methyl group (1963) (13)
- Studies of Intramolecular Hydrogen Bonding in Cyclic Acetal Isomers of Glycerol. (1966) (13)
- Studies in the chemistry of the eremophilane sesquiterpenes (1966) (13)
- Biosynthetic studies of marine lipids-xxix. Demonstration of sterol side chain dealkylation using cell-free extracts of marine sponges (1990) (13)
- Mass spectrometry in structural and stereochemical problems—CC A study of the fragmentation processes of some pyrilium salts (1971) (13)
- Proof of structure by synthesis of 5α, 14β,17β(H)-cholestane (20R) a major petroleum sterane. Correction of previous assignment (1980) (13)
- Translational energy release and stereochemistry of steroids 4—Epimeric 3‐keto and 3‐hydroxy steroids (1984) (13)
- Stereochemical effects in cyclopropane ring openings: synthesis and isomerization of petrosterol and all three of its trans cyclopropane diastereomers (1984) (13)
- Colour Tests for the Detection and Characterisation of Tertiary Amines. (1966) (13)
- Mass Spectrometry in Structural and Stereochemical Problems. V.1 Refractine and Aspidofractine (1962) (12)
- Massenspektroskopie und ihre Anwendung auf strukturelle und stereochemische Probleme, LXXVII. Einfluß behinderter Rotation sowie anderer energetischer Faktoren auf die McLafferty‐Umlagerung von Ketonen (1966) (12)
- Mass spectrometric investigations in the steroid, terpenoid and alkaloid fields (1963) (12)
- MACROLIDE ANTIBIOTICS. VI. A STANDARD OF ABSOLUTE CONFIGURATION AMONG MACROLIDE ANTIBIOTICS (1957) (12)
- Molecular Orbital Calculations on Bis-Acetylacetonate Copper(II). (1966) (12)
- Moss Pigments. 7. Preliminary Investigations of the Violet Pigments in Sphagnum nemoreum. (1967) (12)
- Mass spectrometry in structural and stereochemical problems CXXVIII (1967) (12)
- Biosynthetic studies of marine lipids. 24. Experimental demonstration of an unprecedented cyclopropane .fwdarw. cyclopropane rearrangement in the biosynthesis of the sponge sterol petrosterol (1990) (12)
- Rule‐based mass spectrum prediction and ranking: Applications to structure elucidation of novel marine sterols (1980) (12)
- Mass spectrometry in structural and stereochemical problems. CXXXI. The mass spectrometric fragmentation of thiuram disulfides (1967) (12)
- On the absolute congifuration of the diterpene alkaloids related to veatchine and atisine (1961) (12)
- Mass spectrometry in structural and stereochemical problems. CCXI. The effect of structural variations on the electron impact induced fragmentations of steroid hydrocarbons. (1972) (12)
- N-Isothiocyanatoamines. I. On the Existence of Monomeric N-Isothiocyanatodialkylamines (Dialkylaminoisothiocyanates). (1966) (12)
- Optical Rotatory Dispersion Studies. LXXIX. The Location of the n-* Absorption Band of -Iodo Ketones and its Relation to Circular Dichroism and Optical Rotatory Dispersion (1963) (12)
- Bromination of 2-oxo steroids. (1963) (12)
- Magnetic circular dichroism studies. 59. Substituent-induced sign variation in the magnetic circular dichroism spectra of chlorins (1981) (12)
- Magnetic circular dichroism studies XXXIV. Improved instrumentation for MCD measurements. (1975) (12)
- 533. Alkaloid studies. Part XLV. Mass spectrometry in structural and stereochemical problems. Part XLII. Some aspects of the chemistry and mass spectrometry of uleine (1964) (12)
- Fragmentation Processes of Some Thiocarbonyl Compounds on Electron Impact. (1967) (12)
- Minor and trace sterols in marine invertebrates V. isolation, structure elucidation and synthesis of 3β-hydroxy-26,27-bisnorcholest-5-en-24-one from the sponge Psammaplysilla Purpurea (1978) (12)
- Factors governing the relative stabilities of the C/D cis and trans ring junctures in delta8-11-keto steroids. (1977) (12)
- Optical Rotatory Dispersion Studies. LVI.1 Thiones2 (1961) (12)
- The Absolute Configuration of m-Carboxyphenylglycine, an Amino Acid From Higher Plants. (1963) (12)
- The Amine Acid Composition and Sulfur Distribution of Crystalline Rhodanese. (1963) (12)
- Chemical Studies on Lichens. 2. Thin Layer Chromatography of Aliphatic Lichen Acids. (1966) (12)
- Mass spectrometry in structural and stereochemical problems—CLXXI: Factors governing the preferential loss of small vs. Large radicals in the α‐fission of aliphatic amines (1969) (12)
- Quaternisation Reactions. I. Self-quaternization of 3-Chloro-6-methylpyridazine. (1966) (12)
- Biosynthesis of sterols in the sea cucumber Stichopus Californicus (1977) (12)
- A Study of the Fragmentation Processes of Some Pyridones on Electron Impact. (1966) (12)
- Terpenoids. LXX. The structure of the sea cucumber sapogenin holotoxinogenin. (1975) (12)
- Photochemical Studies. IV. Photochemical Reactions of 2-Methylquinoline N-oxide Hydrate. (1966) (12)
- Magnetic circular dichromism. Part 67. Substituent-induced sign variation in the magnetic circular dichroism of free-base porphyrins with a single electron-withdrawing substituent. The question of nitrogen-hydrogen proton equilibrium (1986) (12)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS PART 242, ANALYSIS OF MIXTURES BASED ON THE DISTRIBUTION OF FRAGMENT IONS ARISING FROM UNIMOLECULAR DECOMPOSITION OF METASTABLE MOLECULAR IONS (1974) (12)
- Note on the Crystal Structures of Nb11O27, Nb25O62 and H-Nb2O5. (1966) (12)
- Optical Rotatory Dispersion Studies. IV.1Steroidal Sapogenins2 (1956) (12)
- The Complex Formation of Thallium(III) with Iodide in Aqueous Solution. (1966) (12)
- Some New Experiments on the Proton-Mobility in the Indene Ring-System. (1966) (12)
- Hydrogen Bonding, Ionization, and Rate of Hydrolysis of Aliphatic Ammonium Esters. (1966) (12)
- Biosynthetic studies of marine lipids 10. Double side chain extension in the triply alkylated sponge sterol xestosterol (1986) (12)
- Localization of long-chain fatty acids and unconventional sterols in spherulous cells of a marine sponge (1988) (12)
- Mass spectrometry in structural and stereochemical problems. XLIX (1964) (12)
- OPTICAL ROTATORY DISPERSION STUDIES. XLIII.1ABSOLUTE CONFIGURATIONAL ASSIGNMENT OF α-SUBSTITUTED CARBOXYLIC ACIDS BY ANOMALOUS ROTATORY DISPERSION OF THEIR ACYLTHIOUREA DERIVATIVES2 (1960) (12)
- The Reactions of Lignin during Sulphate Cooking. Part X. Synthesis and Alkaline Treatment of Model Compounds Representing Intermediary Episulphide Structures. (1966) (12)
- Conformational Analysis. VI.1a Optical Rotatory Dispersion Studies. XXVII.1b Quantitative Studies of an α-Haloketone by the Rotatory Dispersion Method (1960) (12)
- Minor and trace sterols in marine invertebrates IX. Verongulasterol - a marine sterol with a novel side chain alkylation pattern (1978) (12)
- Steroids. CXII.1 Cycloethylene Ketal Formation of 19-Nor-Δ4-3-keto Steroids (1959) (12)
- Alkaloid Studies. XXII.1 The Alkaloids of Vallesia dichotoma Ruiz et Pav2 (1959) (12)
- Steroids. XLV.1 Introduction of the 11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids (Part 8).2 Performic Acid Oxidation of 7,9(11)-Dienes3 (1953) (12)
- NMR Spectra of Some Nitro-substituted N-Alkylanilines. II. (1965) (11)
- An Electron Diffraction Investigation of the Molecular Structure of cis-3,4-Dichlorocyclobutene-1. (1966) (11)
- Minor and trace sterols in marine invertebrates 48. The isolation, structure elucidation and synthesis of 23(R),24(R)-methylenecholesterol. (1984) (11)
- Minor and trace sterols from marine invertebrates 28. A novel polyhydroxylated sterol from the soft coral Anthelia glauca (1981) (11)
- High-boiling Constituents of Swedish Sulphate Turpentine (Pinus silvestris L.). (1966) (11)
- OPTICAL ROTATORY DISPERSION STUDIES. XLIV.1 ANOMALOUS ROTATORY DISPERSION CURVES OF OLEFIN DERIVATIVES. OSMATE ESTERS2 (1960) (11)
- Mass spectrometry in structural and stereochemical problems. CCVIII. Effect of double bonds upon the McLafferty rearrangement of carbonyl compounds (1972) (11)
- Crystal Structure of the 2:1 Addition Compound Antimony Triiodide-1,4-Dithiane. (1966) (11)
- Stereospecific transformation of 2,2-dimethylcyclobutanols into optically active 1,2-cis-disubstituted cyclopropanes (1981) (11)
- Terpenoids LXXIII. Sinularene, a sesquiterpene hydrocarbon based on a novel skeleton from the soft coral, . ☆ (1977) (11)
- Free Energies of Transfer of Alkali Chlorides from Light to Heavy Water from Cells without Liquid Junction Potentials. (1966) (11)
- 442. Optical rotatory dispersion: further applications of the octant rule to structural and stereochemical problems (1963) (11)
- Studies in Organic Sulfur Compounds. XI.1 On the Reaction of Enamines with Hydrogen Sulfide2 (1962) (11)
- Synthesis and biochemical screening of phenylselenium-substituted steroid hormones. (1980) (11)
- Acid-catalyzed and photochemical isomerization of steroidal cyclopropenes (1983) (11)
- The synthesis of 8-isoprogesterone and 8-isotestosterone (1957) (11)
- Mass spectrometry in structural and stereochemical problems—CLVIII electron impact promoted fragmentation of triphenylmethyl ethers†‡ (1968) (11)
- Least Squares Refinement of the Molecular Structure of 1,2-Dithiolane-4-carboxylic Acid. (1966) (11)
- Biosynthetic studies of marine lipids. 37. Enzymatic desaturation of 24(S)-methylcholesterol to 23,24-methylenecholesterol, norficisterol, and norhebesterol. Further evidence for a unified biosynthesis of marine sterols with unique side chains (1992) (11)
- Rate Studies of the Michaelis-Arbuzov Reaction between Ethyl Iodide and Cyclic Phosphites. (1966) (11)
- Minor and trace sterols in marine invertebrates 55. the isolation, structure elucidation and synthesis of ergosta-5,24 (28),25-trien-3β-ol (1985) (11)
- Die Kristallstruktur des Strontiumcyanamids (1966) (11)
- The Crystal and Molecular Structures of cis Square-Planar Complexes of Tellurium Dichloride and Dibromide with Thiourea. (1966) (11)
- Macrolide antibiotics. XV. Nystatin--the structure of the aglycone. (1967) (11)
- Hydrothermal Preparation of some Rare Earth Trihydroxides and Rare Earth Oxide Hydroxides. (1966) (11)
- STEROIDS. XIV.1 STUDIES IN THE 3,6-DIHYDROXYPREGNANE SERIES (PART I) (1951) (11)
- Novel marine sterols with modified bile acid side chain from the sea pen (1977) (11)
- Steroidal Sapogenins. XIII.1 Δ8(9)-22-Isospirosten-3α-ol (1952) (11)
- Syntheses of cortisone and related steroids. (1953) (11)
- On an X-Ray and Electron Microscope Study of Precipitates Formed by the Hydrolysis of Iron(III) in 0.5 M NaCl Ionic Medium. (1966) (11)
- Magnetic circular dichroism studies of non-iron "hyper" porphyrin complexes as models for reduced + CO cytochrome P-450. (1977) (11)
- Kinetic studies of the hydrolysis of aromatic sulphonic anhydrides (1966) (11)
- Magnetic circular dichroism studies, ii. Preliminary results with some aromatic compounds. (1966) (11)
- Structure of jegosapogenol (barringtogenol.C, aescinidin) and the configuration at C-21 and C-22 in barringtogenol D, aescigenin, protoaescigenin, and isoaescigenin (1969) (11)
- The Crystal Structure of Bis(diethylthiophosphoryl) Diselenide. (1966) (11)
- Steroids. XXXI.1Introduction of the 11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids (Part 4).2Saturated 7,11-Diones (1952) (11)
- Terpenoids. XXXIV.1 Iresin (Part 3).2 Reactions of the Glycol System3 (1958) (11)
- Massenspektrometrie und ihre Anwendung auf strukturelle und stereochemische Probleme, CVII. Das Fragmentierungsverhalten von Semicarbazonen (1966) (11)
- Synthesis of sterols with modified side chains (1975) (11)
- Conformer Populations and Thermodynamic Data from Temperature Dependent Circular Dichroism Measurements (2002) (11)
- Some Observations on Current Fertility Control in China (1974) (11)
- STEREOCHEMICAL EFFECTS IN CYCLOPROPANE RING OPENINGS: BIOMIMETIC RING OPENINGS OF ALL ISOMERS OF 22,23-METHYLENECHOLESTEROL ACETATE (1984) (11)
- Translational energy release and stereochemistry of steroids. VII: The loss of angular methyl groups after the dehydration of molecular ions of cholesterol and related C(5)-unsaturated 3β-hydroxy steroids (1986) (11)
- Synthesis of sterols with cyclopropane-containing side chains. Spectroscopic properties and absolute configurations (1982) (11)
- Cell separation ofTethya aurantia, an analytical study of embryonic and differentiated sponge cells (1990) (10)
- Magnetic circular dichroism spectroscopy. A definitive method for the determination of urinary porphyrins. (1973) (10)
- The Crystal Structure of Potassium Nickel(IV) Hexaoxidoiodate(VII). (1965) (10)
- Chemical proof of absolute configuration of 24,26-cyclocholesterol by biomimetic conversion to 27-norergostenes. (1983) (10)
- Chiapagenin and Isochiapagenin. Two New Steroidal Sapogenins from Dioscorea chiapasensis1 (1961) (10)
- Studies in Organic Sulfur Compounds. VIII.1 Introduction of Oxygen in the Raney Nickel Desulfurization of Hemithioketals (1,3-Oxathiolanes)2 (1955) (10)
- The synthesis of demthylgorgosterol (1979) (10)
- OPTICAL ROTATORY DISPERSION STUDIES. LVII.1THE OCTANT RULE AND THE t-BUTYL GROUP. EVIDENCE FOR A TWIST FORM IN cis-2-t-BUTYL-5-METHYLCYCLOHEXANONE2 (1961) (10)
- Steroids—XCI: Microbiological oxidations of 19-norprogesterone☆ (1958) (10)
- Amino Acids in Soil. III. Acids in Hydrolyzates of Water-extracted Soil and Their Distribution in a Pine Forest Soil Profile. (1963) (10)
- Mass spectrometry in structural and stereochemical problems—CCXXII: Delineation of competing fragmentation pathways of complex molecules from a study of metastable ion transitions of deuterated derivatives† (1973) (10)
- Steroidal Sapogenins. X.1a Unsaturated 22-Isospirosten-3-ones1b,2 (1951) (10)
- Magnetic circular dichroism studies. LXVI: Synthesis of demethyl monosubstituted porphyrins. The effect of substituent conformation on the magnetic circular dichroism spectra of ethoxycarbonyl porphyrins (1984) (10)
- Mass Spectrometry. Organic Chemicals Applications. (1963) (10)
- Phase Transitions and Structure of Lithium Cryolite. (1966) (10)
- The Conversion of Diosgenin to Cortisone via 11-Ketosteroids of the 5β-Series (1954) (10)
- Synthesis of chiral conformationally fixed cyclohexanones (1980) (10)
- Determination of the Position of the Xanthate Groups in Glucopyranosides by Means of Nuclear Magnetic Resonance. Part 1. Position of the Xanthate Group in Mono-S-methyl Xanthates of Methyl D-Glucopyranosides. (1966) (10)
- Sterols with Cyclopropane-Containing Side Chains: Synthesis and Acid Isomerization† (1979) (10)
- Optical rotatory dispersion studies. 128. Octant contributions of methyl groups in 4-tert-butylcyclohexanones (1980) (10)
- The Effects of Protonation, Alkylation, and Cooling on the Fluorescence of Purine Nucleosides in Liquid Solution. (1963) (10)
- Mass spectrometry in structural and stereochemical problems. CXXXVII. Examples of interaction of remote functional groups after electron impact (1967) (10)
- The High-Temperature Phases Ni(3+-x)Se2 and Ni6Se5. (1966) (10)
- Androgens: biochemistry, physiology, and clinical significance (1956) (10)
- Photochemical Studies. V. The Photochemistry of Some 2-Methyl Substituted Quinoline N-Oxides. (1966) (10)
- Molecular Orbital Calculation of pi-Bond Order and Charge Distribution in the 3- and 4-Phenyl-1,2-dithiolium Ions. (1966) (10)
- A STEREOSELECTIVE SYNTHESIS OF TWO STEREOISOMERS OF DEMETHYLGORGOSTEROL (1975) (10)
- Alkaloid studies XXIII isolation of four new aspidosperma alkaloids: Cylindrocarpine, refractine, pyrifoline, and pyrifolidine (1960) (10)
- Determination of the absolute configuration of stelliferasterol and strongylosterol - two marine sterols with “extended” side chains (1978) (10)
- On the Crystal Structure of Bis-L-histidine-copper(II) Dinitrate Dihydrate. (1966) (10)
- Why Japan ought to legalize the Pill (1996) (10)
- α-Iodoketones (Part 3).1Synthesis of 21-Iodo-Δ16-20-keto Steroids by the N-Iodosuccinimide-Enol Acetate Reaction2 (1954) (10)
- Optical Rotatory Dispersion Studies. LXIV.1Detection of Conformational Changes Caused by Equatorial Methyl Groups2 (1962) (10)
- The Crystal Structure of Phenylbis(thiourea)tellurium(II) Chloride. (1966) (10)
- Terpenoids. XXIII.1 Interconversion of Thurberogenin and Betulinic Acid2 (1956) (10)
- Communications - 8-Isotestosterone (1956) (10)
- 249. Steroids. Part CLXXII. Factors controlling the direction of enol acetylation of 3-oxo-steroids (1962) (10)
- Minor and trace sterols from marine invertebrates 56. Novel coprostanols from the marine sponge petrosia ficiformis (1986) (10)
- Enhanced structure determination of beta-pyrrole and N-substituted porphyrins by desorption chemical ionization mass spectrometry. (1984) (10)
- Mass spectrometry in structural and stereochemical problems. CCXXXIV. Alkyl pyridyl ketones (1973) (10)
- Mass spectrometry in structural and stereochemical problems—CLXVI. The electron impact promoted fragmentation of some aliphatic 1,2-glycols† (1968) (9)
- The Influence of the Solvent on Reaction Velocity. XXIX. Solvolysis of Benzyl Chlorides in Dimethyl Sulphoxide-Water Mixtures. (1966) (9)
- The Bourbaki Gambit (1994) (9)
- Magnetic circular dichroism studies 23. 1. Magnetic circular dichroism spectra of indole alkaloids. (1972) (9)
- Chemical safety in a vulnerable world--a manifesto. (2004) (9)
- Magnetic circular dichroism studies. XXXIII. The MCD spectrum of formaldehyde vapor (1974) (9)
- Optical rotary dispersion studies. 129. Conformational isotope effects and octant contributions of CD/sub 3/ and /sup 13/CH/sub 3/ groups in cyclohexanone (1980) (9)
- The Ring Opening of Aromatic O-Heterocycles by Sodium in Pyridine. (1966) (9)
- Biosynthetic studies of marine lipids. 14. 24(28)-Dehydroaplysterol and other sponge sterols from Jaspis stellifera (1988) (9)
- Alkaloid studies XXV. The structure of the Aspidosperma alkaloids cylindrocarpine and cylindrocarpidine (1960) (9)
- Synthesis of (24R,28R)- and (24S,28S)-24,28-methylene-5-stigmasten-3.beta.-ol and biosynthetic implications of cyclopropyl cleavage to 24-substituted cholesterols (1988) (9)
- Magnetic circular dichroism studies—XXXI. Thioketones (1975) (9)
- Mass spectrometry in structural and stereochemical problems. CLXXXII. 10-Phenyl-2-decalone system. Synthesis and electron-impact promoted phenyl migration of trans-10-phenyl-.DELTA.3-2-octalone (1970) (9)
- Biosynthesis of three cyclopropene-containing sterols in the sponge Calyx niceaensis (1987) (9)
- Notes - Alkaloid Studies. XV. Casimiroedine. (1956) (9)
- Terpenoids. X.1 The Triterpenes of the Cactus Lemaireocereus hystrix (1954) (9)
- The Crystal and Molecular Structure of 3,5-Diacetamido-1,2-dithiolium Bromide. (1966) (9)
- Studies in Mass Spectroscopy. Part XI. Mass Spectra of 1,4-Dicarbonyl Compounds. (1966) (9)
- Oxygen: A Play in 2 Acts (2001) (9)
- Mass Spectra of two Deuterated Isothiocyanates. (1965) (9)
- STEROIDS. IX. THE DIENONE-PHENOL REARRANGEMENT IN THE CHOLESTEROL SERIES (1950) (9)
- Stereospecific cyclopropane ring-opening of petrosterol. A possible biomimetic process. (1982) (9)
- Mass spectrometry in structural and stereochemical problems–CXCV: The structure of the [C6H6O]+˙ ion in the spectrum of phenyl alkyl ethers (1970) (9)
- The Non-volatile Acids of Succulent Plants Exhibiting a Marked Diurnal Oscillation in their Acid Content. II. Demonstration of Piscidic Acid as one of the Predominating Acids in Opuntia ficus-indica L.. (1966) (9)
- Optical Rotatory Dispersion Studies. LIX.1 The Octant Rule and Deuterium. Synthesis of 3-Deuteriocyclopentanone2 (1961) (9)
- Terpenoids. XXVIII.1 The Triterpene Composition of the Genus Myrtillocactus2 (1957) (9)
- Isolation of 22-methylenecholesterol. Further evidence for direct bioalkylation of 22-dehydrocholesterol (1981) (9)
- Application of anomalous optical rotatory dispersion to organic chemical problems (1961) (9)
- The Crystal Structure of Pd4.8P. (1966) (9)
- Biosynthetic studies of marine lipids 36. The origin of common sterol side chains in eleven sponges using [3-3H]-squalene. (1992) (9)
- Oxidation of Some 2,4,6-Trialkyl-substituted Phenols with Potassium Nitrosodisulfonate. Part II. (1964) (9)
- The magnetic circular dichroism spectrum of carbon disulfide (1980) (9)
- Extended Hückel Calculation on the Charge Transfer Complex Tetracyanoethylene-Benzene. (1966) (9)
- Phospholipid studies of marine organisms: 26. Interactions of some marine sterols with 1-stearoyl-2-oleoyl phosphatidylcholine (SOPC) in model membranes. (1991) (9)
- Optical Rotatory Dispersion Studies. LXV.1 Differentiation of Epimeric Steroidal Alcohols by Anomalous Rotatory Dispersion. Some Observations on the Nitrite Chromophore2 (1962) (9)
- Cholesterol interactions with tetracosenoic acid phospholipids in model cell membranes: role of the double-bond position. (1990) (9)
- Optical rotatory dispersion studies CXXI. Verification of the absolute configuration of 2-methylcyclohexanone (1976) (9)
- The Structure of a Galactomannan from Lotus corniculatus L.. (1966) (9)
- THE ABSOLUTE CONFIGURATION OF BIARYLS BY ROTATORY DISPERSION COMPARISON WITH A SESQUITERPENE1 (1960) (9)
- The MCD spectra of some 8-azapurines (1977) (9)
- 204. The structure of the cactus sterol, peniocerol (cholest-8-ene-3β,6α-diol) (1965) (9)
- Sterols in marine invertebrates. Part 57. Stereostructure, synthesis, and acid-catalysed isomerization of hebesterol—a biosynthetically significant cyclopropyl-containing marine sterol (1987) (9)
- Mass spectrometry in structural and stereochemical problems. CCXLI. Investigation of the electron impact induced fragmentations of 1-hepten-3-ol by ion cyclotron resonance (1974) (9)
- Minor and trace sterols in marine invertebrates 52. isolation, structure elucidation and partial synthesis of 24-propyl-24,28-methylenecholest-5-en-3β-ol (1985) (9)
- Mechanism of the Grignard Addition Reaction. IV. Reaction of Butylmagnesium Compounds with Methyl Acetate in Diethyl Ether and in Tetrahydrofuran. (1966) (9)
- The Crystal Structure of Re3P4. (1966) (9)
- Reinvestigation of the proton resonance spectrum of vindolinine at 300 MHz. (1974) (9)
- THE WOHL-ZIEGLER BROMINATION OF ENOL ACETATES OF 20-KETO STEROIDS (1949) (9)
- The Synthesis of Some Tritium-labelled Mutagenic Alkyl Alkanesulfonates. (1966) (9)
- The Dienone-Phenol Rearrangement in the Benzo(c)phenanthrene Series. A Case of Concurrent Methyl and Methylene Migration (1954) (9)
- Mass Spectrometry in Structural and Stereochemical Problems. LXIV.1 A Study of the Fragmentation Processes of Some Cyclic Amines2 (2002) (8)
- Alkyl Cyanates. IX. Addition-Elimination Reactions of Ethyl Cyanate. (1966) (8)
- Mass spectrometry in structural and stereochemical problems. CXLV. (1967) (8)
- Studies in organic sulphur compounds. XVI. Synthesis and reactions of steroid episulphides. (1965) (8)
- Mass spectrometry in structural and stereochemical problems—CLXXXV Effect of phenyl group in the mass spectra of trans-10-phenyl-2-decalone and trans-10-phenyldecalin†‡ (1970) (8)
- Untersuchungen mit magnetischem circulardichroismus, XI. Adenosin - cyclonucleoside.☆☆☆ (1970) (8)
- Mass spectrometry in structural and stereochemical problems. CLXXXI. Remote group interactions after electron impact in 4-substituted cyclohexanones (1970) (8)
- Sounding board. The politics of contraception: the view from Beijing. (1980) (8)
- Organic Selenium Compounds. I. Preparation of Methyl-substituted Selenosemicarbazides. (1966) (8)
- Mass spectrometry in structural and stereochemical problems—CLXXVIII: The electron‐impact promoted fragmentation of 1,2‐cyclohexene oxide (1969) (8)
- On the Occurrence of Light-sensitive Corrinoids in Axenic Cultures of Unicellular Algae. (1966) (8)
- Thermodynamic Characterization of the Initial and Transition States for the Hydrolyses of Vinyl Ethers and Acetals. (1966) (8)
- Magnetic circular dichroism studies. Part 10.—Investigations of some carbonyl compounds (1969) (8)
- Who will mentor the mentors? (1999) (8)
- Thermochemical Studies on Metal Complexes. III. The Complex Formation between Copper(II) Ions and Acetate Ions in Aqueous Solution at 25 degrees C. (1966) (8)
- Mass spectrometry in structural and stereochemical problems. Part CLIII. Electron impact‐promoted fragmentation of n‐alkyl cyanides (1968) (8)
- Biosynthetic studies of marine lipids. 221: Calysterol: Some aspects of sterol cyclopropene biosynthesis in the sponge calyx nicaeensis (1989) (8)
- Mass Spectrometry in Structural and Stereochemical Problems. LXII. Fragmentation and Hydrogen Transfer Reactions of β-Hydrindanones. Synthesis of Deuterated β-Hydrindanones (1965) (8)
- Stereochemical course of the reduction of 5α-cholest-8(14)-en-7-one by metal–ammonia; a ready synthesis of 14β-steroids (1973) (8)
- Mass spectrometry in structural and stereochemical problems—CLXXIV:1 Electron-impact induced fragmentation of some aryl- and alkylsulfonylthioureas (1969) (8)
- Synthesis and stereochemistry of 23,24-dihydrocalysterol: implications for marine sterols of a unified biosynthetic scheme involving protonated cyclopropanes (1987) (8)
- Studies on the Kolbe Electrolytic Synthesis. VII. Electrolysis of Some t-Alkylmalonic Half Esters. (1966) (8)
- The Crystal and Molecular Structure of Thiuret Hydrochloride Hemihydrate. (1966) (8)
- The mother of the pill. (1995) (8)
- Mass spectrometry in structural and stereochemical problems. 213. The effect of ring size upon the electron impact induced behavior of steroidal ketones. (1972) (8)
- The Oppenauer Oxidation (2011) (8)
- Mass spectrometry in structural and stereochemical problems. 247. Electron-impact induced fragmentation of allenes (1977) (8)
- Steroidal Sapogenins. XXXVIII.1 Synthesis of Cortisone from Botogenin2 (1959) (8)
- Optical Rotatory Dispersion Studies. III.1The Cholestane Series2 (1955) (8)
- Mass spectrometry in structural and stereochemical problems. CCIII. Course of a triple hydrogen migration in esters of trimellitic anhydride (1971) (8)
- The Influence of the Solvent on Reaction Velocity. XXXI. The Reaction between Benzyl Chlorides and Methoxide Ion in Dimethyl Sulphoxide-Methanol Mixtures. (1966) (8)
- Analogs of unusual sponge phospholipids. Synthesis and thermotropic properties of 1,2-di-(6Z,9Z)-6,9-hexacosadienoyl phosphatidylcholine and phosphatidylethanolamine. (1988) (8)
- Mass Spectrometry in Structural and Stereochemical Problems. CXII.1 Fragmentation of Two Bicyclic Amines on Electron Impact2a (1966) (8)
- Studies related to Naturally Occurring Acetylene Compounds. XXXIII. A Preliminary Investigation of Coreopsis gigantea (Kell.) H. M. Hall. (1966) (8)
- ÜBER DIE KONFIGURATION DES 19‐NOR‐10ξ, 14β, 17α‐PROGESTERONS (1958) (8)
- Mass spectrometry in structural and stereochemical problems. Echitamidine (1962) (8)
- The Crystal and Molecular Structure of 4-Phenyl-1,2-dithiolium Bromide. (1966) (8)
- OPTICAL ROTATORY DISPERSION STUDIES. XXX.1 DEMONSTRATION OF BOAT FORM IN A 3-KETO STEROID2 (1959) (8)
- The method of molecular rotation differences applied to 3-keto steroids of the allo series. (1947) (8)
- Mass spectrometry in structural and stereochemical problems—CXCIX Contrasting fragmentations of singly‐ and doubly‐charged o‐, m‐ and p‐hydroxyalkylphenones and their trimethylsilyl ethers (1971) (8)
- Massenspektrometrie und ihre Anwendung auf strukturelle und stereochemische Probleme, CXXXV. Fragmentierungsverhalten und Synthese von α‐Hydrindanonen und deuterierten Analoga (1967) (8)
- Translational energy release and stereochemistry of steroids. IX‐The mechanism of the elimination of water from metastable ions in epimeric 3‐hydroxy steroids of the 5β‐series (1988) (8)
- The pill: emblem of liberation (2007) (8)
- Mass spectrometry in structural and stereochemical problems—CCV: The mass spectra of trimethylsilyl ethers of phenols and the importance of neighboring group participation in fragmentation† (1971) (8)
- Applications of Artificial Intelligence for Chemical Inference. Part XIX. Computer Generation of Ion Structures (1976) (8)
- On the Existence of Crystalline In2O. (1966) (8)
- Optical rotatory dispersion studies—CXII thiosteroids (20) (1968) (8)
- Steroids: 54. Synthesis of 19-nor-17alpha-ethynyltestosterone and 19-nor-17alpha-methyltestosterone. (1954) (7)
- Mass spectrometry in structural and stereochemical problems—CCXXV: Sulfur migration in the [MC2H4]+˙ ion of s‐ethyl thiobenzoate (1973) (7)
- BIOSYNTHETIC STUDIES OF MARINE LIPIDS. 4. MECHANISM OF SIDE CHAIN ALKYLATION IN E-24-PROPYLIDENECHOLESTEROL BY A CHRYSOPHYTE ALGA (1985) (7)
- Terpenoids. XLII.1The Absolute Configuration of (—) -Methylisopulegone2 (1960) (7)
- Optical rotatory dispersion studies. Configurational assignments among the aporphine alkaloids (1962) (7)
- Optical rotatory dispersion studies. 125. Independent evidence for preference of axial deuterium vs. axial hydrogen through variable-temperature circular dichroism spectra of (4S)-2,2-dimethyl-4-deuteriocyclohexanone and (3S)-3-deuterio-4,4-dimethylcyclohexanone (1978) (7)
- Naturally occurring oxygen heterocyclics 4-phenyl-5,7-dihydroxy-6-isovaleryl-8-isopentenylcoumarin (1959) (7)
- Alkaloid studies-XXI: Partial structure of casimiroedine☆☆☆ (1958) (7)
- Optical rotatory dispersion studies—XVIII : Demonstration of conformational mobility in 2-chloro-5-methylcyclohexanone☆☆☆ (1958) (7)
- Minor and trace sterols in marine invertebrates. 61. Isolation and structure elucidation of new A-nor sterols from the marine sponge Phakellia aruensis (1989) (7)
- This Man's Pill (2001) (7)
- Spectroscopic Studies on X(YZ)3 Type Molecules. IV. Force Constants and Compliants for Boric Acid. (1966) (7)
- An Immaculate Misconception : Sex in an Age of Mechanical Reproduction (2000) (7)
- A study of the fragmentation processes of some n-acyl-2-indolinols upon electron impact. (1968) (7)
- The Structures of the Diterpenoid Alkaloids Laurifoline and Cuauchichicine. Nomenclature Alteration (1955) (7)
- The Phase Diagram (64% SiO2 + 36% CaO)-CaF2. (1966) (7)
- Application of optical rotatory dispersion studies to problems in natural products chemistry (1961) (7)
- 5-Methyldoisynolic acid and 1-methylestrone. (1948) (7)
- Mentoring: A Cure for Science Bashing? (1991) (7)
- The Influence of the Solvent on Reaction Velocity. XXX. The Reaction between Benzyl Chlorides and Hydroxide Ion in Acetone-Water and Dimethyl Sulphoxide-Water Mixtures. (1966) (7)
- Studies of Isobenzothiophenes. I. On the Structure of the Products Formed from 2-Aryl-4,4-diphenyl-1,3-oxathiolan-5-ones and Concentrated Sulfuric Acid. (1966) (7)
- Steroids. CXIII.1 6-Methyl Estrogens (1959) (7)
- Semi-empirical Molecular Orbital Study of Dicyclopentadienylberyllium, (C5H5)2Be. (1966) (7)
- Mass spectrometry in structural and stereochemical problems—CXCVIII:† A study of the fragmentation processes of some α,β–unsaturated aliphatic ketones (1970) (7)
- Covalently bound fatty acids in membrane proteins of some sponges (1990) (7)
- The structure of julocrotine (1959) (7)
- Stereochemical course of the chemical and catalytic reduction of 11-oxo-5.alpha.,14.beta.-cholest-8-en-3.beta.-ol. Synthesis of 8.alpha.,9.alpha.,14.beta.-, 8.alpha.,9.beta.,14.beta.-, and 8.beta.,9.alpha.,14.beta.-steroids (1979) (7)
- Reactions of Lignin with Diazomethane. (1966) (7)
- Cyclic 2-Aminoethylborane (1,2-Azaboretidine), a Product from the Reaction between Aziridine and Sodium Borohydride. (1966) (7)
- Science on Stage: From Doctor Faustus to Copenhagen (2007) (7)
- Isolation, stereochemistry, and biosynthesis of Šormosterol, a novel cyclopropane-containing sponge sterol (1991) (7)
- Biosynthesis of 24-methylene-25-methylcholesterol in Phaseolus vulgaris (1991) (7)
- Optical rotatory dispersion studies, IL. Über Trithione, XV: Die anomale Rotationsdispersion optisch aktiver Terpen‐trithione (1961) (7)
- Cation Exchange Separation of Traces of Metals from Iron. I. Study of the Conditions for Separation. (1966) (7)
- Heats of Combustion and Formation of 4-Methylthiazole and 4-Cyanothiazole. (1966) (7)
- Alkaloid studies XXVI. The constitution of pyrifolidine (1961) (7)
- The Alkaline Decomposition of 2,3,4-Tri-O-Methyl-D-glucose and 2-O-Methyl-cellobiose. (1966) (7)
- Organic Selenium Compounds. II. Preparation of Tetra-alkylselenoureas. (1966) (7)
- A concrete example (2006) (7)
- Optical rotatory dispersion studies CXX. Synthesis and circular dichroism of chiral 3-deuteriocyclopentanone (1975) (7)
- Bromo-Complexes of Lead(II). (1966) (7)
- Alkaloid studies. LXIII. Constitution and chemistry of dichotine and 11-methoxydichotine (1970) (7)
- Addition of dichlorocarbene to steroidal olefins. Preparation of a stereoisomer of demethylgorgosterol, a cyclopropane-containing marine sterol. (1974) (7)
- Steroids. XXXVIII.1 Synthesis of Allopregnane-3,11,20-trione-17 α,21-diol (Dihydroallocortisone) from Allopregnan-3β-ol-11,20-dione (1952) (7)
- Basic research: the gray zone. (1993) (7)
- Thiophene Analogues of Indenes. II. The Synthesis, Tautomerism, and Metalation of the Thiophene Analogues of 2-Methylindene. (1966) (7)
- Magnetic circular dichroism studies. Part XXVI. Magnetic circular dichroism spectra of porphyrin dianions (1974) (7)
- Complex Formation with Triethylenetetraaminehexaacetic Acid. II. Mercury Chelates. (1966) (7)
- A Close Relation between the Crystal Structure of an Acceptor and That of an Addition Compound. (1966) (7)
- Studies of Inhibitor Action in the Photochemical Autoxidation of Benzaldehyde. I. Results with Hydroquinone and their Bearing on the Question of Chain Initiation. (1966) (7)
- Steroids LIV. Synthesis of 19-nor-17α-ethynyltestosterone and 19-nor-17α-methyltestosterone (2006) (7)
- OPTICAL ROTATORY DISPERSION STUDIES. 128. OCTANT CONTRIBUTIONS OF METHYL GROUPS IN 4‐TERT‐BUTYLCYCLOHEXANONES (1980) (7)
- Biosynthetic studies of marine lipids 18. Biosynthesis of 3β-(hydroxymethyl)-A-nor-5α-cholest-15-ene in the marine sponge phakellia aruensis (1988) (7)
- Hydrogen Bond Studies. 11. The Crystal Structure of Hydrazinium Bis(Dihydrogenphosphate) N2H6(H2PO4)2. (1966) (7)
- Mass Spectrometry in Structural and Stereochemical Problems. LXIX.1 Methyl Migration in an Electron Impact Induced Fragmentation2 (1965) (7)
- Terpenoids. VII.1Experiments in the Glycyrrhetic Acid Series (1954) (7)
- Studien über die NMR-Spektren der CH2-Protonen in einigen Mercaptal- und Mercaptolessigsäuren. (1966) (7)
- An Unusual Cyclization in the Naphthalene Series. Synthesis of 1-Ethylanthracene and of 4-Ethylphenanthrene (1956) (6)
- Mixed Thallium(III) Complexes of 2,2'-Dipyridyl Involving Coordinated Perchlorate and Nitrate Ions. (1966) (6)
- 1-Methyl-19-norprogesterone and 1-Methyl-19-nor-17α-hydroxyprogesterone (1956) (6)
- Magnetic circular dichroism studies. Part XXIX. Magnetic circular dichroism spectra of magnesium and zinc octaethylporphyrins and their five- and six-co-ordinated complexes (1974) (6)
- Reaction of Sugar Esters with Hydrogen Fluoride. VI. Tetra-O-benzoyl-2-O-methyl-D-glucopyranose. (1966) (6)
- Steroids. CXXX.1Synthesis of 12β-Hydroxyprednisolone 11β,12β-Acetonide 21-Acetate (1960) (6)
- Optical rotatory dispersion studies CXXVI. Synthesis and chiroptical properties of cyclohexanones with chirality solely due to isotopic substitution: 12CH3 13CH3 and CH3 CD3 (1978) (6)
- Gas Chromatographic Analysis of Pyridine Carboxylic Acids as their Esters. Comparison of Esterification Techniques. (1966) (6)
- OPTICAL-ROTATORY DISPERSION STUDIES .127. CHIRALITY DUE TO C-13-SUBSTITUTION - SYNTHESIS AND CHIROPTICAL PROPERTIES OF (1S)-2-ADAMANTANONE-4-C-13 AND (1S)-2,4-ADAMANTANEDIONE-4-C-13 (1979) (6)
- Alkaloid studies. Part LIV. Structure of deoxytubulosine and interconversion with tubulosine (1965) (6)
- Terpenoids. XXXVI. Iresin (Part 4). Isolation and Structure of Three Sesquiterpenes Related To Iresin (2010) (6)
- Die Synthese von Trichlormethylarylsulfiden aus Trichlormethansulfenylchlorid und reaktiven Aromaten. (1963) (6)
- SYNTHESIS OF (24R)- AND (24S)-5,28-STIGMASTADIEN-3β-OL AND DETERMINATION OF THE STEREOCHEMISTRY OF THEIR 24-HYDROXY ANALOGS, THE SARINGOSTEROLS (1984) (6)
- Complete computer automation of preparative liquid chromatography through intelligent fraction collection, with unlimited injection volume and repetitive collection of separated solute peaks (1982) (6)
- ALKALOID STUDIES. VI.1 CUAUCHICHICINE, A NEW DITERPENOID ALKALOID (1954) (6)
- Anomalous Optical Rotation and Circular Dichroism of N-Thioacylated alpha-Amino Acids and Derivatives in Various Solvents. (1966) (6)
- Die NMR-Spektren einiger schwefelhaltigen Essig- und alpha-Propionsäurederivate. (1966) (6)
- Spectroscopic Studies of Charge Transfer Complexes. II. Aldehydes and Iodine Monochloride. (1962) (6)
- Optical Rotatory Dispersion: Investigation of the phenomenon 140 years after its discovery sheds light on problems of organic chemistry. (1961) (6)
- Evidence for sterol side-chain dealkylation in Chlamydomonas reinhardtii (1992) (6)
- Massenspektrometrie und ihre Anwendung auf strukturelle und stereochemische Probleme, CL. Fragmentierungsverhalten und Synthese von bicyclischen und monocyclischen Modellen der 20‐Ketosteroide (1968) (6)
- Steroids. XXXII.1Introduction of the 11-Keto and 11α-Hydroxy Groups into Ring C Unsubstituted Steroids (Part 5). Δ8-7-Ketones (1952) (6)
- SYNTHESIS AND REACTIONS OF MIXED BROMO-CHLORO 3-KETOSTEROIDS1 (1954) (6)
- Mass spectrometry in structural and stereochemical problems. CCXXXVIII. Effect of heteroatoms upon the mass spectrometric fragmentation of cyclohexanones (1974) (6)
- On the Homogeneity Range of the PtS Phase. (1966) (6)
- Nucleophilic Reactivity. Part 7. Kinetics of the Reactions of Hydroxide Ion with 1-Substituted 2,4-Dinitrobenzenes in Water. (1966) (6)
- Synthesis and stereochemistry of ficisterol and norficisterol: biosynthetic implications (1987) (6)
- Mass spectrometry in structural and stereochemical problems. CLXXX. Study of the effect of ring size in reciprocal hydrogen transfer (1969) (6)
- Correspondence. Identification of Crystalline Progesterone with 2,4-Dinitrophenylhydrazine. Comments and Reply to Comments (1948) (6)
- Novel magnetic circular dichroism spectra of monoacetyl porphyrins. Structure implications. (1983) (6)
- Mass Spectrometry in Structural and Stereochemical Problems. XXVII.1 Mass Spectral Fragmentation Processes and Hydrogen Transfer Reactions of Amides and Amines2 (2002) (6)
- Stereoselective synthesis of (22R)- and (22S)-22-methylcholesterol (1982) (6)
- A High Priority? Research Centers in Developing Nations (1968) (6)
- Mass spectrometry in structural and stereochemical problems—CLXIV. Electron impact promoted fragmentation of some thiosemicarbazones (1968) (6)
- Optical Rotatory Dispersion, Applications to Organic Chemistry (McGraw-Hill Series in Advanced Chemistry) : McGraw-Hill, New York, 1960. 293 pp., $6.50 (1960) (6)
- Effect of Nitrogen Gas, Irradiated with a Beta-Ray Source, on Nitrogen Fixation in Continuous Cultures of Azotobacter vinelandii. (1963) (6)
- Communications - 8-Isoprogesterone (1956) (6)
- Alkaloid studies. LXII. X-ray crystallographic structure determination of dichotine hydrobromide (1970) (6)
- Alkaloid studies LXV. Confirmation of the heptacyclic structure of the alkaloids through x-ray analysis of obscurinervine hydrobromide (1971) (6)
- Mass spectrometry in structural and stereochemical problems. CCII. Interaction of remote functional groups in acyclic systems upon electron impact (1971) (6)
- Sterols from Marine Sources (1977) (6)
- Enthalpy and Activation Energy of the Fructose Mutarotation Determined by Polarimetry. (1966) (6)
- Studies in Organic Sulfur Compounds. IX.1 Preparation and Desulfurization of Optically Active 1,1-Diphenyl-3-mercaptopropan-2-ol2 (1957) (6)
- Use of n-lithioethylenediamine in the double bond isomerization and degradation of sterol side chains (1979) (6)
- The Synthesis of Some 14-Iso-11-ketosteroids. Stereochemical Course of Chemical and Catalytic Reduction of a 14β-Δ8-11-Ketosteroid1,2 (1957) (6)
- A Steroid autobiography (1984) (6)
- Studies in Organic Sulfur Compounds. V.1 Synthesis of 21-Thiolacetates of Adrenal Cortical Hormones (1953) (6)
- Alkaloid Studies. V.1Synthesis of 1-Isopropyl and 1-Isobutyl-2-methyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (1955) (6)
- Steroids. XI.1a17-Ethynylandrostan-17β-ol and Androstane-2,17-dione1b (1950) (6)
- Chromatography of Viscotoxin and Oxidized Viscotoxin on Phosphate Cellulose. (1966) (6)
- STEROIDS. X.1 AROMATIZATION EXPERIMENTS IN THE CHOLESTEROL SERIES (1950) (6)
- Mass spectrometry in structural and stereochemical problems–CXCIII: On the combined hydroxyl and water loss in nitrophenylhydrazones (1970) (6)
- Characterization of 3β-hydroxy-5α-cholesta-9(11),20(22)-dien-23-one-6α- YL-β-D-6′-deoxy glucoside from the starfish (1973) (6)
- The Structure of Sodium 3,5-Diacetylimino-1,2-dithiole Trihydrate. (1966) (5)
- Newton's Darkness: Two Dramatic Views (2003) (5)
- Magnetic circular dichroism of the 3B3μ ← 1 Ag excitation in pyrazine☆ (1976) (5)
- Notes on Unnecessary Redundants with Special Reference to the Planar Symmetrical XY2Z Molecular Model. (1966) (5)
- Gas Chromatographic Analysis of Mono-, Di-, and Tripentaerythritol in the Form of Their Trimethylsilyl Ethers. (1965) (5)
- The Non-Volatile Acids of Succulent Plants Exhibiting a Marked Diurnal Oscillation in Their Acid Content. III. The Acids of Kleinia repens (L.) Haw., Begonia tuberhybrida (Hort) and Mesembryanthemum criniflorum L. fil.. (1966) (5)
- Forced to Choose (2018) (5)
- [Mass spectroscopy and its application to structural and stereochemical problems. 68. Mass spectroscopic studies of constituents of hashish]. (1965) (5)
- Ultrasonic Absorption in Critical Binary Liquid Systems. (1966) (5)
- Research impact statements. (1973) (5)
- Magnetic circular dichroism spectroscopy. Convenient quantitative determination of uroporphyrin and coproporphyrin in urine samples. (1977) (5)
- Magnetic circular dichroism studies XXXV. A comparison of cytochromes P-450 and P-448. (1974) (5)
- High-Temperature Calorimetry in Liquid Oxide Systems. V. The Enthalpy of Formation of Be2SiO4, BeAl2O4, BeAl6O10. (1966) (5)
- A Calorimetric Study of Donor-Acceptor Complexes between Some Disulfides and Iodine. (1966) (5)
- Optical rotatory dispersion studies. CXVIII. Aliphatic C-nitroso compounds (1970) (5)
- Steroids. XXIII.1Δ7,9(11)-Allopregnadiene-3β,-20β-Diol and Related Compounds (1951) (5)
- The pyrolysis of the epimeric d sub 0 - And 2-d sub 1 -2-methylcyclohexyl-S-methyl xanthates and acetates. (1968) (5)
- The photolysis of 1-phenyl and 1-cyano substituted isoquinoline n-oxides to benz[f]-1,3-oxazepines☆ (1967) (5)
- Substituent conformational effects in the magnetic circular dichroism and absorption spectra of free-base carbonyl porphyrins (1987) (5)
- PROFILES, PATHWAYS, AND DREAMS Autobiographies of Eminent Chemists (1990) (5)
- Alkaloid studies. Part LXVI. Reactions of some Aspidosperma alkaloids with m-chloroperbenzoic acid. Removal of the angular ethyl group of aspidospermine (1972) (5)
- Studies on Sulfinic Acids. IV. Oxidation of Aromatic Sodium Sulfinates with Hydrogen Peroxide. (1966) (5)
- Mass spectrometry in structural and stereochemical problems—CCXIX: Identification of an unidirectional quadruple hydrogen transfer process in 7‐phenylhept‐3‐en‐2‐one o‐methyl oxime ether (1972) (5)
- Crystal Data of Some alpha-Hydroxyquinones Containing Intramolecular Hydrogen Bonds. (1966) (5)
- STEROIDAL SAPOGENINS. XVIII.1EXPERIMENTS IN THE 5,6-DIHYDROKRYPTOGENIN SERIES (1952) (5)
- Steroid contraceptives in the People's Republic of China. (1973) (5)
- Steroidal Sapogenins. XXX.1 Synthesis and Side Chain Degradation of 22a,5β-Spirostan-3α-ol-11-one Acetate (1953) (5)
- Biosynthetic studies of marine lipids. 40. Generation of the cyclopropane ring of sormosterol. (1992) (5)
- Theoretical analysis of the MCD spectra of some singlet-triplet transitions in formaldehyde (1975) (5)
- Synthesis of (23R)- and (23S)-methylcholesterol (1983) (5)
- The Effect of Bromine Substitution upon the Ultraviolet Absorption Spectra of α,β-Unsaturated Ketones (1951) (5)
- The Conversion of Androstane-3,17-dione to Androsterone1 (1955) (5)
- Experiments in the Hecogenin Series.1a Part 5.1b 22a,5β-Spirostan-3α-ol-12-one (1953) (5)
- Halogenation of Ketones. III. The Sodium Acetate and Sodium Bicarbonate Catalyzed Halogenation of Butanone-2. (1966) (5)
- Sensitization Mechanism in the Fluorescein Photosensitized Reduction of Ferric Ion by EDTA. (1966) (5)
- Halogenation of Ketones. V. Studies on the Mechanisms of Base Catalyzed Halogenations of Butanone-2. (1966) (5)
- Mass spectrometry in structural and stereochemical problems. CCXXVIII. Application of ion cyclotron resonance for differentiation between tautomers. Vinylthiol and thioacetaldehyde (1973) (5)
- Mass spectrometry in structural and stereochemical problems CVIII. Deuterium isotope effects in site-specific mass spectrometric rearrangement processess (1966) (5)
- Biosynthetic, studies of marine lipids. 21. Experimental demonstration of a biosynthetic interconversion of cyclopropene sterols in the sponge calyx nicaeensis (1988) (5)
- Synthesis of ficisterol - the first natural sterol with 23-thyl substitution (1980) (5)
- Detection of Positive and Negative Gas Ions in Ultraviolet Irradiated Nitrogen Gas and Their Effect on Nitrogen Fixation in Continuous Cultures of Azotobacter vinelandii. (1963) (5)
- On the Application of Glass Membranes as Alkali Electrodes at Elevated Temperatures. (1966) (5)
- Chemistry In Theatre: Insufficiency, Phallacy Or Both (2012) (5)
- Sterols of the cultured euglenid Eutreptia viridis : A novel Δ23-unsaturated sterol. (1982) (5)
- Cation Exchange Separation of Traces of Metals from Iron. II. Application to the Analysis of High-Purity Iron and Steel. (1966) (5)
- Enhanced Synthesis of Myristic Acid by Rat Liver Homogenates after Addition of Citrate. (1966) (5)
- The Constitution of Fluorescein Oxime and the Hydroquinonephthalein Oximes. (1966) (5)
- OPTICAL ROTATORY DISPERSION STUDIES. 133. DEUTERIUM OCTANT CONTRIBUTIONS IN CYCLOHEXANONES (1980) (5)
- The Preparation of 5-Methoxybenzene-1,2,3-tricarboxylic Acid1 (1946) (5)
- Heats of Activation of the Zn/Zn2+aq Electrode. (1962) (5)
- Alkaloid studies LXIV. The crystal structure and absolute Configuration of (−) 17-O-methyl-aspidodispermine Nb-hydrobromide☆ (1970) (5)
- Alkaloid Studies. XII.1 Synthesis of Substituted 1-Isobutyl-2-methyl-1,2,3,4-tetrahydroisoquinolines2 (1956) (5)
- Steroids. XXXVI. Desulfurization Experiments in the 7-Ketopregnane Series (1952) (5)
- The vapor phase magnetic circular dichroism spectrum of the 3Au ← 1Ag excitation of glyoxal (1976) (5)
- Mass Spectrometry in Structural and Stereochemical Problems. CI.1 A Study of the Fragmentation of Some Azabicyclo Lactams2 (1966) (5)
- APPLICATIONS OF ARTIFICIAL INTELLIGENCE FOR CHEMICAL INFERENCE PART 9, ANALYSIS OF MIXTURES WITHOUT PRIOR SEPARATION AS ILLUSTRATED FOR ESTROGENS (1973) (5)
- The circular dichroism of some lactic acid derivatives. A re-interpretation (1969) (5)
- 768. Studies in organic sulphur compounds. Part XIV. Formation of olefins on desulphurisation of ethylene thioketals by Raney nickel (1963) (5)
- Dinosterol in model membranes: Fluorescence polarization studies (1980) (5)
- Mass spectrometry in structural and stereochemical problems. CCLVI—electron impact induced fragmentation of juvenile hormone analogs†‡ (1976) (5)
- Minor and trace sterols in marine invertebrates 65. 23-Epidihydrocalysterol: a new cyclopropane-containing sponge sterol (1992) (5)
- Equiatomic Transition Metal Alloys of Manganese. V. On the Magnetic Properties of the PtMn Phase. (1966) (5)
- The structure of the high energy (m-ketene)+. ions from acetanilide. (1973) (4)
- Moss Pigments. 4. An Investigation of the Occurrence of Proanthocyanidins in Mosses. (1966) (4)
- Electron impact induced fragmentation of steroidal diketones with ‘abnormal’ stereochemistry (1980) (4)
- On the Existence of Acid Salts of Monocarboxylic Acids in Water Solutions. (1966) (4)
- Synthese von S-(Buten-1-yl)-L cystein-sulfoxid und die enzymatische Spaltung desselben zu 1-Butenylsulfensäure. (1966) (4)
- Alkaloid studies. LX(1). The structures of two novel aspidosperma alkaloids, deoxyaspidodispermine and aspidodispermine. (1968) (4)
- Optical rotatory dispersion studies CXXII. Synthesis and circular dichroism of (3s)-deuteriocyclohexanone (1978) (4)
- Steroidal Sapogenins. IX.1 Oxidation of Δ5,16,20(22)-Furostatriene-3β,26-diol2 (1951) (4)
- Mass spectrometry in structural and stereochemical problems: CCXXXVI—corrected electron-impact-induced migratory aptitudes in aryl phenyl carbonates†‡ (1974) (4)
- The Crystal Structures of Mo2As3 and W2As3. (1965) (4)
- Theory of Ultrafiltration. (1966) (4)
- Mass spectrometry in structural and stereochemical problems‐CCXXIX: Electron‐impact‐induced fragmentation of boric acid esters (1974) (4)
- Differential Spectrophotometry on Humic Acids. (1966) (4)
- The Indication of Coplanarity in 3-Phenylpyridazines by NMR. (1966) (4)
- Formylation of Pyrrole Derivatives (1984) (4)
- Mass spectrometry in structural and stereochemical problems. CCXX. Synthesis and mass spectra of 5d-cholest-8(9)- and 8(14)-en-7-ones. (1972) (4)
- 2-(ARYLOXYMETHYL)THIAZOLINES AND PENTHIAZOLINES (1950) (4)
- Magnetic circular dichroism studies. XVI. Magnetic circular dichroism investigations of some conjugated olefins (1972) (4)
- 2-SUBSTITUTED-4-(2-DIALKYLAMINOETHYL)THIAZOLES (1950) (4)
- 362. Steroidal sapogenins. Part XL. Reaction of 12-oxo-sapogenins with selenium dioxide: synthesis of 3β-hydroxypregna-5,9(11),16-trien-20-one from botogenin (1961) (4)
- Complex Formation of Nickel(II) with Xylenol Orange. (1966) (4)
- Preparation and Derivatives of N-Substituted Glycinonitriles (1950) (4)
- MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 36. (24S)-24H-ISOCALYSTEROL: : A NEW STEROIDAL CYCLOPROPENE FROM THE MARINE SPONGE CALYX NICEAENSIS (1983) (4)
- Sex in an Age of Technological Reproduction: ICSI and Taboos (2008) (4)
- Synthesis and biological activity of D-bishomosteroids (1972) (4)
- The preparation and dienone-phenol rearrangement of 2-bromo-1,4-androstadien-17-ol-3-one 17-hexahydrobenzoate. (1948) (4)
- Mass spectrometry in structural and stereochemical problems—CLXXXIV: Charge localization in fragment ions of amino ketones and esters (1970) (4)
- The alkaloids ofAspidosperma discolor A. DC (1963) (4)
- Mass spectrometry in structural and stereochemical problems. CLXXX. Oxygen rearrangement and fragmentation reactions after electron impact on 4-hydroxy- and 4-alkoxy-1-decalones (1969) (4)
- Mass spectometry in structural and stereochemical problems—CLXVIII. Effect of fluorine substitution on the McLafferty rearrangement of aliphatic ketones.†‡ (1969) (4)
- Optical Rotatory Dispersion Studies, LXXXVI. Über Trithione, XVI. Darstellung, Anomale Rotationsdispersion und Zirkulardichroismus optisch Aktiver Trithione (1964) (4)
- Synthesis and stereochemical assignment of (22R,24S)-, (22R,24R)-, (22S,24R)-, and (22S,24S)-22,24-dimethylcholesterol (1984) (4)
- Steroids. XLIV.1 Synthesis of Δ4-Pregnene-11α,21-diol-3,20-dione Diacetate, the 11-Epimer of Corticosterone Acetate (1953) (4)
- 181. 22-isoalloSpirost-8(14)-en-3β-ol and 3β-hydroxyallopregn-8(14)-en-20-one (1952) (4)
- Additions and Corrections - Isolation and Structure Elucidation of 22(S),23(S)-Methylene-Cholesterol. Evidence for Direct Bioalkylation of 22-Dehydrocholesterol (1981) (4)
- On the magneto-optical activity of singlet-triplet transitions in near-symmetric tops☆ (1975) (4)
- On the Preparation and Properties of Disulfide-Reduced, Alkylated Fibrinogen and Fibrin. (1962) (4)
- Studies in organic sulfur compounds XV. A novel base-catalyzed rearrangement of a steroid β-keto-xanthate (1963) (4)
- Birth control in the year 2001 (1981) (4)
- Mass spectrometry in structural and stereochemical problems—CCXXI: The loss of methyl from the [M C2H4]+· ion of butyrophenone† (1972) (4)
- Terpenoids. Part LXVI. Simultaneous functionalization of the angular 10- and 13-methyl groups in 11β-hydroxylanostan-3β-yl acetate by oxidation with lead tetra-acetate–iodine (1970) (4)
- Inhibition and substrate specificity of yeast Δ22-desanturase (1990) (4)
- The magnetic circular dichroism spectrum of formaldehyde-d2 vapor (1976) (4)
- Sex and teenagers (1986) (4)
- A Study of the Fragmentation Processes of Some Benzoxazepines Upon Electron Impact. (1969) (4)
- Magnetic Circular Dichroism Studies. 62.1 Sign Variation in the Magnetic Circular Dichroism Spectra of Some Perimeter Symmetric Free-Base Porphyrins (1983) (4)
- The complete structure of the triterpene arborinol. (1965) (4)
- Circular Dichroism and the Bouguer-Lambert-Beer Law. (1966) (4)
- Metabolism of unusual membrane phospholipids in the marine sponge Microciona prolifera. (1991) (4)
- Notes- Conformational Analysis. XIX. Optical Rotatory Dispersion Studies. L. The Conformers of trans-2-Chloro-5-methylcyclohexanone (1961) (4)
- The chemistry of fungi. Part LIII. [Optical rotatory dispersion studies. Part CV.] The absolute configuration of rosenono- and rosolo-lactone (1966) (4)
- 1,2-Diarylcyclopropane Derivatives. (1966) (4)
- Optical rotatory dispersion studies. 130. Additivity of deuterium octant contributions in cyclohexanone (1980) (4)
- 1164. Studies in organic sulphur compounds. Part XVII. The synthesis of previously inaccessible acylated enamines by desulphurisation of thiazolidines (1965) (4)
- 2-(Benzhydryloxymethyl) imidazoline, a new histamine antagonist. (1948) (4)
- MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. PART 4. IDENTIFICATION OF SHORT SIDE-CHAIN STEROLS IN THE SPONGE DAMIRIANA HAWAIIANA (1978) (4)
- Notes- Steroids. CXLIV. Synthesis of Some 6α,17α-Dihaloprogesterones (1960) (4)
- Magnetic circular dichroism studies. Part 45. A comparison between the magnetic circular dichroism and Shpol'skii spectra of palladium, zinc, and magnesium porphin (1977) (4)
- Biosynthetic Studies of Marine Lipids. Part 31. Evidence for a Protonated Cyclopropyl Intermediate in the Biosynthesis of 24- Propylidenecholesterol (2010) (4)
- Preparation of a Mixture of Mono-13C-fluorobenzenes. (1966) (3)
- The structures of five newAspidosperma alkaloids related to uleine (1964) (3)
- MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 15. FICISTEROL (23‐ETHYL‐24‐METHYL‐27‐NORCHOLESTA‐5,25‐DIEN‐3β‐OL). A BIOSYNTHETICALLY UNPRECEDENTED STEROL FROM THE MARINE SPONGE PETROSIA FICIFORMIS (1980) (3)
- Chemical birth of the pill. 1992. (2006) (3)
- "Macho Total Synthesis" (1999) (3)
- In Retrospect: From The Pill To The Pen (2014) (3)
- Kinetics of the Alcoholysis of Acetyl Chloride in Ethanol. (1966) (3)
- An Extended Wolfsberg-Helmholtz Calculation on Tetrahedral NiCl4(2-). (1966) (3)
- TERPENOIDS. LXXII. CHEMICAL STUDIES OF MARINE INVERTEBRATES. XXVI. Δ9(12)‐CAPNELLENE‐3β,8β,10α,14‐TETROL, A NOVEL POLYOXYGENATED SESQUITERPENE FROM THE ALCYONARIAN CAPNELLA IMBRICATA (1977) (3)
- Translational energy release and stereochemistry of steroids 6—Contribution of the 18- and 19-methyl groups to the translational energy release for the angular methyl loss in unsaturated steroids (1985) (3)
- STEROIDAL SAPOGENINS. XXIV.1SYNTHESIS AND SIDE CHAIN DEGRADATION OF Δ7-22a-SPIROSTEN-3α-OL (1953) (3)
- The reversible reduction potential of the proton in water and in non-aqueous solvents (1992) (3)
- Bromination of Certain Ketosteroids and a Partial Synthesis of Œstradiol, Œstrone and Equilenin (1950) (3)
- A Note on the Constitution of the Diterpene C20H28O3 from Solidago canadensis L.. (1966) (3)
- The Photolysis of Iodine and Ethyl Iodide in Oxygen-free and Oxygen-containing Hydrocarbon Matrixes at 77 degrees K. (1966) (3)
- Mass spectrometry in structural and stereochemical problems. 33. Colchicine alkaloids. (1963) (3)
- Biosynthetic Studies of Marine Lipids. Part 11. Synthesis, Biosynthesis, and Absolute Configuration of the Internally Branched Demospongic Acid, 22-Methyl-5,9-octacosadienoic Acid. (1987) (3)
- Studies of Spectral Changes in Connection with the Photoreduction of Benzophenone and 4,4'-Dialkylbenzophenones by Alcohols. II. (1966) (3)
- Magnetic circular dichroism studies. Part XXX. Vibronic intensity in metalloporphyrins (1974) (3)
- Making drugs (and soaking the poor?) (1984) (3)
- Suppression of McLafferty rearrangements in the mass-spectrometric fragmentation of even-electron systems (1966) (3)
- From the Lab into The World: A Pill for People, Pets, and Bugs (1994) (3)
- Ludwig Haberlandt – "Grandfather of the Pill" (2009) (3)
- Magnetic circular dichroism analysis of the IHP effect on spin equilibria in human ferric hemoglobins. (1980) (3)
- Optical rotatory dispersion studies CXI. The octant rule and equatorial alkoxycarbonyl and carboxyl groups. Synthesis of optically active adamantanones (1968) (3)
- The Preparation of 1,1-Dichloro-3,3-dibromobutanone-2. (1966) (3)
- Crystallization of Linseed Oil Fatty Acids from Acetonitrile. (1966) (3)
- Synthesis and Absolute Configuration of New Trichloro Steroids with Cyclopropane‐Containing Side Chains (1981) (3)
- Steroidal Sapogenins. XIV.1 Δ4, 6-22-Isospirostadien-3β-Ol and Δ2, 4, 6-Isospirostatriene (1951) (3)
- A Novel Route to 1,3-Dioxoles via a General Acid-Catalyzed Isomerization Reaction. (1966) (3)
- 2,6-Dibromophenol and 2,4,6-tribromophenols—Antiseptic secondary metabolites ofPhoronopsis viridis (2005) (3)
- The sulfonation of some polycyclic ketones. (1948) (3)
- Mass spectrometry in structural and stereochemical problems. CXL. Competitive McLafferty rearrangements in bifunctional compounds (1967) (3)
- MAGNETIC CIRCULAR DICHROISM STUDIES PART 29, MAGNETIC CIRCULAR DICHROISM SPECTRA OF MAGNESIUM AND ZINC OCTAETHYLPORPHYRINS AND THEIR FIVE- AND SIX-CO-ORDINATED COMPLEXES (1975) (3)
- Mass Spectrometry in Structural and Stereochemical Problems. CIII.1 Electron Impact Induced Methyl Migration in Some 2-Arylidene-1-decalones2 (1966) (3)
- Nucleophilic Reactivity. Part 8. Reactivity of Alkoxide Ions, Alcohols, and Water Toward Picryl Fluoride. (1966) (3)
- ALKALOID STUDIES PART 68, NOVEL PIPERIDYL ALKALOIDS FROM LUPINUS FORMOSUS (1975) (3)
- The course of the electron impact-induced elimination of hydrogen sulphide from aliphatic thiols (1967) (3)
- Mass Spectrometry in Structural and Stereochemical Problems. XLIII.1 Mass Spectrometric Fragmentation of Isohexyl Bromide and Five Deuterated Derivatives (1964) (3)
- Minor and trace sterols in marine invertebrates. 62. novel coprostanols with unusual side chains from the marine sponge Calyx nicaeensis (1989) (3)
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- The mass spectrometric behavior of 3α,5-cyclo-5α-cholestan-6β-yl alkyl ethers (1980) (3)
- 50 Jahre Pille in Deutschland – eine Replik (2011) (3)
- Minor Components in Tall Oil. I. Neutral Carbonyl Compounds. (1966) (3)
- Über die Stereochemie der Sumaresinolsäure und deren Überführung in Oleanolsäure (1955) (3)
- Magnetic circular dichroism studies. XXVIII. Solvent dependent absorption and magnetic circular dichroism spectral studies of triphenylcarbenium ion (1974) (3)
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- On the Structure of the Bromination Product of 4-Methyl-4,3-borazaroisoquinoline. (1966) (3)
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- Synthesis of the four stereoisomers of 22,23-dimethylcholesterol (1985) (3)
- Alkaloid studies LV. 19-dehydroyohimbine, a novel alkaloid fromAspidosperma pyricollum (1965) (3)
- Optical rotatory dispersion studies CXXIV. Synthesis and circular dichroism of 3(S)a- and 3(R)e-deuterio-4(R)-t-isopropylcyclohexanone (1979) (2)
- The Hydrolysis of three Alkoxy-diethyl-phosphine Oxides. (1966) (2)
- X-Ray Crystallographic and IR Data on Some Divalent Selenium and Tellurium Compounds. (1966) (2)
- The mechanism of the reduction of α,β-unsaturated (steroid) ketones with diborane (1972) (2)
- The Crystal and Molecular Structure of a C,N-Disubstituted Oxaziridine. (1966) (2)
- Decay of Radiation Induced Radicals and the Yield of Thermoluminescence. (1966) (2)
- Effect of protonation on the electronic spectra of some cobalt(III) cage complexes (1992) (2)
- Radiation-induced Organic Sulfur Radicals at 77 degrees K. (1966) (2)
- Crystal Structure of Cyclohexane-1,4-dioxime. (1966) (2)
- NMR Spectra of Some Nitro-substituted N-Alkylanilines. III. The Conformation of N,3-Dimethyl-2,4,6-trinitroaniline. (1966) (2)
- Biosynthetic Studies of Marine Lipids. Part 34. Stereochemical Features of the Enzymatic C‐Methylation on the Path to Isofucosterol and Fucosterol. (1991) (2)
- Über die Darstellung einiger Selenouroniumsalze und Selenouroniumbetaine. (1966) (2)
- THE SYNTHESIS OF DEMETHYLGORGOSTEROL (1979) (2)
- On the Nature of Charge-carriers in Liquid Se Containing Cl. (1966) (2)
- A Polarographic Study of Kinetics and Equilibria of Methyl Green in Aqueous Solutions. (1966) (2)
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- The Need for Birth Control: Why and What Kind? (1992) (2)
- 5 -pregn-9(11)-ene-3 ,6 -diol-20-one and 5 -cholesta-9(11),20(22)-diene-3 ,6 -diol-23-one. Two novel steroids from the starfish Acanthaster planci. (1972) (2)
- MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. 24‐ETHYL‐Δ5,24(28),28‐CHOLESTATRIEN‐3β‐OL ‐ A NATURALLY OCCURRING ALLENIC MARINE STEROL (1978) (2)
- Studies on the Methods of Preparation of Di- and Tri-selena- straight-chain Fatty Acids and the Corresponding Amides, with Some Remarks on the Infrared Spectra of the Mono-, Di- and Tri-selena-fatty Acids. (1966) (2)
- Fertility Control Through Abortion: An Assessment of the Period 1950-1980. (1972) (2)
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- Alkaloid studies. The structure of aspidofiline (1962) (2)
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- No political will to seek innovative contraception (2005) (2)
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- The Neutral Constituents of the Cactus Lophocereus schottii . The Structure of Lophenol 4 a-Methyl-A 7-cholesten-3 polA Link in Sterol Biogene ~ isl-~ (2)
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- FACTORS GOVERNING THE RELATIVE STABILITIES OF THE C D CIS AND TRANS RING JUNCTURES IN Δ8-11-KETO STEROIDS (1977) (2)
- The crystal structure of 3β-hydroxy-4α,23R,24R-trimethyl-5α-cholestane (23R,24R-5α-dinostanol) from dinoflagellates1 (1986) (2)
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- New Sennoside from Cassia Species. (1966) (2)
- Studies on Metal Ion Co-ordination in Solution. III. The Complex Formation of Triphenylarsine with Silver(I) and with Mercury(II) Chloride in Mixed Water-Methanol Solvents. (1966) (2)
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- Free Energy Measurements of Sodium Chloride in Fused Mixtures with the Alkaline Earth Chlorides. (1966) (2)
- THE ALKALOIDS OF ASPIDOSPERMA DISCOLOR A. DC. (1963) (2)
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- Additions and Corrections - Optical Rotatory Dispersion Studies. 127. Chirality Due to 13C Substitution. Synthesis and Chiroptical Properties of (1S)-2-Adamantanone-413C and (1S)-2-4-Adamamantanedione-413C (1979) (1)
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- 24Epsilon-methylcholestane-3beta,5alpha,6beta,25-tetrol 25-monoacetate. A novel polyhydroxylated steroid from an alcyonarian. (1974) (1)
- MINOR AND TRACE STEROLS IN MARINE INVERTEBRATES. PART XI. 5α-24-NORCHOLESTAN-3β-OL AND (24Z)-STIGMASTA-5,7,24(28)-TRIEN-3β-OL, TWO NEW MARINE STEROLS FROM THE PACIFIC SPONGES TERPIOS ZETEKI AND DYSIDEA HERBACEA (1979) (1)
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- Thermodynamic Properties of Stannous Sulfide Around 900 degrees C. (1966) (1)
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- On the Phase Diagram Barium Chloride---Potassium Chloride. (1966) (1)
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- The Devi case and more (1995) (0)
- Waiting for the man (2003) (0)
- ANWENDUNGEN VON ′KUENSTLICHER INTELLIGENZ′ FUER CHEMISCHE SCHLUSSFOLGERUNGEN 6. MITT. ANNAEHERUNG AN ALLGEMEINE METHODE DER INTERPRETATION VON GERING AUFGELOESTEN MASSENSPEKTREN MITTELS COMPUTER (1970) (0)
- STEREOSPECIFIC CYCLOPROPANE RING-OPENING OF PETROSTEROL. A POSSIBLE BIOMIMETIC PROCESS (1982) (0)
- Optical Rotatory Dispersion Studies. Part 138. Synthesis and Conformational Analysis of β-Heteroatom-Substituted Cyclohexanones. (1986) (0)
- "My Mom, the Professor" (1988) (0)
- The course of the electron impact-induced dehydrochlorination of primary alkyl chlorides (1966) (0)
- Synthesis of 11‐Oxygenated Steroids from Steroidal Sapogenins (2008) (0)
- Magnetic circular dichroism studies. Part 55. The aliphatic nitro chromophore (1979) (0)
- The crystal structure of 3 beta-hydroxy-4 alpha, 23R, 24R-trimethyl-5 alpha-cholestane (23R, 24R-5 alpha-dinostanol) from dinoflagellates. (1986) (0)
- Mass spectrometry in structural and stereochemical problems. 128. Further studies on the mass spectrometry of 15-keto steroids. (1967) (0)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS PART 244, THE INFLUENCE OF SUBSTITUENTS AND STEREOCHEMISTRY ON THE MASS SPECTRAL FRAGMENTATION OF PROGESTERONE (1975) (0)
- Carl Djerassi discusses pills, plays and prizes. Interviewed by Samantha Barton and Jayne Carey. (2005) (0)
- CATALYTIC HYDRATION AND DEUTERATION OF STEROIDS IN THE HOMOGENEOUS PHASE. (1968) (0)
- Mass spectrometry in structural and stereochemical problems. CLXXXIV (1970) (0)
- SEITENKETTEN-UMWANDLUNGEN UND MARKIERUNG MIT DEUTERIUM IN DER REIHE DER STEROID-SAPOGENINE (1970) (0)
- Optical rotatory dispersion and spectral data of some steroidal ring D ketol acetates of the 14β-series (1961) (0)
- Heterocyclic amines with antithistaminic activity. (1946) (0)
- Mass spectrometry in structural and stereochemical problems. CXCIX. (1971) (0)
- Thermal and Compositional Dependence of Electric Conductivity of Cu(1-x)Zn(x)Al2O4 Spinels. (1966) (0)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS. PART 256. THE MASS SPECTROMETRIC BEHAVIOR OF 3α,5-CYCLO-5α-CHOLESTAN-6β-YL ALKYL ETHERS (1981) (0)
- Foreplay: Hannah Arendt, the Two Adornos, and Walter Benjamin (2011) (0)
- Birth Control in the People's Republic of China: Promise and Delivery (1974) (0)
- Applications of artificial intelligence for chemical inference. V. (1970) (0)
- Alkaloid Studies . XV 1 I . l The Structure of the Cactus Alkaloid Pilocereine (0)
- SYNTHESIS AND BIOCHEMICAL SCREENING OF PHENYLSELENIUM-SUBSTITUTED STEROID HORMONES (1980) (0)
- Biophysical properties of unusual phospholipids and sterols from marine invertebrates. (1986) (0)
- 4. Four jews (2008) (0)
- United States Patent Office 2 , 968 , 662 Patented Jan . 17 , 1961 (0)
- Memorandum from Joshua Lederberg and Carl Djerassi [to colleagues on a proposed GC/HRMS facility] (1973) (0)
- Minor and trace sterols in marine invertebrates. Isolation and structure elucidation of 24-methyl-5 alpha-cholesta-7,9(11), 24(28)-trien-3 beta-ol, the first naturally occurring delta 7,9(11) unsaturated marine sterol. (1982) (0)
- STRUKTUR VON JEGOSAPOGENOL (BARRINGTOGENOL C, AESCINIDIN) UND KONFIG. AN C-21 UND C-22 BEI BARRINGTOGENOL D, AESCIGENIN, PROTOAESCIGENIN UND ISOAESCIGENIN (1970) (0)
- And Then Do Something Else (1993) (0)
- CHARACTERIZATION OF 3BETA‐HYDROXY‐5ALPHA‐CHOLESTA‐9(11),20(22)‐DIEN‐23‐ONE‐6ALPHA‐YL‐BETA‐D‐6′‐DEOXY GLUCOSIDE FROM THE STARFISH ACANTHASTER PLANCI (1973) (0)
- Unit Cell and Space Group Data on Certain Pyranose Sugars. (1966) (0)
- Mass spectrometry in structural and stereochemical problems. CLII. (1968) (0)
- Minor and trace sterols in marine invertebrates 39. 24 xi, 25 xi-24,26-Cyclocholest-5-en-3 beta-ol, a novel cyclopropyl sterol. (1982) (0)
- Combining Parenting and a Science Career. (2005) (0)
- Marine 4-methyl sterols: synthesis of C-24 epimers of 4 alpha, 24-dimethyl-5 alpha-cholestan-3 beta-ol and 360 MHz 1HNMR comparisons to the natural product from Plexaura homomalla. (1983) (0)
- Paul Klee : masterpieces of the Djerassi Collection (2002) (0)
- Mass spectrometry in structural and stereochemical problems. CLXXXI (1970) (0)
- Acid-catalyzed Reaction of Aldehydes and Ketones with Formaldehyde in Non-aqueous Media. (1966) (0)
- Mass spectrometry in structural and stereochemical problems. Absence of electron-impact induced methyl migration in 2,2,8,8-tetramethylnonan-5-one (1965) (0)
- OPTICAL ROTATORY DISPERSION STUDIES—131: DEMONSTRATION OF A CONFORMATIONAL ISOTOPE EFFECT IN DEUTERIUM SUBSTITUTED CYCLOPENTANONES††This contribution commemorates our collaborative research in the late 1950's with R. B. Woodward which led to the development of the octant rule (Ref. 7). (1981) (0)
- MAGNETIC CIRCULAR DICHROISM STUDIES PART 28, SOLVENT DEPENDENT ABSORPTION AND MAGNETIC CIRCULAR DICHROISM SPECTRAL STUDIES OF TRIPHENYLCARBENIUM ION (1974) (0)
- Mass spectrometry in structural and stereochemical problems. XCIV.11Paper XCIII, Djerassi, C. and Tökes, L. J. Amer. Chem. Soc., in press. Steroidal Δ16-20-ketones and Δ9(11)-12-ketones (1965) (0)
- On the Origin of Electronic Term Splittings in Trigonally Distorted Metal Complexes. (1966) (0)
- Introduction: Flawed Genius (2003) (0)
- The fragmentation of some cyanohydrins and O-acylcyanohydrins upon electron impact. (1967) (0)
- The revolution revisited. (1996) (0)
- No political will to seek innovative contraception [letter] (2005) (0)
- MAGNETIC CIRCULAR DICHROISM STUDIES PART 27, ELECTRONIC STRUCTURE OF RING-HALOGENATED DIFLUOROPHENYLCARBENIUM IONS (1974) (0)
- STEREOCHEMICAL COURSE OF THE CHEMICAL AND CATALYTIC REDUCTION OF 11-OXO-5α,14β-CHOLEST-8-EN-3β-OL. SYNTHESIS OF 8α,9α,14β-, 8α,9β,14β-, AND 8β,9α,14β-STEROIDS (1979) (0)
- Progestin : Synthetic Progesterone Progestin : Synthetic Progesterone (2017) (0)
- In China, family planning affects 90 percent of the urban population. (1973) (0)
- [Not Available]. (1949) (0)
- 2003 Erasmus Lecture Sex and reproduction: ready for divorce? (2004) (0)
- A process for preparing new Pregnanverbindungen (1959) (0)
- [Magnetic circular dichroism. VII. Some vitamin B 12 derivatives]. (1969) (0)
- MAGNETIC CIRCULAR DICHROISM STUDIES PART 26, MAGNETIC CIRCULAR DICHROISM SPECTRA OF PORPHYRIN DIANIONS (1974) (0)
- A METHOD FOR CALCULATING VIBRONIC MAGNETIC ROTATIONAL STRENGTHS AND OSCILLATOR STRENGTHS: FORMALDEHYDE (1973) (0)
- Sterols in Marine Invertebrates. Part 60. Isolation and Structure Elucidation of Four New Steroidal Cyclopropenes from the Sponge Calyx podatypa. (1989) (0)
- MASS SPECTROMETRY IN STRUCTURAL AND STEREOCHEMICAL PROBLEMS PART 235, A HIDDEN HYDROGEN REARRANGEMENT IN LONG CHAINED ANILIDES (1974) (0)
- Letter from Carl Djerassi, Syntex Laboratories to Joshua Lederberg (1960) (0)
- Letter from Carl Djerassi to Joshua Lederberg (1959) (0)
- DEUTERIUM ISOTOPE EFFECT IN THE PHOTOCHEMISTRY OF A 20-OXOSTEROID ANALOGUE. (1967) (0)
- "Resource-Related Research - Computers and Chemistry" Renewal Application, December 1973 (1973) (0)
- Speztrometry in Structural and Stereochemical Problems - CYZVTI. Flectron-Impact Tcducad Functional Group Interaction in s-~~nzyloxycyclohexy1 Trimnthglsilyl Ether (2001) (0)
- MASSENSPEKTROSKOPIE BEI DER LOESUNG STRUKTURELLER UND STEREOCHEMISCHER PROBLEME 182. MITT. 10-PHENYL-2-DECALONE, SYNTH. UND ELEKTRONENSTOSSBEDINGTE PHENYLWANDERUNG BEI TRANS-10-PHENYL-DELTA(3)-2-OCTALON (1970) (0)
- Mass spectrometry in structural and stereochemical problems. CXLII. (1968) (0)
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