William Summer Johnson

William Summer Johnson's AcademicInfluence.com Rankings

Chemistry

#1734

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#2521

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Organic Chemistry

#224

World Rank

#280

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chemistry Degrees

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Chemistry

William Summer Johnson's Degrees

PhD Chemistry Stanford University
Bachelors Chemistry University of California, Berkeley

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William Summer Johnson's Published Works

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Published Works

Simple stereoselective version of the Claisen rearrangement leading to trans-trisubstituted olefinic bonds. Synthesis of squalene (1970) (516)
Notes - Osmium Tetroxide-Catalyzed Periodate Oxidation of Olefinic Bonds (1956) (504)
Nonenzymic biogenetic-like olefinic cyclizations (1968) (154)
Asymmetric synthesis via acetal templates. 3. On the stereochemistry observed in the cyclization of chiral acetals of polyolefinic aldehydes; formation of optically active homoallylic alcohols (1983) (144)
Affinity chromatography : a practical approach (1985) (139)
The Proton Magnetic Resonance Spectra of Some α-Acetoxy Ketones (1961) (136)
Biomimetic polyene cyclizations. (1976) (122)
Acetylenic bond participation in biogenetic-like olefinic cyclizations. II. Synthesis of dl-progesterone. (1971) (97)
A highly stereoselective synthesis of trans-trisubstituted olefinic bonds (1968) (96)
The Energy Difference between the Chair and Boat Forms of Cyclohexane. The Twist Conformation of Cyclohexane (1961) (95)
Methylation of Alcohols with Diazomethane (1958) (85)
Biomimetic polyene cyclizations (1976) (83)
An improved reagent for the o-alkyl cleavage of methyl esters by nucleophilic displacement (1970) (75)
A Plan for Distinguishing between Some Five- and Six-membered Ring Ketones (1945) (66)
Asymmetric synthesis via chiral acetal templates. 7. Further studies on the cyanation reaction. The use of acetals derived from diols with one chiral center (1984) (66)
MORBIDITY AND MORTALITY IN PSEUDOPOLYCYTHÆMIA (1975) (63)
Fifty years of research (1991) (62)
Asymmetric synthesis via acetal templates. 4. Reactions with silylacetylenic compounds. Formation of chiral propargylic alcohols (1983) (60)
The fluorine atom as a cation-stabilizing auxiliary in biomimetic polyene cyclizations. IV: Total synthesis of dl-β-amyrin (1993) (59)
Cation-stabilizing auxiliaries: a new concept in biomimetic polyene cyclization (1987) (59)
Cyclization Studies in the Quinoline Series. A New Synthesis of 4-Aminoquinolines (1949) (55)
A stereospecific total synthesis of estrone via a cationic olefinic cyclization. (1973) (54)
Reduction of Steroidal Enamines (1963) (53)
The First Examples of Nonenzymic, Biomimetic Polyene Pentacyclizations. Total Synthesis of the Pentacyclic Triterpenoid Sophoradiol (1994) (52)
A new synthesis of fused ring structure related to the steroids; the 17-equilenones; a total synthesis of equilenin. (1947) (51)
Asymmetric synthesis via acetal templates. 12. Highly diastereoselective coupling reactions with a ketene acetal. An efficient, asymmetric synthesis of R-(+)-α-lipoic acid☆ (1985) (51)
Ring-A α-Acetoxy Ketones in the Cholestane Series (1961) (50)
Biomimetic polyene cyclizations. Asymmetric induction in the cyclization of a dienic acetal (1976) (49)
A highly stereoselective synthesis of the racemic juvenile hormone (1968) (48)
Inhibition of 2,3-oxidosqualene cyclases. (1992) (48)
Asymmetric synthesis via acetal templates. 5. Reactions with cyanotrimethylsilane. Enantioselective preparation of cyanohydrins and derivatives (1983) (46)
Nonenzymic biogenetic-like olefinic cyclizations. Stereospecific cyclization of dienic acetals (1973) (45)
Rate enhancement of biomimetic polyene cyclizations by a cation-stabilizing auxiliary (1987) (44)
Asymmetric induction of an olefinic acetal cyclization (1968) (44)
The Total Synthesis of Estrone and Three Stereoisomers Including Lumiestrone (1952) (44)
Asymmetric total synthesis of 11.alpha.-hydroxyprogesterone via a biomimetic polyene cyclization (1977) (43)
Asymmetric synthesis via acetal templates. 15. The preparation of enantiomerically pure mevinolin analogs (1988) (43)
Asymmetric synthesis via acetal templates. 13. Preparation of aldol compounds from butane-1,3-diol acetals (1987) (41)
A new approach to steroid total synthesis. A nonenzymic biogenetic-like olefinic cyclization involving the stereospecific formation of five asymmetric centers (1968) (40)
The Nature of the Intermediary Ketols in the Robinson Annelation Reaction1 (1960) (40)
The synthesis of the optically active form of the C-18 Cecropia juvenile hormone. (1971) (39)
Acetylenic bond participation in biomimetic polyene cyclizations. Model studies directed toward the synthesis of 20-keto steroids. Synthesis of dl-progesterone and dl-.DELTA.4-androstene-3,17-dione (1978) (39)
Introduction of the Angular Methyl Group. III. The Alkoxymethylene Blocking Group1 (1947) (39)
Cyclization Studies in the Benzoquinoline Series (1944) (39)
Asymmetric synthesis via acetal templates. 6. A stereoselective approach to a key intermediate for the preparation of vitamin D metabolites (1984) (39)
Further developments in the nonenzymic biogenetic-like steroid synthesis. (1970) (38)
Olefinic ketal Claisen reaction. Facile route to juvenile hormone (1970) (38)
Propargylsilane function as a terminator of biomimetic polyene cyclizations leading to steroids (1980) (37)
Asymmetric synthesis via acetal templates. 9. Further studies of the allylation reaction. Preparation of (−)-dihydromyoporone (1984) (37)
Studies Relating to the Formation and Reactions of Glycidic Esters (1953) (37)
Cation-stabilizing auxiliaries in polyene cyclizations. 5. The fluorine atom as a cation-stabilizing auxiliary in biomimetic polyene cyclizations. 2. Asymmetric synthesis of a steroid (1993) (37)
Steroid Total Synthesis—Hydrochrysene Approach. VII.1 Metal-in-Ammonia Reduction of the Aromatic Nucleus. dl-Epiandrosterone and the Lumi Epimer (1956) (36)
14-Isoestrone Methyl Ether and its Identity with Totally Synthetic Material (1957) (35)
Acetylenic bond participation in biogenetic-like olefinic cyclizations. I. Formation of five-membered rings in model systems (1971) (34)
A HIGHLY STEREOSELECTIVE ROUTE TO CALCITRIOL LACTONE (1985) (34)
The Synthesis of Ketones from Di-t-butyl Malonates (1952) (34)
Cationic Cyclizations Involving Olefinic Bonds. II.1 Solvolysis of 5-Hexenyl and trans-5,9-Decadienyl p-Nitrobenzenesulfonates (1964) (34)
Selective recognition of the m5CpG dinucleotide sequence in DNA by mitomycin C for alkylation and cross-linking. (1995) (33)
Asymmetric synthesis via chiral acetal templates. 8. Reactions with organometallic reagents (1985) (33)
Cyanide poisoning successfully treated without 'therapeutic methemoglobin levels'. (1989) (33)
The Action of Lead Tetraacetate on an Enol Acetate. The Epimeric 16-Acetoxy Derivatives of Epiandrosterone Acetate, their Interconversion and Rearrangement (1957) (33)
Derivatives of 5-Methoxyhydrindene and 6-Methoxytetralin. Synthesis of β-(2-Carboxy-5-methoxyphenyl)-propionic Acid1 (1944) (33)
Improved asymmetric total synthesis of corticoids via biomimetic polyene cyclization methodology (1981) (33)
1,2-Dihydroquinoline (1952) (33)
Cation-stabilizing auxiliaries in polyene cyclizations. 6. The fluorine atom as a cation-stabilizing auxiliary in biomimetic polyene cyclizations. 3. Use to effect regiospecific control (1993) (33)
Configuration of the Estrones. Total Synthesis of the Remaining Stereoisomers (1958) (33)
Cation-stabilizing auxiliaries in polyene cyclizations. 4. The fluorine atom as a cation-stabilizing auxiliary in biomimetic polyene cyclizations. 1. Background and exploratory experiments (1993) (32)
Novel synthesis of longifolene (1975) (32)
Asymmetric Synthesis via Acetal Templates. 14.1 Preparation of Enantiomerically Pure (3S,4S)- and (3S,4R)-Statine Derivatives (1987) (32)
Ring Closure of the 2-Benzoylaminocyclohexanols. The Mechanism of Oxazoline Formation (1950) (32)
Stereospecific tricyclization of a polyolefinic acetal. (1966) (30)
The Acid-catalyzed Reaction of Diazomethane with Some α,β-Unsaturated Ketones (1962) (30)
The configuration of cevine (1959) (30)
Introduction of the Angular Methyl Group. The Preparation of cis- and trans-9-Methyldecalone-11 (1943) (29)
Synthesis of veratramine (1967) (28)
Energy Relationships of Fused Ring Systems (1953) (28)
Steroid Total Synthesis--Hydrochrysene Approach. XV.1 Total Synthesis of Aldosterone (1963) (28)
Stereochemical Control of the Angular Methylation of Fused Ring Ketones (1962) (27)
Steroid Total Synthesis—Hydrochrysene Approach. X.1 Total Synthesis of Testosterone (1956) (27)
Olefinic Cyclizations. VIII.1 The Butenylmethylcyclohexenol System (1965) (27)
Further Studies on the Energy Difference between the Chair and Twist Forms of Cyclohexane (1963) (27)
Total Synthesis of Racemic Conessine (1962) (27)
The Fluorine Atom as a Cation-Stabilizing Auxiliary in Biomimetic Polyene Cyclizations: Total Synthesis of dl-Dammarenediol1 (1999) (26)
Cyclization Studies in the Benzoquinoline and Naphthoquinoline Series. II (1947) (26)
Nonenzymic, biogenetic-like cyclization of a tetraenic acetal to produce the D-homosteroid nucleus (1974) (26)
Epoxide-initiated cationic polyene cyclisations (1993) (26)
Vinyl fluoride function as a terminator of biomimetic polyene cyclizations leading to steroids (1980) (26)
Δ2,6-Hexalin-1,5-dione (1963) (24)
Cationic Cyclizations Involving Olefinic Bonds. IV.1 The Butenylcyclohexenol System (1964) (24)
4-(p-Hydroxyphenyl)-cyclohexanecarboxylic Acid and Derivatives (1946) (24)
Decalin-1,5-dione (1951) (23)
The Acid-Catalyzed Decarboxylation of Cinnamic Acids (1949) (23)
Extension of the Modified Stobbe Condensation. Acid-Catalyzed Decomposition of the Products and a Lacto—Enoic Tautomerism1 (1947) (23)
Direct formation of the steroid nucleus by a nonenzymic biogenetic-like cyclization. Preparation of the cyclization substrate. (1973) (23)
Termination of biomimetic cyclizations by the allylsilane function. Formation of the steroid nucleus in one step from an acyclic polyenic chain (1983) (23)
Olefinic cyclizations. XI. Allylic cation promoted olefinic cyclizations. The stereospecific formation of a tricyclic system and the total synthesis of dl-fichtelite (1968) (23)
Direct formation of the steroid nucleus by a biomimetic cyclization (1980) (23)
Neutrophil pyruvate kinase deficiency with recurrent staphylococcal infections: first reported case. (1976) (22)
Ranitidine and bradycardia. (1988) (22)
Letter: A stereospecific total synthesis of racemic 11alpha-hydroxyprogesterone via a biomimetic polyene cyclization. (1976) (22)
45. A stereoselective total synthesis of œstrone, and related studies (1962) (21)
Steroid Total Synthesis—Hydrochrysene Approach. V.1 Introduction of Oxygen at the 11-Position (1956) (21)
THE ENERGY DIFFERENCE BETWEEN THE BOAT AND CHAIR FORMS OF CYCLOHEXANE (1960) (21)
Olefinic Cyclizations. VII. Formolysis of cis- and trans-5,9-Decadienyl p-Nitrobenzenesulfonate and of Some Isomeric Monocyclic Esters*,1,2 (1965) (21)
The Stobbe Condensation with 2-Acetylnaphthalene. A Synthesis of 2,4-Dimethylphenanthrene (1945) (20)
New Structural and Stereochemical Aspects of the Cyclization of Olefinic Acetals (1967) (20)
A Total Synthesis of Estrone and 14-Isoestrone (1957) (20)
BIOMIMETIC POLYENE CYCLIZATIONS. PARTICIPATION OF THE (TRIMETHYLSILYL)ACETYLENIC GROUP AND THE TOTAL SYNTHESIS OF THE D-HOMOSTEROID SYSTEM (1980) (20)
Morbidity and mortality in pseudopolycythaemia. (1975) (20)
Comprehensive organic chemistry volume 5 (Biological compounds): Edited by E. Haslam (1979) (20)
Formation of vinyl halides from vinyl cations generated by acetylenic participation in biomimetic polyene cyclizations (1981) (19)
Revision of the configuration of veratramine and jervine (1967) (19)
The nonenzymic, biogenetic-like cyclization of a tetraenic acetal (1968) (19)
The Hydroborating Properties of Sodium Borohydride and Acetic Acid (1963) (19)
The Stobbe Condensation with Sodium Hydride1 (1948) (19)
Ring E degradation in the veratramine series (1964) (18)
Nonenzymic biogenetic-like cyclizations. Synthesis and cyclization of 4-(trans, trans-7,12-dimethyl-3,7-11-tridecatrienyl)-3-methyl-2-cyclohexen-1-ol and of its allylic isomer (1974) (18)
Biomimetic polyene cyclizations. Cationic cyclization of a substrate having an internal acetylenic bond. Synthesis of euphol and tirucallol (1990) (18)
Chiral Acetal-Initiated Asymmetric Pentacyclization. Enantioselective Synthesis of 18.alpha.(H)-Oleananes (1994) (18)
The Mechanism of the Stobbe Condensation (1950) (17)
A new method of producing fused ring structures related to the steroids; a synthesis of equilenin. (1945) (17)
BIOMIMETIC POLYENE CYCLIZATIONS. PARTICIPATION OF THE PHENYLACETYLENIC GROUP AS A TERMINATOR AND THE FORMATION OF C/D CIS STEROIDAL PRODUCTS (1979) (17)
2-Methyl-2-cyclohexenone (1953) (17)
Syntheses in the 1,2-Benzanthracene and Chrysene Series (1939) (17)
A New Synthesis of Chloroquine (1952) (17)
Concerning the mechanism of a nonenzymic biogenetic-like olefinic cyclization. (1973) (17)
Cation-stabilizing auxiliaries in polyene cyclization. 3. Chiral acetal induced asymmetric polyene tetracyclization assisted by a cation-stabilizing auxiliary (1989) (16)
The Stobbe Condensation with Tetralone-1. A Synthesis of 3'-Keto-3,4-dihydro-1,2-cyclopentenonaphthalene1 (1945) (16)
Steroid Total Synthesis—Hydrochrysene Approach. III.1 Reduction of the Olefinic Bonds and of the Carbonyl Group in 1-Methoxy-8-keto-10a-methyl-5,6,8,9,10,10a,11,12-octahydrochrysene (1956) (16)
Steroid Total Synthesis—Hydrochrysene Approach. IV.1 1-Methoxy-6a-hydroxy-8-keto-10a-methyl-5,6,6a,7,8,9,10,10a,11,12- decahydrochrysene and Reduction Products (1956) (16)
TOTAL SYNTHESIS OF EPIANDROSTERONE (1953) (16)
The Stobbe Condensation with Cyclohexanone (1948) (16)
Letter: Biomimetic polyene cyclizations. Asymmetric induction by a chiral center remote from the initiating cationic center. 11alpha-methylprogesterone. (1976) (16)
Olefinic cyclizations. IX. Further observations on the butenylcyclohexenol system (1967) (16)
TOTAL SYNTHESIS OF ALDOSTERONE (1958) (16)
Steroid Total Synthesis—Hydrochrysene Approach. VIII.1 dl-3β,11β-Dihydroxyandrostane-17-one (1956) (16)
Intramolecular Acylation. II.1 The Inverse Friedel--Crafts Method (1949) (15)
Total synthesis of dl-spironolactone and dl-19-norspironolactone by biomimetic polyene cyclization methodology (1982) (15)
Some Observations on Friedel-Crafts Reactions Involving Unsaturated Ketones. 9-Keto-4b,5,6,7,8,8a,9,10-octahydrophenanthrene (1946) (15)
THE TOTAL SYNTHESIS OF ESTRONE AND THE REMAINING STEREOISOMERS (1950) (15)
Application of the chloro ketal Claisen reaction to the total synthesis of squalene. (1970) (15)
A Record of Cleaning Symbiosis Involving Gobiosoma sp. and a Large Caribbean Octopus (1982) (15)
An efficient, stereospecific polyolefinic cyclization. Total synthesis of dl-fichtelite. (1966) (14)
Nonenzymic biogenetic-like olefinic cyclizations. Cyclization of 1-methyl-6-(trans, trans-7,11-dimethyl-3,7,11-dodecatrienyl)-2-cyclohexen-1-ol (1974) (14)
Acetylenic bond participation in biogenetic-like olefinic cyclizations. Wagner-Meerwein rearrangement of a linear to a bent vinyl cation (1972) (14)
1,3-Diaxial Hydrogen Bonding and the Intramolecular Assistance of Solvolysis (1960) (14)
PARTICIPATION OF THE STYRENE GROUP AS A TERMINATOR OF BIOMIMETIC POLYENE CYCLIZATIONS. FORMATION OF THE TRANS-8-METHYLHYDRINDAN RING SYSTEM (1976) (14)
An approach to taxodione involving biomimetic polyene cyclization methodology (1982) (13)
Reactions Involving Ester-Exchange (1945) (13)
Nonenzymic biogenetic-like olefinic cyclizations. Cyclization of 4-(trans-3,7-octadienyl)-3-methyl-2-cyclohexen-1-ol and 4-(trans, trans-7-methyl-3,7,11-dodecatrienyl)-3-methyl-2-cyclohexen-1-ol (1974) (13)
Synthesis of 6-Hydroxy-3,4-benzpyrene and 8-Isopropyl-1,2-benzanthracene from 9,10-Dihydrophenanthrene (1940) (13)
Corticoid synthesis via vinylic fluoride-terminated biomimetic polyene cyclizations (1982) (13)
The Stobbe Condensation with 1-Keto-2-methyl-7-methoxy-1,2,3,4-tetrahydrophenanthrene. A New Synthesis of Equilenin1 (1950) (13)
The tetramethylallyl cation as a surrogate for the epoxide function as an initiator of biomimetic polyene pentacyclizations. Total synthesis of sophoradiol (1994) (13)
Total Synthesis of dl-18-Norestrone1 (1962) (13)
Direct formation of the steroid nucleus by a nonenzymic biogenetic-like cyclization. Cyclization and proof of structure and configuration of products. (1973) (13)
Synthetic Applications of the Abnormal Reimer-Tiemann Reaction (1959) (13)
Participation of the allylsilane group as a terminator of biomimetic polyene cyclizations to form steroid-like products (1979) (13)
STEREOSELECTIVE INDUCTION OF BIOMIMETIC POLYENE CYCLIZATIONS BY REMOTE CHIRAL CENTERS. EFFECT OF A PRO-C-7 SUBSTITUENT IN A SUBSTRATE LEADING TO STEROIDAL PRODUCTS (1982) (13)
Production of a Fused-Ring System by an Intramolecular Michael Condensation (1962) (12)
The Course of the Mannich Reaction with Isopropyl Methyl Ketone. Preparation of Isopropyl Vinyl Ketone (1962) (12)
An application of the trost reaction to the stereoselective synthesis of trans-tetrasubstituted fluoroalkenes (1992) (12)
Steroid Total Synthesis—Hydrochrysene Approach. VI.1 Catalytic Hydrogenation of the Aromatic Nucleus. Synthesis of dl-3β-Acetoxy-14-iso-etioallohomobilianic Acid (1956) (12)
Orientation isomers of the mitomycin C interstrand cross-link in non-self-complementary DNA. Differential effect of the two isomers on restriction endonuclease cleavage at a nearby site. (1993) (12)
Steroid Total Synthesis—Hydrochrysene Approach. II.1 1-Methoxy-8-keto-10a-methyl-5,6,8,9,10,10a,11,12-octahydrochrysene (1956) (11)
A fifty-year love affair with organic chemistry (1998) (11)
Some Observations on the Steroid Ring-D-Fission C-Aromatization Reaction (1966) (11)
Olefinic Cyclizations. VI. Formolysis of Some Branched-Chain Alkenyl p-Nitrobenzenesulfonates (1964) (11)
Steroid Total Synthesis—Hydrochrysene Approach. I. General Plan and Summary of Major Objectives (1956) (11)
The Cyclization of β-p-Methoxyphenylpropionic Acid (1945) (11)
Introduction of the Angular Methyl Group. II.1cis- and trans-8-Methylhydrindanone-12 (1944) (11)
Acetylenic bond participation in biogenetic-like olefinic cyclizations in nitroalkane solvents. A facile total synthesis of dl-testosterone benzoate. (1973) (11)
Total synthesis of the racemic form of the second juvenile hormone (methyl 12-homojuvenate) from the cecropia silk moth. (1969) (11)
The synthesis of conessine from the corresponding 3-keto-Δ4-unsaturated system (1961) (10)
A NEW TOTAL SYNTHESIS OF ESTRONE (1951) (10)
Tetrahydroacenaphthene and the Mills--Nixon Effect (1949) (10)
Biomimetic polyene cyclizations. Participation of the methylacetylenic terminator and nitroalkanes. A synthesis of testosterone (1980) (10)
The Dimer of 2-Methylenecyclohexanone (1953) (10)
2,2-Dimethoxypropane, a rapid dehydrating agent for scanning electron microscopy (1976) (10)
Biomimetic polyene cyclizations. Total synthesis of dl-19-nor-4-pregnen-20-one. Asymmetric induction by the initiating center (1980) (10)
Biomimetic polyene cyclizations. Trapping of the resultant carbocation by an internal nucleophile (1979) (9)
Acetylenic bond participation in biomimetic polyene cyclizations. Preliminary model studies (1978) (9)
Nonenzymic, biogenetic-like cyclization of a trienic acetal (1971) (9)
STEREOCHEMICAL CONTROL OF ANGULAR METHYLATION. A STEREOSELECTIVE TOTAL SYNTHESIS OF A 9,11-DEHYDROSTEROID (1957) (8)
The Stobbe Condensation with 1-Keto-1,2,3,4-tetrahydrophenanthrene. A Synthesis of 3'-Keto-3,4-dihydro-1,2-cyclopentenophenanthrene1 (1945) (8)
The carboalkoxyallylsilane terminator for biomimetic polyene cyclizations. A route to 21-hydroxyprogesterone types (1986) (8)
A three-step synthesis of fichtelite from abietic acid (1967) (8)
A biogenetically patterned concept for the laboratory synthesis of cyclic compounds (1960) (8)
Biomimetic polyene cyclizations. Participation of the trimethylsilylacetylenic group as a terminator and the total synthesis of a D-homosteroid☆ (1978) (8)
Entry into the podocarpane series through a biogenetic-like stereoselective olefin cyclization (1969) (8)
2,8-Dihydroxy-5,6,11,12-tetrahydrochrysene (1952) (8)
8-Methyl-1,2-benzanthracene (1939) (8)
Application of the chloro ketal claisen reaction to the total synthesis of squalene. Experimental details. (1970) (7)
BIOMIMETIC POLYENE CYCLIZATIONS. SYNTHESIS AND CYCLIZATION OF 1,3-DIMETHYL-2-(3-METHYL-TRANS-3,7-OCTADIENYL)CYCLOHEX-2-EN-1-OL (1977) (7)
Steroid Total Synthesis—Hydrochrysene Approach. XIV.1 The Synthesis of dl-18-Norepiandrosterone and dl-18-Nortestosterone2 (1962) (7)
The Stobbe Condensation with Ethyl γ-Anisoylbutyrate. A New Route to Some Estrone Intermediates (1950) (7)
Studies on Opening the Rings of Cyclic Ketones (1945) (7)
Recent studies on the synthesis of homocyclic systems (1963) (7)
Cationic Cyclizations Involving Olefnic Bonds. III.1 On the Mechanism of Formation of trans-Fused Rings (1964) (7)
The Stobbe Condensation with Methyl p-Tolyl Ketone. A Synthesis of Cadalene (1947) (7)
Acetylenic bond participation in biogenetic-like olefinic cyclizations in nitroalkane solvents. Synthesis of the 17-hydroxy-5 beta-pregnan-20-one system. (1973) (7)
The Stobbe Condensation with 6-Methoxy-2-propionylnaphthalene. A Synthesis of Bisdehydrodoisynolic Acid1 (1950) (7)
Synthesis of dendrolasin (1969) (7)
Studies in Decarboxylation and Lacto—Enoic Tautomerism. III.1 The Stobbe Condensation with p,p'-Dimethoxybenzophenone (1950) (6)
A short stereoselective synthesis of some terpenes from the pheromonal secretion of the queen and monarch butterflies (1972) (6)
Totally Synthetic Lumiestrone (1951) (6)
The Condensation of 1-Methyl-2-acetylcyclohexene with 1-Decalone, and with 1,5-Decalindione (1950) (6)
A Procedure for Acetate Pyrolysis. The Preparation of 2-Cyclohexenone (1962) (6)
Studies in Decarboxylation and Lacto—Enoic Tautomerism. IV.1Paraconic Acids2 (1950) (6)
A novel fragmentation reaction (1963) (6)
The proton magnetic resonance spectra of the lα-deuterio-2-acetoxycholestane-3-ones. A contribution to the mechanism of dehydrohalogenation of α-halo ketones (1962) (6)
The reaction of steroidal 4,6-dien-3-ones with cyanide (1963) (6)
ON THE CONFIGURATION OF CEVINE (1956) (6)
A new reaction of diazomethane with α,β-unsaturated ketones (1960) (5)
4-(p-Hydroxyphenyl)-hexahydroacetophenone and Homologs (1945) (5)
A Synthesis of 1-Keto-1,2,3,4,9,10-hexahydrophenanthrene (1946) (5)
The Condensation of 2-Acetylnaphthalene with Diethyl Succinate1 (1944) (5)
THE TETRAACETYL-β-GLUCOSIDE OF DESOXYCORTICOSTERONE (1941) (4)
The Unexpected Fate of an Attempted Steroid Synthesis (1962) (4)
DIRECT FORMATION OF THE STEROID NUCLEUS BY A NONENZYMIC BIOGENETIC-LIKE CYCLIZATION, CYCLIZATION AND POOF OF STRUCTURE AND CONFIGURATION OF PRODUCTS (1973) (4)
Structure of the Adduct of 3-Methyl-2-cyclohexenone and Ethyl Cyanoacetate. The Question of “Meta”- and “Para”-Bridged Rings (1953) (4)
Potential Steroid Substitutes. I. Introductory Remarks. The Synthesis of Some Dioxoperhydroanthracenes (1959) (4)
TOTAL SYNTHESIS OF TESTOSTERONE (1955) (4)
Structure and Hydrogenation of Key Intermediates in the Equilenin Synthesis1,2 (1951) (4)
Cation-Stabilizing Auxiliaries in Polyene Cyclizations. Part 7. The Fluorine Atom as a Cation-Stabilizing Auxiliary in Biomimetic Polyene Cyclizations. Part 4. Total Synthesis of dl-β-Amyrin. (1993) (4)
A general synthesis of vinylic fluorides (1985) (4)
Steroid Total Synthesis—Hydrochrysene Approach. IX.1 Preparation of Comparison Substances by Partial Synthesis (1956) (4)
INTRODUCTION OF THE ANGULAR METHYL GROUP (1945) (4)
Asymmetric total synthesis of 11alpha-hydroxyprogesterone via a briomimetic polyene cyclization. (1977) (4)
The relative stability of stereoisomeric forms of fused ring systems (1951) (4)
Steroid total synthesis—hydrochrysene approach—XVI (1966) (4)
The biomimetic cyclization of I,3-dimethyl-2-(trans-trans-7,II-dimethyl-3,7,II-dodecatrienyl)-2-cyclohexenol to give the d-homosteroid nucleus (I) (1975) (3)
The Stobbe Condensation (2011) (3)
8-alpha, 9-beta-estrone methyl ether, the elusive boat C-ring isomer. (1968) (3)
Cationic Cyclizations Involving Olefinic Bonds. V.1 Solvolysis of cis-5,9-Decadienyl p-Nitrobenzenesulfonate (1964) (3)
Nonenzymic biogenetic-like olefinic cyclizations. (1967) (3)
TOTAL SYNTHESIS OF AN 11-OXYGENATED STEROID (1954) (3)
ACETYLENIC BOND PARTICIPATION IN BIOGENETIC-LIKE OLEFINIC CYCLIZATIONS IN NITROALKANE SOLVENTS, SYNTHESIS OF THE 17-HYDROXY-5BETA-PREGNAN-20-ONE SYSTEM (1973) (3)
Biomimetic polyene cyclizations. The synthesis and cyclization of 2-(4-pentenyl)-2-cyclohexenol (1977) (3)
The Fluorine Atom as a Cation‐Stabilizing Auxiliary in Biomimetic Polyene Cyclizations: Total Synthesis of dl‐Dammarenediol. (2000) (3)
Steroid total synthesis--benzhydrindane approach preliminary survey (1961) (3)
18, 19-BIS-NOR-D-HOMOTESTOSTERONE (1954) (3)
A novel ring contraction leading to the veratramine nucleus (1963) (3)
On the C-9 configuration of veratramine and jervine (1963) (3)
d1-18-Nortestosterone (1960) (3)
Numerical corrections for Hall effect measurements in silicon containing Gaussian dopant distributions (1970) (3)
The Stobbe Condensation with 1-Keto-2-methyl-1,2,3,4-tetrahydrophenanthrene. A New Approach to β-17-Equilenone (1949) (3)
Cation‐Stabilizing Auxiliaries in Polyene Cyclizations. Part 6. Fluorine Atom as a Cation‐Stabilizing Auxiliary in Biomimetic Polyene Cyclizations. Part 3. Use to Effect Regiospecific Control. (1993) (2)
BIS-DEHYDRODOISYNOLIC ACID (1948) (2)
Di‐tert‐butyl Malonate (2003) (2)
18-NOR-D-HOMOANDROSTANE-3,17a-DIONE (1953) (2)
AN EXPERIMENTAL METHOD FOR DETERMINING A-VALUES: THE METHYL GROUP. (1965) (2)
An alternative synthesis of 17-acetyl- 5α-etiojerva-12,14,16- trien-3β-ol (1968) (2)
A New Synthesis of the 6-Methoxy-17-equilenones and Some Stereochemical Considerations (1951) (2)
β‐Carbethoxy‐γ,γ‐Diphenylvinylacetic Acid (2003) (2)
The Formation of Cyclic Ketones by Intramolecular Acylation (2011) (2)
2‐Chloro‐2‐Methylcyclohexanone and 2‐Methyl‐2‐Cyclohexenone (2003) (2)
ASYMMETRIC TOTAL SYNTHESIS OF 11α-HYDROXYPROGESTERONE VIA A BIOMIMETIC POLYENE CYCLIZATION (1978) (1)
STUDY OF NONENZYMIC BIOGENETIC LIKE OLEFINIC CYCLIZATION, CYCLIZATION OF 4-(TRANS-3,7-OCTADIENYL)-3-METHYL-2-CYCLOHEXEN-1-OL AND 4-(TRANS,TRANS-7-METHYL-3,7,11-DODECATRIENYL)-3-METHYL-2-CYCLOHEXEN-1-OL (1974) (1)
Comprehensive organic chemistry the synthesis and reactions of organic compounds: Volume 5 (Biological compounds; edited by E. Haslam, Sheffield) (1979) (1)
Chiral Acetal-Initiated Asymmetric Pentacyclization. Enantioselective Synthesis of 18α(H)-Oleananes. (1995) (1)
BIOMIMETIC POLYENE CYCLIZATIONS. ASYMMETRIC INDUCTION BY A CHIRAL CENTER REMOTE FROM THE INITIATING CATIONIC CENTER. 11α-METHYLPROGESTERONE (1976) (1)
A STEREOSPECIFIC TOTAL SYNTHESIS OF RACEMIC 11α-HYDROXYPROGESTERONE VIA A BIOMIMETIC POLYENE CYCLIZATION (1976) (1)
ASYMMETRIC SYNTHESIS VIA ACETAL TEMPLATES. 12. HIGHLY DIASTEREOSELECTIVE COUPLING REACTIONS WITH A KETENE ACETAL. AN EFFICIENT, ASYMMETRIC SYNTHESIS OF R-(+)-α-LIPOIC ACID (1985) (1)
Cation-Stabilizing Auxiliaries: A New Concept in Biomimetic Polyene Cyclization. (1987) (1)
BIOMIMETIC POLYENE CYCLIZATIONS. SYNTHESIS OF RACEMIC 19-NORPROGESTERONE (1979) (1)
Total synthesis of dl-19-nor-16,17-dehydroprogesterone. (1969) (1)
Cation-Stabilizing Auxiliaries in Polyene Cyclizations. Part 4. Fluorine Atom as a Cation-Stabilizing Auxiliary in Biomimetic Polyene Cyclizations. Part 1. Background and Exploratory Experiments. (1993) (0)
First Examples of Nonenzymic, Biomimetic Polyene Pentacylizations. Total Synthesis of the Pentacyclic Triterpenoid Sophoradiol. (1994) (0)
ASYMMETRIC SYNTHESIS VIA ACETAL TEMPLATES. 9. FURTHER STUDIES OF THE ALLYLATION REACTION. PREPARATION OF (-)-DIHYDROMYOPORONE (1985) (0)
The Carboalkoxyallylsilane Terminator for Biomimetic Polyene Cyclizations. A Route to 21-Hydroxyprogesterone Types. (1987) (0)
ACETYLENIC BOND PARTICIPATION IN BIOGENETIC-LIKE OLEFINIC CYCLIZATIONS IN NITROALKANE SOLVENTS, A FACILE TOTAL SYNTHESIS OF DL-TESTOSTERONE BENZOATE (1973) (0)
STUDY OF NOENZYMIC BIOGENETIC LIKE OLEFINIC CYCLIZATION, THE SYNTHESIS AND CYCLIZATION OF 4-(TRANS,TRANS-7,12-DIMETHYL-3,7,11-TRIDECATRIENYL)-3-METHYL-2-CYCLOHEXEN-1-OL AND ITS ALLYLIC ISOMER (1974) (0)
DIRECT FORMATION OF THE STEROID NUCLEUS BY A NONENZYMIC BIOGENETIC-LIKE CYCLIZATION, PREPARATION OF THE CYCLIZATION SUBSTRATE (1973) (0)
A NOVEL SYNTHESIS OF LINGIFOLENE (1975) (0)
Epoxide‐Initiated Cationic Polyene Cyclizations. (1994) (0)
Ethyl β,β‐Pentamethyleneglycidate (2003) (0)
Ionization, electricity. A. Proof that ions exist (1966) (0)
Chiral Acetal-Induced Asymmetric Polyene Tetracyclization Assisted by a Cation-Stabilizing Auxiliary. (1990) (0)
Recent Develnpments in Biomimetic Polyene Cyclizations (36 Literaturangaben). (1982) (0)
STUDY OF NONENZYMIC, BIOGENETIC LIKE OLEFINIC CYCLIZATION, CYCLIZATION OF 1-METHYL-6-(TRANS,TRANS-7,11-DIMETHYL-3,7,11-DODECATRIENYL)-2-CYCLOHEXEN-1-OL (1974) (0)
ASYMMETRIC SYNTHESIS VIA ACETAL TEMPLATES. 3. ON THE STEREOCHEMISTRY OBSERVED D IN THE CYCLIZATION OF CHIRAL ACETALS OF POLYOLEFINIC ALDEHYDES; FORMATION OF OPTICALLY ACTIVE HOMOALLYLIC ALCOHOLS (1983) (0)
Asymmetric Synthesis via Acetal Templates. Part 13. Preparation of Aldol Compounds from Butane-1,3-diol Acetals. (1987) (0)
BIOMIMETIC POLYENE CYCLIZATIONS. PARTICIPATION OF THE TRIMETHYLSILYLACETYLENIC GROUP AS A TERMINATOR AND THE TOTAL SYNTHESIS OF A D-HOMOSTEROID (1978) (0)
An Application of the Trost Reaction to the Stereoselective Synthesis of trans-Tetrasubstituted Fluoroalkenes. (1993) (0)
Ethyl Orthocarbonate [Orthocarbonic acid, tetrahethyl ester] (1952) (0)
459. Unsaturated lactones and related substances. Part II. The synthesis of aldehydo-acids by the Rosenmund reaction (1950) (0)
Asymmetric Synthesis via Acetal Templates. Part 15. The Preparation of Enantiomerically Pure Mevinolin Analogues. (1989) (0)
Additions and Corrections - New Structural and Stereochemical Aspects of the Cyclization of Olefinic Acetals (1967) (0)
BIOMIMETIC CYCLIZATIONS OF POLYENES (1976) (0)
AN EXPERIMENTAL METHOD FOR DETERMINING A-VALUES: THE METHYL GRROUP* (0)
Electricity and matter (1927) (0)
ASYMMETRIC SYNTHESIS VIA ACETAL TEMPLATES. 6. A STEREOSELECTIVE APPROACH TO A A KEY INTERMEDIATE FOR THE PREPARATION OF VITAMIN D METABOLITES (1984) (0)
Cation-Stabilizing Auxiliaries in Polyene Cyclizations. Part 5. Fluorine Atom as a Cation-Stabilizing Auxiliary in Biomimetic Polyene Cyclizations. Part 2. Asymmetric Synthesis of a Steroid. (1993) (0)
Additions and Corrections. Syntheses in the 1,2-Benzathracene and Chrysene Series. (1939) (0)
Cyclization of N-β-Cyanoethylanilines (1953) (0)
Asymmetric Synthesis via Acetal Templates. Part 10. Aldol-Type Reactions. Preparation of a Nonactic Acid Intermediate. (1985) (0)
Additions and Corrections-The Acid-Catalyzed Decarboxylation of Cinnamic Acids (1949) (0)
Improvement of the Synthesis of Bisdehydrodoisynolic Acid1 (1950) (0)
Biological compounds: Volume 5; edited by E. Haslam, Sheffield (1978) (0)
Biomimetic polyene cyclizations. Synthesis of racemic 19‐norprogesterone (2010) (0)
The synthesis and reactions of organic compounds: Chairman of the Editorial Board: Sir Derek Barton, FRS Deputy Chairman: W. David Ollis, FRS Volume 1 (Stereochemistry, Hydrocarbons, Halo Compounds, Oxygen Compounds; edited by J. F. Stoddart, Sheffield) (1979) (0)
Rate Enhancement of Biomimetic Polyene Cyclizations by a Cation-Stabilizing Auxiliary. (1988) (0)
Cholestanyl Methyl Ether (2003) (0)
A STEREOSPEZIFIC TOTAL SYNTHESIS OF ESTRONE VIA A CATIONIC OLEFINIC CYCLIZATION (1974) (0)
Asymmetric Synthesis via Acetal Templates. Part 14. Preparation of Enantiomerically Pure (3S,4S)‐ and (3S,4R)‐Statine Derivatives. (1988) (0)

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What Schools Are Affiliated With William Summer Johnson?

William Summer Johnson is affiliated with the following schools:

Stanford University