Keiichiro Fukumoto

Keiichiro Fukumoto's AcademicInfluence.com Rankings

Keiichiro Fukumoto

Chemistry

#2943

World Rank

#3919

Historical Rank

Organic Chemistry

#454

World Rank

#530

Historical Rank

chemistry Degrees

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Chemistry

Keiichiro Fukumoto's Degrees

PhD Chemistry University of Tokyo
Masters Chemistry University of Tokyo
Bachelors Chemistry University of Tokyo

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Keiichiro Fukumoto's Published Works

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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Synthesis of Carbapenem Antibiotics (1982) (121)
Syntheses of Polycyclic Natural Products Employing the Intramolecular Double Michael Reaction (1993) (93)
Total Synthesis of (±)-Methyl Atis-16-en-19-oate via Homoallyl−Homoallyl Radical Rearrangement (1998) (86)
Asymmetric total synthesis of atisine via intramolecular double Michael reaction (1990) (71)
Iminoketene cycloaddition. 1. A facile synthesis of quinazolone system by condensation of iminoketene with imines - a total synthesis of evodiamine and rutecarpine by retro mass-spectral synthesis (1976) (71)
A concise and enantioselective approach to cyclobutanones by tandem asymmetric epoxidation and enantiospecific ring expansion of cyclopropylidene alcohols. An enantiocontrolled synthesis of (+)-and (-)-α-cuparenones (1992) (68)
A remarkable substituent effect on the enantioselectivity of tandem asymmetric epoxidation and enantiospecific ring expansion of cyclopropylidene alcohols: a new enantiocontrolled synthesis of (-)-debromoaplysin and (-)-aplysin (1994) (63)
Stereoselective total synthesis of (.+-.)-atisine via intramolecular double Michael reaction (1988) (61)
Stereocontrolled construction of a spiro fused bicyclo[2.2.2]octane ring system by the intramolecular double Michael reaction (1984) (59)
Asymmetric total synthesis of estradiol by an intramolecular cycloaddition of benzocyclobutene derivative (1978) (54)
Letter: A formal regio- and stereoselective total synthesis of estrone. A convenient synthesis of D-homoestrone. (1976) (52)
Recent progress in the chemistry of non-monoterpenoid indole alkaloids (2010) (51)
Studies on the syntheses of heterocyclic compounds—DXLVII (1974) (50)
Second generation of steroid synthesis via o-quinodimethane (1998) (48)
Allenylcyclobutanol, a Versatile Initiator for the Palladium-Catalyzed Cascade Reaction: A Novel Route to Bicyclo[5.3.0] and -[6.3.0] Frameworks (1997) (47)
Synthesis of Six-Membered Compounds by Environmentally Friendly Cyclization Using Indirect Electrolysis. (1996) (47)
A Novel Palladium-Mediated Cascade Reaction Triggered by Strain Release of the Cyclobutane System. A New General Route to Benzo- and Naphthohydrindans (1997) (46)
Enantioselective construction of a quaternary asymmetric carbon center: a versatile synthesis of .alpha.-alkyl .alpha.-amino acids (1989) (46)
Preparation of olefins and acetylenes via reductive elimination with SmI2-HMPA (1995) (44)
Total synthesis of natural products by retro mass spectral synthesis (1976) (43)
Studies on the syntheses of heterocyclic compounds. DCXLI. A convenient synthesis of hexadehydroyohimbine and a total synthesis of yohimbine. (1975) (40)
Total syntheses of (±)-physovenine and (±)-physostigmine. An application of tandem electrocyclic-[3,3]sigmatropic reaction of benzocyclobutenes (1986) (39)
Tandem electrocyclic-sigmatropic reaction of benzocyclobutenes. An expedient route to 4,4-disubstituted isochromanones (1985) (39)
Application of Phenolic Oxidation to the Total Syntheses of the Isoquinoline and Related Alkaloids; Biogenetic Type Synthesis (1972) (38)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. 675. A FACILE REGIOSPECIFIC AND STEREOCONTROLLED SYNTHESIS OF A DITERPENE ALKALOID INTERMEDIATE FROM BENZOCYCLOBUTENES (1976) (37)
Synthesis of polycyclic cyclobutane derivatives by tandem intramolecular Michael-aldol reaction under two complementary conditions: TBDMSOTf-Et3N and TMSI-(TMS)2NH (1993) (36)
A Highly Enantiocontrolled Strategy for the Synthesis of Benzylic Quaternary Carbon Centers. A Formal Total Synthesis of (-)-Mesembrine (1995) (36)
Photochemical synthesis of isoquinoline alkaloids (1972) (36)
A novel strategy for the stereoselective total synthesis of C-17 spiro steroids. Total synthesis of 19-norcanrenone - a formal total synthesis of 19-norspironolactone (1988) (35)
Synthesis of .beta.-lactam antibiotics by the sulfeno-cycloamination (1983) (34)
Conformational analysis of the dibenzo[a,g]quinolizidines by spectroscopic methods (1975) (34)
Novel synthesis of the pyrrolizidine skeleton by sulfenocycloamination. Total synthesis of (.+-.)-retronecine and (.+-.)-turneforcidine (1983) (33)
A novel approach to the stereocontrolled synthesis of steroid side chains including the CD-ring system: the first total synthesis of (+)-8.alpha.-(phenylsulfonyl)-des-AB-cholestane and its efficient conversion into Grundmann's ketone and vitamin D3 (1986) (32)
A novel and efficient route to chiral A-ring aromatic trichothecanes—The first enantiocontrolled total synthesis of (-)-debromofiliformin and (-)-filiformin (1995) (31)
IMINOKETENE CYCLOADDITION. 2. TOTAL SYNTHESES OF ARBORINE, GLYCOSMININE, AND RUTECARPINE BY CONDENSATION OF IMINOKETENE WITH AMIDES (1977) (31)
First enantioselective total synthesis of (+)-cortisone (1990) (31)
Asymmetric total synthesis of tacamonine (pseudovincamone I) via radical cyclization (1994) (31)
A novel o-quinodimethane strategy for an active metabolite of vitamin D3. A total synthesis of 25-hydroxy windaus-grundmann ketone (1990) (30)
A novel strategy for the enantioselective synthesis of the steroidal framework using cascade ring expansion reactions of small ring systems-asymmetric total synthesis of (+)-equilenin (1999) (29)
Stereoselective Transformation of Enantiopure Cyclohexenol into cis-Hydrindan. An Enantioselective Formal Total Synthetic Route to (+)-Pumiliotoxin C (1996) (29)
An enantioselective total synthesis of (+)-atisirene by intramolecular double Michael reaction (1986) (28)
Novel construction of polycyclic systems fused to cyclobutane by tandem intramolecular Michael-Aldol reaction (1992) (28)
A novel synthetic approach to steroids via intramolecular 1,3-dipolar cycloaddition. A highly stereocontrolled synthesis of testosterone (1990) (28)
Studies on the syntheses of heterocyclic compounds. Part CCCXV. Modified total synthesis of (±)-galanthamine through phenol oxidation (1969) (27)
Total Synthesis of (±)-Hirsutene via Pd2+-Promoted Cycloalkenylation Reaction (1993) (27)
Asymmetric total syntheses of (−)-tylophorine via the highly enantioselective intramolecular double michael reaction (1988) (27)
Asymmetric total synthesis of(–)-protoemetinol,(–)-protoemetine,(–)-emetine, and (–)-tubulosine by highly stereocontrolled radical cyclisations (1990) (27)
A Rapid Access to Both Enantiomers of 1,2,3,4-Tetranor B-Trienic 18,18,18-Trifluorosteroids. The First Enantiocontrolled Total Synthesis of 18,18,18-Trifluorosteroids (1995) (26)
Biotransformation of 1-benzyl-1,2,3,4-tetrahydro-2-methylisoquinolines into tetrahydroprotoberberines with rat liver enzymes. (1976) (26)
Competitive reactions between sigmatropic reaction and cycloaddition affected by geometry of o-quinodimethanes (1977) (25)
A Novel Domino Route to Chiral Cyclobutanones and Its Function as Cornerstone in the Synthesis of Versatile Natural Products (1997) (25)
Stereocontrolled construction of octahydroquinolizines, octahydroindolizines, hexahydrobenzo[a]quinolizines, and an octahydroindolo[2,3-a]quinolizine by an intramolecular double Michael reaction: synthesis of (±)epilupinine (1987) (24)
Studies on the syntheses of heterocyclic compounds and natural products. 999. Double enamine annelation of 3,4-dihydro-1-methyl-.beta.-carboline and isoquinoline derivatives with 6-methyl-2-pyrone-3,5-dicarboxylates and its application for the synthesis of (.+-.)-camptothecin (1983) (23)
Chiral cyclobutanones as versatile synthons: the first enantioselective total synthesis of (+)-laurene (1993) (23)
An efficient and highly regioselective intramolecular Mannich-type reaction: A construction of the AEF ring system of aconitine-type diterpene alkaloids (1986) (23)
Asymmetric total synthesis of naturally occurring (R)-(–)-enantiomer of tylophorine via intramolecular double Michael reaction (1990) (23)
The alternative synthesis of isoquinoline nucleus using the thermal electrocyclic reaction of 1-azahexa-1,3,5-triene system (1989) (23)
Synthese polycyclischer Naturstoffe durch intramolekulare doppelte Michael‐Addition (1993) (23)
Studies on the syntheses of heterocyclic compounds. Part CDLXII. Total photolytic syntheses of aporphine [(±)-N-methyl-laurotetanine, (±)-cassythicine, and (±)-pukateine], proaporphine [(±)-orientalinone], and morphinandienone [(±)-pallidine and (±)-salutaridine] alkaloids (1972) (22)
The syntheses of homoproaporphines by phenolic oxidative coupling. II. Separation of two isomeric dienones of homoproaporphines. (1968) (22)
Phenolic cyclisation. Part I. Novel synthesis of 1-substituted isoquinoline and spiro[cycloalkane-1,1′-isoquinoline] derivatives and its application to the total synthesis of isoquinoline alkaloids (1968) (22)
Construction of indolizidine and quinolizidine ring systems by an intramolecular 1-aza-1,3-diene Diels-Alder reaction. Synthesis of (,9â)-epilupinine (1985) (22)
A versatile and stereocontrolled synthesis of quinolizidines and indolizidines using trialkylsilyl trifluoromethanesulphonate: total synthesis of (±)-tylophorine (1985) (22)
A novel synthesis of benzo- and indolo[a]quinolizidines by intramolecular diels-alder reaction of l-azadienes (1984) (22)
Studies on the syntheses of heterocyclic compounds. CCC. Syntheses of salutaridine, sinoacutine, and thebaine. Formal total syntheses of morphine and sinomenine. (1969) (21)
Syntheses of linear tetracyclic antibiotics—tetracyclines and anthracyclines (1981) (21)
The competition between electrocyclic reaction and [1,5]sigmatropic reaction in the thermolysis of 1,1-disubstituted benzocyclobutenes (1984) (21)
Novel Access to Neopentyl-Type Halogenated Cyclopentanoids via Olefinic Cyclobutanols (1996) (21)
Syntheses of heterocyclic compounds CCCXCVI. Alternative total synthesis of (+-)-galanthamine (1971) (21)
MODIFICATION OF THE JULIA ALKENATION USING SMI2-HMPA (1994) (19)
Synthesis of 2,3-dihydro-1H-pyrrolo[1,2-a]indoles by intramolecular nucleophilic aromatic substitution (1976) (19)
A novel and general route to diverse A-ring aromatic trichothecanes via cyclobutanes (1996) (19)
The first example of asymmetric dihydroxylation of cyclopropylidene derivatives—An enantioenriched formal total synthesis of (−)-filiformin (1995) (19)
Tandem Michael addition–[3,3]sigmatropic rearrangement processes. Part 2. Construction of cyclopropa[3,4]pyrrolo[3,2-e]indol-4-one (CPI) unit of antitumour antibiotic CC-1065 (1992) (19)
Palladium-Catalyzed Intramolecular Allylic Alkylation Reaction in Marine Natural Product Synthesis: Enantioselective Synthesis of (+)-Methyl Pederate, a Key Intermediate in Syntheses of Mycalamides. (1998) (19)
Synthesis of morphinandienone alkaloids by phenol oxidation and the pschorr reaction (1971) (19)
Stereoselective Formation of Three Carbon-Carbon Bonds by Cascade Reaction with Enolate Anion: Synthesis of Tricyclo[6.2.2.01,6]dodecane and Tricyclo[5.3.1.03,8]undecane Derivatives (1994) (19)
Intramolecular double michael reaction III Stereoselective chiral synthesis of atisiran-15-one (1985) (19)
Total synthesis of (+)-albicanol and (+)-albicanyl acetate via a highly diastereoselective intramolecular [3 + 2] cycloaddition (1990) (19)
Tandem electrocyclic-sigmatropic reaction of benzocyclobutenes. 21. A new route to isochroman-3-one-4-spiro-1′-cycloalk-3′-enes (1986) (18)
The syntheses of isoquinoline alkaloids and related compounds by biogenetic type reactions (1974) (18)
1,2-Asymmetric induction in intramolecular Michael reaction. A novel and enantioselective route to (+)-Geissman lactone (1987) (18)
Pd2+-Promoted cyclization in linear triquinane synthesis total synthesis of (±)-hirsutene (1993) (18)
A short and stereoselective synthesis of the carbapenem antibiotic PS-5 (1981) (18)
An asymmetric synthesis of benzylic quaternary carbon centers. A formal total synthesis of (−)-mesembrine (1994) (18)
Intramolecular double Michael reaction. Part II. Synthesis of isoatisirene type compound (1984) (18)
A highly stereoselective total synthesis of (±)-estrone and (±)-adrenosterone (1988) (18)
Enantioselective construction of quaternary stereogenic centres possessing a fluorine atom (1992) (18)
A concise enantiocontrolled total synthesis of (−)-α-bisabolol and (+)-4-epi-α-bisabolol (1993) (18)
A MILD OXIDATIVE TRANSFORMATION OF NITRO COMPOUNDS INTO KETONES BY TETRAPROPYLAMMONIUM PERRUTHENATE (1997) (18)
Studies on the syntheses of heterocyclic compounds—DXLV : Regiospecific cycloaddition of a benzocyclobutene derivative with Schiff bases by thermolysis—a new method for isoquinoline synthesis (1974) (17)
Ring Contraction of Cyclobutanes and a Novel Cascade Reaction: Application to Synthesis of (.+-.)-Anthoplalone and (.+-.)-Lepidozene (1994) (17)
821. Cularine and related compounds. Part VI. A total synthesis of (±)-cularine (1963) (17)
Synthetic approach to (+)-aldosterone and its relatives. 1. Synthesis of (+)-trans-4,5-(4-methoxybenzo)-1.beta.,7a.beta.-[2.alpha.-(methoxymethyl)-5-oxofuro]hydrindan (1985) (17)
An Enantiocontrolled Formal Total Synthesis of (+)-Ipomeamarone, (-)-Ngaione, and Their Epimers (1993) (17)
Stemodin synthesis (II) — highly diastereoselective formal total synthesis of − -stemodin via Pd2+-promoted cycloalkenylation reaction (1994) (16)
High diastereoselection in the intramolecular Diels–Alder reaction of o-quinodimethanes: an expedient entry to trans-benzoperhydrindans. A highly stereoselective total synthesis of (±)-estrone and (±)-adrenosterone (1989) (16)
Biotransformation of reticuline into coreximine, scoulerine, pallidine, and isoboldine with rat liver enzyme (1977) (16)
Studies on the syntheses of heterocyclic compounds. Part CCCLXXXVI. Alternative total syntheses of galanthamine and N-benzylgalanthamine iodide (1971) (16)
An expeditious and efficient formal synthesis of (±)-aphidicolin (1994) (16)
Synthetic approach to (-)-quassimarin based on intramolecular Diels-Alder strategy (1987) (16)
A novel access to hydrindan derivatives by palladium mediated tandem ring expansion and insertion reaction of alkenic cyclobutanols (1994) (16)
A Total Synthesis of (±)-Tacamonine (Pseudovincamone I) through Radical Cyclization (1994) (16)
CONVENIENT AND STEREOSELECTIVE ROUTE TO BASIC FRAMEWORKS FOR SYNTHESIS OF UNSYMMETRICAL PENTACYCLIC TRITERPENES (1978) (16)
Tandem ring expansion and insertion reaction of alkenic cyclobutanols mediated by palladium—A novel approach to bicyclo[4.3.O]nonane systems (1994) (16)
Novel regioselective protoberberine synthesis by thermolysis (1974) (16)
Studies on the synthesis of heterocyclic compounds. Part 698. An alternative protoberberine synthesis; Total synthesis of (+/-)-xylopinine, (+/-)-schefferine, (+/-)nandinine, (+/-)-corydaline, and (+/-)-thalictricavine. (1977) (16)
PALLADIUM CATALYZED REDUCTIVE CYCLIZATION REACTION IN ALKALOID SYNTHESIS :AN ENANTIOSELECTIVE TOTAL SYNTHETIC ROUTE TO (+)-PUMILIOTOXIN C (1996) (15)
Highly enantiocontrolled total synthesis of (-)-protoemetinol (1988) (15)
An efficient synthesis of the naphthalene moiety of neocarzinostatin chromophore (1989) (15)
Aphidicolin synthesis (II)—an expeditious and efficient formal synthesis of (±)-aphidicolin (1994) (15)
Studies on the syntheses of heterocyclic compounds. DCCLV. Iminoketene cycloaddition. 4. Alternative syntheses of 5,6,7,8-tetrahydro-2,3-dimethoxy-8-oxoisoquinolo[1,2-b]quinazoline and rutecarpine. (1978) (15)
Studies on total photolytic synthesis of alkaloids—III (1971) (15)
Synthetic Studies on Lythraceae Alkaloids via [3+2] Cycloaddition. II. Total Synthesis of (±)-Decaline and (±)-Vertaline (1985) (14)
Highly stereocontrolled synthesis of the key intermediate of 1β-methylcarbapenem antibiotic via intramolecular nitrone 1,3-dipolar cycloaddition (1988) (14)
Aspects of the intramolecular Diels-Alder reactions of some 1,3,8-trienic esters (1993) (14)
Tetra- and hexa-dehydroyohimbane synthesis by an intermolecular cycloaddition of o-quinodimethane. (1975) (14)
Studies on the syntheses of heterocyclic compounds. Part CDXCVII. Total syntheses of (±)-cryptaustoline and (±)-thaliporphine by the benzyne reaction (1972) (14)
Conversion of indoles into quinolines through the n-1-c-2 fission by singlet-oxygen as a model experiment of biomimetic synthesis of quinine alkaloids (1985) (14)
Studies on the syntheses of heterocyclic compounds. Part CCCLXXXII. Phenolic oxidative coupling of reticuline by use of various reagents (1971) (14)
A novel cleavage of aryl benzyl ethers and allyl aryl ethers by sodium bis(2-methoxyethoxy)aluminum hydride. An alternative synthesis of pentazocine. (1976) (14)
1,3-Dipolar cycloaddition of 1-carboxynitrone: Different stereoselectivity caused by salt effect (1996) (14)
Studies on the syntheses of heterocyclic compounds. Part 875. The total stereoselective retro mass spectral synthesis of (±)-emetine (1981) (14)
Studies on the Syntheses of Heterocyclic Compounds. DXIX. A Total Synthesis of (±)-Discretine by Thermolysis (1973) (14)
Stereoselective total synthesis of the tetracyclic diterpenes hibaol and dihydrohibaene (1979) (14)
A simple total synthesis of (±)-spirojatamol and (±)-erythrodiene via intramolecular 1,3-dipolar cycloaddition (1995) (14)
A facile ring-opening reaction of cyclobutenes: application to a synthesis of vitamin D3 (1983) (14)
Total synthesis of the protoberberine alkaloid (–)-xylopinine by photochemical 1,3-asymmetric induction (1981) (14)
Studies on the syntheses of heterocyclic compounds. Part 679. A stereoselective total synthesis of (+/-)-ophiocarpine; a simple route to 13-hydroxyberbines. (1977) (13)
Studies on the syntheses of heterocyclic compounds. Part DCL. Total synthesis of corytenchirine (1976) (13)
Stereoselective alkylation of dianions derived from chiral half-esters of monosubstituted malonic acids: asymmetric synthesis of α-alkyl α-amino acids and key synthetic intermediates for Hunteria and Aspidosperma indole alkaloids (1991) (13)
Enantioselective synthesis of naturally occurring (−)-tylophorine by way of an asymmetric intramolecular double Michael reaction (1989) (13)
A new method for selective epoxidation and a biogenetic-type synthesis of linalyloxides (1978) (13)
Biogenetic type syntheses of aporphine alkaloids, isoboldine and glaucine. (1969) (13)
Studies on the Syntheses of Heterocyclic Compounds. Part DCXXXVIII. Simple Synthesis of Benz[d]indeno[1,2-b]azepine from 1-Benzoyl-3,4-dihydroisoquinoline (1975) (13)
Enantioselective synthesis of the key intermediate of a 1β-methylcarbapenem antibiotic by way of nitrone 1,3-dipolar cycloaddition (1989) (13)
Stereoselective synthesis of (+)-testosterone via intramolecular 13-dipolar cycloadditxon of nitrile oxide (1991) (13)
Studies on the Syntheses of Tetracycline Derivatives. II. Thermolytic Cycloaddition of o-Quinodimethanes with Tetrahydronaphthoquinone and Naphthoquinone (1978) (13)
Pd2+-promoted cyclization in tetracyclic diterpene synthesis highly diastereoselective formal total synthesis of (±)-stemodin (1993) (13)
Tandem Michael addition-[3,3] sigmatropic rearrangement processes : a concise route to functionalized 3-alkoxycarbonylindoles (1990) (13)
Enantioselective synthesis of monofluorinated chiral building blocks from malonic acid (1990) (13)
Synthesis of a cancer growth-inhibiting diterpene—Stereoselective formal synthesis of (+)-aphidicolin (1996) (13)
A simple and enantioselective synthesis of (+)-albicanol (1989) (13)
A stereoselective total synthesis of (±)-dihydrocorynantheol via radical cyclisation (1987) (13)
Studies on the syntheses of heterocyclic and natural compounds. Part 939 (1981) (13)
Influence of a 2-fluoro substituent on diastereoselectivity in the 1,3-dipolar cycloadditions of nitrones (1997) (13)
Studies on the syntheses of heterocyclic compounds. 657. Total synthesis of angustine, nauclefine, and gentianine (1976) (13)
A stereoselective total synthesis of Δ9-progesterone via an intramolecular cycloaddition reaction (1985) (12)
Total synthesis of (±)-pentalenic acid via intramolecular double Michael reaction (1987) (12)
A Total Synthesis of (±)-Yohombine (1975) (12)
Conformational Analysis of Tetrahydroprotoberberines by Carbon-13 NMR Spectroacopy (1975) (12)
Synthesis of the hasubanan ring system from the alkaloid reticuline (1972) (12)
Studies on the syntheses of heterocyclic compounds—DXLV (1974) (12)
Stereocontrolled synthesis of the CDF part of Aconitum alkaloids via intramolecular double Michael reaction (1988) (12)
Biogentic-type synthesis of cularine (1971) (12)
Effective Ring Formations and Natural Product Syntheses (1994) (12)
Deconjugation of α,β-unsaturated esters and an intramolecular Michael reaction of bis-α,β-unsaturated esters with trialkylsilyl trifluoromethanesulfonate in the presence of tertiary amine: synthesis of (±)-ricciocarpin A (1993) (12)
A formal regio- and stereoselective total synthesis of estrone. A convenient synthesis of D-homoestrone (1976) (12)
An Enantioselective Synthesis of (R)- and (S)-4,5-Dimethyl-4-hexanolides —— Key Intermediates for 2,3-Dihydro-2-isopropyl-2,5-dimethylfuran, a Sex Specific Compounds in Females of the Beetle Hylecoetus dermestoides L. (1992) (12)
Total synthesis of hydrocinchonidine and hydrocinchonine via photo-oxygenation of an indole derivative (1988) (12)
Studies on the syntheses of heterocyclic compounds-CDXXXVI (1971) (12)
A novel chiral approach to trans-3a,4,5,9b-tetrahydro-1H-benz[e]indene (1992) (12)
Aphidicolin synthesis (I)—formal synthesis of (±)-aphidicolin by the successive intramolecular Diels-Alder reactions (1994) (12)
Regioselectivity in the thermal 1,2-cycloaddition of benzocyclobutenes to 3,4-dihydroisoquinolines (1974) (12)
Asymmetric syntheses of chiral propane-1,3-diols starting from malonic acid (1989) (11)
Enantioselective total synthetic route to (+)-aphidicolin (1995) (11)
Relationship between reactivity and 13C chemical shifts of benzocyclobutenes (1975) (11)
Reaction of conjugated enones with tert-butyldimethylsilyl triflate and intramolecular annelation (1985) (11)
Concerning the terpenoid origin of indole alkaloids: biosynthetic mapping by direct mass spectrometry (1966) (11)
Studies on the syntheses of heterocyclic compounds. Part DLIV. A total synthesis of (±)-coreximine by thermolysis† (1974) (11)
A Novel Approach to Quaternary Substituted Chiral Cyclobutanes. A Formal Enantioselective Total Synthesis of 1,3-Dioxole Pheromone, (-)-Frontalin (1991) (11)
Ring expansion of cyclopropylmethanols to cyclobutanes—an enantioselective total synthesis of (R)-(+)-dodecan-5-olide, and (S)-(+)- and (R)-(–)-5-[(Z)-dec-1-enyl]dihydrofuran-2(3H)-one (1990) (11)
Studies on the synthesis of heterocyclic compounds. Part 832. A simple and efficient synthesis of apomitomycin derivatives; a potential intermediate for mitomycin synthesis (1980) (11)
Chemical and Enzymic Phenol Oxidation of (R) (-)-N-Methylcoclaurine and (S) (+)-Reticuline : Studies on the Syntheses of Heterocyclic Compounds. CMII (1971) (11)
Enantioselective synthesis of useful chiral precursors, unsymmetrical propane-1,3-diol derivatives, from malonic acid (1987) (11)
An Asymmetric Synthesis of a Quaternary Chiral Building Block from Ethylmalonic Acid: A Preparation of Key Synthetic Intermediates of Hunteria- and Aspidosperma-type Indole Alkaloids (1990) (11)
DIASTEREOFACIAL SELECTIVITY OF RADICAL CYCLIZATION USING CHIRAL ALPHA ,BETA -UNSATURATED ESTER AND AMIDE : INVESTIGATION OF A NEW CHIRAL SYNTHON SYNTH ESIS (1997) (11)
Steroselective synthesis of the basic skeleton of aphidicolan diterpenes: synthetic approach to aphidicolin (1980) (11)
Vinyl cyclobutanol strategy for halogenated cyclopentanoids (1995) (11)
Studies on the syntheses of heterocyclic compounds. 715.1 Stevens rearrangement of cis-and trans-berbine methiodides by sodium bis(2-methoxyethoxy)aluminum hydride. (1977) (11)
Studies on the alkaloids of formosan Corydalis species. Part VI. Elucidation of the structures of two spirobenzylisoquinoline alkaloids, yenhusomine and yenhusomidine, and two berbine alkaloids, corytenchine and corytenchirine, from Corydalis ochotensis(turcz.) (1976) (11)
Biosynthesis of cularine (1971) (11)
Synthesis of 2,6-disubstituted dihydronaphthalenes and naphthalenes by electrocyclic reaction of o-quinodimethane. A synthesis of (±)-naproxen (1990) (11)
Studies on the Syntheses of Heterocyclic Compounds. CDLXXXVIII. An Alternative Synthesis of"Isocularine"by an Intramolecular Ullmann Reaction (1972) (10)
A new synthetic route to 2-hydroxynaphthalene-1-carboxylic acid derivatives. An efficient access to the naphthalene moiety of neocarzinostatin chromophore (1989) (10)
A facile and enantioselective total synthesis of (+)-19-nordeoxycorticosterone (1990) (10)
A stereoselective total synthesis of (±)-Δ9(12)-capnellene via the intramolecular Diels–Alder approach (1991) (10)
Studies on the syntheses of heterocyclic compounds. Part CCCXCII. An alternative total synthesis of petaline (1971) (10)
A novel approach to angular triquinanes via intramolecular 1,3-dipolar cycloaddition of nitrile oxide (1991) (10)
Studies on the Syntheses of Heterocyclic Compounds. DXVI. Total Syntheses of the Aporphine, Morphinandienone, and Tetrahydrodibenzopyrrocoline Alkaloids by Benzyne Reaction (1973) (10)
Studies on the syntheses of heterocyclic compounds. Part DCXXII. Total synthesis of (±)-mappicine [7-(1-hydroxypropyl)-8-methyl-indolizino[1,2-b]quinolin-9(11H)-one] (1975) (10)
An efficient, stereoselective method for the construction of anti-trans-4,5-(4′-oxo-1′,2′,3′,4′-tetrahydrobenzo)hydrindane — a possible intermediate to estradiol and cortisone (1980) (10)
Stereoselective construction of cis-transoid-cis-tricyclo[7.3.0.0]dodecanes by an intramolecular Diels–Alder reaction: a formal total synthesis of (±)-Δ9(12)-capnellene (1992) (10)
A Chiral Synthesis of the Key Intermediate of 1b-Methylcarbapenem Antibiotic (1988) (10)
Novel one step transformation of carbamates into amides (1992) (10)
A stereoselective total synthesis of 11-oxoprogesterone, a precursor to the corticosteroids, via an intramolecular cycloaddition reaction (1986) (10)
Simple design for the construction of complex gibberellin framework—Stereoselective synthesis of a possible key intermediate to GA12 via Pd2+-promoted cycloalkenylation reaction (1995) (10)
Synthesis of oxapenem derivatives by novel reductive cyclization (1982) (10)
Stereoselective Construction of Copaborneol and Longiborneol Frameworks by Intramolecular Double Michael Reaction. (1996) (10)
Synthetic studies toward to 1α-hydroxyvitamin D3 — stereoselective synthesis of (±)-(Z)-2-(3β, 5α-dihydroxy-2-methylenecyclohexylidene) ethylidenecyclohexane (1983) (10)
The first enantioselective total synthesis of (+)-laurene (1992) (10)
A synthetic approach to (+)-aldosterone and its relatives (2)- a stereoselective synthesis of (+)-trans-4,5-(4-methoxybenzo)- 1β , 7aβ - ( 2α-methoxymethyl- 5 -oxofuro) hydrindane (1985) (9)
Synthetic and Natural Sources of the Isoquinoline Nucleus (1981) (9)
Enantiocontrolled synthesis of chiral propane-1,3-diol derivatives possessing fluorinated quaternary stereogenic centers (1994) (9)
Studies on the syntheses of hererocyclic compounds. CCCI. Biogenetic syntheses of the morphinandienone-type compounds, isosalutaridine and O-methylflavinantine. (1969) (9)
A synthetic approach to (+)-aldosterone and its relatives (2)- a stereoselective synthesis of (+)--4,5-(4-methoxybenzo)- 1β , 7aβ - ( 2α-methoxymethyl- 5 -oxofuro) hydrindane (1985) (9)
A practical route for enantioselective total synthesis of (+)-11-deoxy-19-norcorticosterone via intramolecular Diels–Alder addition to an ortho-quinodimethane (1991) (9)
A Novel Appraoch to Chiral Cyclobutanes — An Enantioselective Total Synthesis of (+)-(S,Z)-5-(1-Decenyl)dihydro-2(3H)-furanone and (-)-(R,Z)-5-(1-Decenyl)dihydro-2(3H)-furanone (1990) (9)
Studies on the syntheses of heterocyclic compounds. Part 724. Total syntheses of the quinazolinone alkaloids glycorine, glomerine, homoglomerine, crysogine, and euxylophoricines A and C (1977) (9)
A convenient access to 3,4-disubstituted isoquinolines from benzocyclobutenyl ketoximes (1989) (9)
Studies on the syntheses of heterocyclic compounds. DCLXXI. An alternative total synthesis of yohimbine. (1976) (9)
Enantioselective synthesis of 6-oxygenated atisine derivative via intramolecular double Michael reaction (1992) (9)
Novel Stereoselective Synthesis of b-Lactams via Episulfonium Ion Intermediate (1982) (9)
Studies on the syntheses of heterocyclic compounds. Part 682. Six new isoquinoline alkaloids from Corydalis ochotensis var. raddeana. (1977) (9)
Studies on the syntheses of heterocyclic compounds—DCXCIII (1977) (9)
An efficient total synthesis of (±)-decaline and (±)-vertaline (1983) (9)
A carbon–carbon bond formation reaction at the C-4 position of a β-lactam (1981) (9)
Rearrangement and novel enol-ether addition in homoproaporphines. (1968) (9)
A simple route to spiro[indene-2,1′-isoquinoline]s, a spiro[indene-2,1′-β-carboline], and hexadehydroyohimbane (1974) (9)
Phenolic Cyclization III. One Step Synthesis of cis- and trans-16-Hydroxy-15-methoxyerythrinanone by Phenolic Cyclization (Studies on the Syntheses of Heterocyclic Compounds. CCLXIV) (1968) (9)
A Facile Synthesis of 2,3-Dihydro-1H-pyrrolo[1,2-a]indoles (1975) (9)
Studies on the Syntheses of Heterocyclic Compounds. DCLXIII. The Reaction of Pyridone Derivatives with Diazoalkane (1976) (9)
A Simple and Stereospecific Synthesis of Siterpene Alkaloid Internediate (1976) (9)
Synthetic Approach to the Grayanotoxins and Asebotoxins : A New Construction of A, B, and C Ring System of Grayanotoxan (1979) (9)
Studies on the syntheses of heterocyclic compounds. Part CCLXXXI. Synthesis of homoprotoberberine-type compounds by phenolic cyclisation (1969) (9)
Studies on the syntheses of heterocyclic compounds. Part 683. Stevens rearrangement of berbine methiodides by sodium bis-(2-methoxyethoxy)aluminium hydride (1977) (9)
A Practical Synthesis of the Key Intermediate for Theopederins—An Enantioselective Total Synthesis of (+)-Methyl Pederate (1998) (9)
An Efficient Route to Chiral Benzooxabicyclo[3.2.1]octane Ring System-- The First Enantiocontrolled Total Synthesis of (-)-Filiformin (1994) (9)
The total synthesis of (±)-geneserine (1986) (9)
Studies on the syntheses of heterocyclic compounds. Part 738. Photo-oxygenation of 9-oxo-9H-pyrrolo[1,2-a]indoles (1978) (8)
An Enantioselective Synthesis of (-)-6-Aza-6-carbethoxy-2-oxabicyclo-[3.3.0]octan-3-one from S-(-)-Malic Acid. (1986) (8)
An aromatic version of claisen rearrangements of ester silyl enolates: a facile synthesis of 2,3-disubstituted furans (1985) (8)
NEWER METHOD IN THE TOTAL SYNTHESES OF NATURAL PRODUCTS (1977) (8)
Stereocontrolled synthesis of indolo[2,3-a]quinolizines by intramolecular double Michael reaction: proof for stepwise mechanism (1995) (8)
Photochemical synthesis of the crinine ring system: formal total synthesis of (±)-maritidine (1971) (8)
Alkoxide-mediated Oxidative Ring Expansion of Benzocyclobutenes. A New Route to 3,4-Dihydroisocoumarines (1990) (8)
Total photolytic synthesis of (±)-pronuciferine, (±)-O-methylorientalinone, and (±)-O-methylkreysiginone (1971) (8)
Total synthesis of (±)-pentalenene, (±)-pentalenic acid, and (±)deoxypentalenic acid through an intramolecular double Michael reaction (1988) (8)
Asymmetric construction of α,α–disubstituted cyclobutanones–enantioselective total synthesis of (–)-frontalin (1991) (8)
Total Syntheses of Natural Products from Five-membered Heterocyclic Compounds as Starting Materials (1978) (8)
Studies on the syntheses of heterocyclic compounds. Part CDXXXIV. A novel total synthesis of olivacine (1,5-dimethyl-6H-pyrido(4,3-b)-carbazole). (1975) (8)
Studies on total photolytic syntheses of alkaloids. Part V. Total syntheses of flavinantine, amurine, bracteoline, and domesticine by photolysis of the appropriate 1-(2-bromobenzyl)isoquinolines (1971) (8)
[Studies on the synthesis of heterocyclic compounds. CCLIX. Synthesis of 1-(m-chlorophenethyl)-1,2,3,4-tetrahydro-6,7-dimethoxyisoquinoline and cyclized product by the benzyne reaction]. (1968) (8)
Synthetic studies towards (−)-quassimarin: an intramolecular Diels-Alder approach to the BCE ring system (1988) (8)
Cyclised products in the synthesis of 6-substituted phenanthridines by phenolic cyclisation (1971) (8)
Studies on the Syntheses of Heterocyclic Compounds. CDLXXXII. Total Photolytic Synthesis of (±)-Epicrinine (1972) (8)
Stereocontrolled intramolecular michael-aldol reaction mediated with bu2botf and (tms)2nh (1995) (8)
Studies on the syntheses of heterocyclic compounds. Part CD. Total syntheses of NO(10)-dimethylhernovine and kreysigine by photolysis of diazotised isoquinolines (1971) (8)
Total Synthesis of Optically Active Protoberberine Alkaloid, Xylopinine, by 1,3-Asymmetric Induction in Photolysis (1981) (8)
The synthesis of homoproaporphine-type compounds by phenolic oxidative coupling (1968) (8)
Synthetic studies toward antitumor quassinoids. 2. A chiral approach to quassimarin via intramolecular Diels-Alder reaction (1986) (8)
Modified Synthesis of Isosalutaridine (Studies on the Syntheses of Heterocyclic Compounds. CCCXXXVI) (1969) (8)
Stereoselective total synthesis of testosterone and androsterone via A/B-ring construction of the steroidal ring system by intramolecular Diels-Alder reaction (1986) (8)
A novel construction of polyfunctionalised trans-hydroindanes via sulphur-mediated intramolecular double Michael type reaction (1991) (8)
Studies on the syntheses of heterocyclic compounds—DXLVIII (1974) (8)
Syntheses of heterocyclic compounds. CDLI. Alternative photolytic total syntheses of O-methylandrocymbine and kreysigine (1971) (8)
A one-step synthesis of the phthalidylisoquinoline alkaloids, cordrastine and hydrastine (1976) (8)
Studies on the Syntheses of Heterocyclic Compounds. CDLXXXIII. Synthesis of Homoaporphine and Attempts to Synthesize C-Noraporphine by Pschorr Reaction (1972) (7)
Synthetic Approach to Diterpene Alkaloids — A Simple and Novel Synthesis of the A, B, C and D Ring Part from 1-Benzyl-1,2,3,4-tetrahydroisoquinoline (1981) (7)
Synthetic approach to grayanotoxins and asebotoxins: a new construction of the a-homograyanotoxane ring system (1981) (7)
PD0- AND/OR PD2+-PROMOTED CYCLIZATION IN CIS-HYDRINDANE SYNTHESIS BUILDING BLOCKS FOR NATURAL PRODUCT SYNTHESIS (1995) (7)
SYNTHESIS OF BENZAZEPINE ALKALOIDS AND RELATED COMPOUNDS (1975) (7)
Studies on the Syntheses of Heterocyclic Compounds. LII. The Eschweiler-Clarke and Pictet-Spengler Reactions with β-Methoxysafrylamine. (1959) (7)
An Efficient Synthesis of 1,2,3,4-Tetrasubsttituted Pyrroles via Intramolecular Azomethine Ylide [3+2] Dipolar Cycloaddition (1994) (7)
A MODIFIED SYNTHESIS OF THE (+)-8α-PHENYLSULFONYL-DES-AB-CHOLESTANE VIA AN INTRAMOLECULAR NUCLEOPHILIC ATTACK TO EPOXIDE - A TOTAL SYNTHESIS OF VITAMIN D3 (1985) (7)
Silymethyl Radical Cyclization in Theopederins Synthesis --- A New Access to Pederic Acid (1995) (7)
Synthesis of (±)-glaziovine, a proaporphine alkaloid, through nitrenium intermediate (1975) (7)
Stereoselective olefin cyclization mediated by the selenyl group; direct formation of a selenyl caparrapi oxide (1982) (7)
Studies on the syntheses of heterocyclic compounds. Part CCCXV erythrinan and related compounds. II . An alternative synthesis of cis-16-hydroxy-15-methoxyerythrinan-8-one and its mass spectrum†‡ (1969) (7)
Stereoselective synthesis of (±)-cedranediol via intramolecular double michael reaction (1997) (7)
Strained systems. V. further studies on phenyl substituted 1-(Δ2-cyclopropenyl)- 3-diazopropan-2-ones and the tricyclo[2.2.0.0.2,6] hexane system. (1965) (7)
A novel synthetic approach to isoatisirene-related compounds via an intramolecular Diels-Alder reaction (1985) (7)
Dienone-Phenol Rearrangement of"Procularine-type Compound"and Synthesis of Its Rearranged Cularine-type Compound. : Studies on the Syntheses of Heterocyclic Compounds. CCCVI (1969) (7)
ortho-Dienone synthesis by the phenolic oxidation of dihydroxy-1-phenethyl-1,2,3,4-tetrahydroisoquinoline (1969) (7)
Studies on the Syntheses of Heterocyclic Compounds. DXLIII1. An Alternative and Simple Preparation of Tryptamine from L- Tryptophan by Catalytic Decarboxylation with Metal Ion (1974) (7)
STEREOSELECTIVE CONSTRUCTION OF THE DITERPENE PART OF INDOLE ALKALOIDS, RADARINS, BY WAY OF INTRAMOLECULAR DIELS-ALDER REACTION (1995) (7)
Studies on the syntheses of heterocyclic compounds. CLXXIV. An approach to the synthesis of oxyacanthine and berbamine (1967) (7)
Formation of indole derivatives by phenolic oxidative coupling (1971) (7)
Diels-Alder Reactions with o-Quinodimethanes: The influence of protective groups and substituents of allyl alcohols on the stereochemical course—A new access to 18-trifluoroestrans (1995) (7)
The structure of capaurimine (1968) (7)
A new stereocontrolled access to angularly disubstituted cis-decalinsvia tandem radical ring expansion and cyclization (1996) (7)
Chiral construction of the estrane ring system by an intramolecular double Michael reaction (1989) (7)
INOC Reaction in Alkaloid Synthesis — Stereocontrolled Formal Total Synthesis of (+)-Pumiliotoxin C (1997) (7)
Studies on the syntheses of heterocyclic compounds. Part CDLIV. Abnormal dienone–phenol rearrangement of procularine (1972) (7)
A novel stereocontrolled approach to steroid side chain construction: asymmetric synthesis of potential synthon of the vitamin D series (1984) (7)
A novel stereoselective access to des-A B-aromatic corticosteroids via intramolecular cycloaddition reaction—potential intermediates for the synthesis of corticosteroids (1987) (7)
Studies on the syntheses of heterocyclic compounds. Part CDLXVI. Synthesis of narwedine-type enones by photochemical cyclisation (1972) (7)
A simple and stereoselective synthesis of Des-A-B-aromatic corticoids via intramolecular cycloaddition: potential intermediates for the synthesis of corticoids (1985) (7)
Studies on the Syntheses of Heterocyclic Compounds. CDLXXXVII. Photolytic Synthesis and Rearrangement of Proerythrinadienones (1972) (7)
Application of a tandem electrocyclic [3,3]sigmatropic reaction of o-quinodimethane to the synthesis of calabar bean alkaloids. Part 2. First total synthesis of (±)-geneserine (1987) (7)
A modified synthesis of codamine under eschweiler-clarke conditions† (1968) (7)
Studies on the Syntheses of Heterocyclic Compounds. DCLXXII. A Synthesis of Coralydine and O-Methylcorytenchirine by Thermolysis of Benzocyclobutene (1976) (6)
Studies on the syntheses of heterocyclic compounds—DXXII : Photolytic synthesis of 1,12-dihydroxy-2,10,11- trimethoxyhomoaporphine (1973) (6)
CULARINE AND RELATED COMPOUNDS. V. INVESTIGATION OF THE ULLMANN REACTION PRODUCTS OF METHYL (2-BROMO-4,5-DIMETHOXYPHENYL)- ACETATE WITH PHENOLIC COMPOUNDS, AND AN APPROACH TO THE TOTAL SYNTHESIS OF CULARINE. (1963) (6)
(SYNTHESES OF BISBENZYLISOQUINOLINE ALKALOIDS. I. SYNTHESIS OF DL-3-AMINO-3'-METHOXY-4,4'-BIS(2-METHYL-6,7-DIMETHOXY-1,2,3,4-TETRAHYDRO1-ISOQUINOLYLMETHYL)DIPHENYL ETHER. (STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. CI.). (1964) (6)
Asymmetric synthesis of trans-benzoperhydroindan: asymmetric induction in intramolecular Diels–Alder reactions of o-quinodimethanes (1988) (6)
A novel approach to estranes by an intramolecular double Michael reaction (1987) (6)
Studies on the syntheses of heterocyclic compounds. Part CDXII. Total synthesis of canadine (1971) (6)
Cyclobutane Strategy for the Synthesis of A-Ring Aromatic Trichothecanes (1996) (6)
Stereoselective olefinic cyclization assisted by the selenyl group — biogenetic-type synthesis of caparrapi oxide (1981) (6)
Total synthesis of O-methylflavinantine. (1969) (6)
Configuration and rearrangements of homoproaporphines. (1970) (6)
Studies on the syntheses of heterocyclic compounds. 726. Thermal rearrangement of aminomethyl cyclopropyl ketones and a novel synthesis of pentazocine. (1977) (6)
An Alternative Biomimetic Synthesis of (±)-Campothecin (1982) (6)
Studies on the syntheses of heterocyclic compounds. DCXXVI. A modified synthesis of pentazocine. (1975) (6)
Chiral synthesis of androsterone through intramolecular Diels-Alder reaction (1985) (6)
Competitive electrocyclic reaction of o-quinodimethane: sequential electrocyclic-double[3,3]sigmatropic reactions for the construction of 4-alkylideneisochroman-3-ones (1987) (6)
Studies on the Syntheses of Heterocyclic Compounds. DCXCII. A Novel Synthetic Route to Phthalideisoquinoline and Spirobenzylisoquinoline Type Alkaloids (1977) (6)
The asymmetric total synthesis of estradiol by an intramolecular cycloaddition reaction of o-quinodimethane (1978) (6)
Total synthesis of O-methylandrocymbine by a photo-Pschorr reaction and synthesis of thalifoline (1971) (6)
An intramolecular diels-alder approach to quassinoids—a stereoselective construction of a-aromatic klaineanone (1982) (6)
Concise and practical approach to chiral des-A B-trienic corticosteroids (1994) (6)
Facile construction of spirobicyclic skeletons by intramolecular aldol reaction: simple formal syntheses of (±)-spirojatamol and (±)-erythrodiene (1997) (6)
SILVER(I) SALT PROMOTED GENERATION OF NITRILE OXIDES FROM HYDROXIMOYL CHLORIDES (1996) (6)
Construction of Polycyclic Ring Systems Fused to Cyclobutane by Cascade Reactions of Formyl α,β-Unsaturated Esters (1995) (6)
A new synthetic approach to quassinoids via an intramolecular Diels-Alder reaction: a stereoselective construction of the klaineanone ring system (1983) (6)
Indirect Electroreductive Cyclization for Syntheses of Key Intermediates of Several Indole and Ipecac Alkaloids. (1995) (6)
Structure Elucidation of Six New Non-phenolic Alkaloids Isolated from Corydalis ochotensis var. Raddeana (1976) (6)
Total synthesis of (±)-dauricine (1964) (6)
Use of an electrocyclic reaction of o-quinodimethane and an intramolecular Mannich-type cyclisation in diterpene alkaloid synthesis: a synthesis of Nagata's intermediate for (±)-atisine (1989) (6)
Total Synthesis of Flavinantine and Bracteoline by a Photo-Pschorr Reaction (1971) (6)
RADICAL CYCLISATION WITH HIGH DIASTEREOFACIAL SELECTIVITY : ASYMMETRIC SYNTHESIS OF (+)-12B-EPIDEVINYLANTIRHINE (1997) (6)
Construction of polycyclic ring systems fused to cyclobutane by sequential three reactions, ring opening of cyclopropane-Michael-Aldol reaction sequence (1994) (6)
On the Stereochemistry of Intramolecular Diels-Alder Reaction of o-Quinodimethanes with Trifluoromethylallyl alcohols - A Novel Approach to 18-Trifluoroestrans (1995) (6)
THE SYNTHESIS OF 1BETA -FLUOROCARBAPENEM DERIVATIVE (1996) (6)
Convergent and stereoselective synthesis of vitamin D3 via 3,5-cyclovitamins D3 (1984) (6)
Syntheses of homoaporphine-type compounds by phenolic oxidative coupling (1967) (6)
One-step synthesis of an androcymbine-type compound. (1968) (6)
Total syntheses of (±)-pronuciferine, (±)--methylorientalinone, and (±)--methylkreysiginone (1971) (6)
Studies on the syntheses of heterocyclic compounds—CDLXVII (1972) (6)
Studies on the syntheses of heterocyclic compounds—CDLXXXIV : One-step synthesis of dibenzoindolizinium salt and phenolic aporphine by benzyne reaction (1972) (6)
Stereoselective total synthesis of (±)-3-oxosilphinene through intramolecular Diels–Alder reaction (1987) (6)
Sulfur-mediated intramolecular double Michael-type reaction: synthesis of trans-hydroindanes and mechanism (1992) (5)
A formal total synthesis of (±)-carpetimycin A (C-19393 H2): stereoselective synthesis of (±)-cis-4-carboxymethyl-3-(1-methyl-1-trimethylsilyloxyethyl)-2-azetidinone via an isoxazoline derivative (1983) (5)
Studies on the Syntheses of Heterocyclic Compounds. XLV. Synthesis of the Methyl Derivatives of Heterocyclic Compounds by the Hydrogenolysis of their Phenylurethans from Primary Alcohol. (1958) (5)
The synthesis of a proerythrinadienone system by phenol oxidation (1971) (5)
Novel rearrangement of homoproaporphine and the configuration of two isomeric homoproaporphines (1967) (5)
A One Step of the Phthalideisoquinoline Alkaloid Cordrastine (1975) (5)
Unexpected Stereoselectivity of Intramolecular 1,3-Dipolar Cycloaddition Caused by the Presence of Fluorine Atom (1995) (5)
A Biomimetic Approach to Benzophenanthridine Alkaloid from Protoberberine Alkaloid (1977) (5)
Studies on total photolytic syntheses of alkaloids-IV : Modified total syntheses of flavinantine, bracteoline, isoboldine and mecambrine by photolysis☆ (1971) (5)
Short and stereoselective construction of a key intermediate for synthesis of unsymmetrical pentacyclic triterpenes (1977) (5)
Stereoselective Construction of the cis-Hydrindan System by Intramolecular Diels-Alder Reaction (1984) (5)
Studies on the syntheses of heterocyclic compounds—DXXIII : Enzymic oxidation of homoorientaline with homogenised potato peelings (1973) (5)
Studies on the Syntheses of Tetracycline Derivatives. III. Synthetic Approach to Adriamycin-Synthesis of the Linear Tetracyclic Skeleton having the Same BC Ring System with Adriamycin (1978) (5)
A new synthetic approach to bruceantin via an intramolecular Diels-Alder reaction: stereoselective construction of the pentacyclic model system (1984) (5)
Studies on the syntheses of heterocyclic compounds. Part 796. A new synthesis of isochroman-3-ones from benzocyclobutenes; an application to a total synthesis of sendaverine (1979) (5)
Preparation of chiral building blocks for synthesis of Aconitium alkaloids (1995) (5)
Studies on the syntheses of heterocyclic compounds. Part 681. A novel alkylation in the 4-position of isoquinoline derivatives. (1977) (5)
Studies on the syntheses of heterocyclic compounds. Part CDXXI. General synthesis of 7,8-dioxygenated 1-benzyl-1,2,3,4-tetrahydroisoquinolines and elucidation of the structure of caseadine (1971) (5)
The Synthesis of C-nor-Androcymbine (Studies on the Syntheses of Heterocyclic Compounds. CCCXXIV) (1969) (5)
Studies on the syntheses of heterocyclic compounds. Part DLXXVII. An abnormal Hofmann degradation of phenolic berbinium salts (1974) (5)
An efficient synthesis of functionalized tricyclo[6.3.1.01,6]dodec-4-enes by a stereoselective intramolecular Diels–Alder reaction (1986) (5)
Facile and efficient constructions of the carbocyclic frameworks of four kinds of terpenoids from a common precursor (1986) (5)
Development of Novel Synthetic Reaction Using Pericyclic Reaction of ο-Quinodimethane and its Application (1988) (5)
INOC Reaction in Alkaloid Synthesis --- Preparation of Potential Intermediate for the Synthesis of (-)-Reserpine --- (1995) (5)
Studies on the syntheses of heterocyclic and natural products. Part 979. Attempted asymmetric synthesis of yohimbol by photocyclization of the enamide (1982) (5)
Studies on the syntheses of heterocyclic compounds. Part CDXLIII. An alternative synthesis of (±)-glaziovine by photolysis and phenolic oxidation (1971) (5)
Studies on the syntheses of heterocyclic compounds. DCCXXVIII. A simple synthesis of 1,3-benzoxazin-4-ones from salicylic acid. (1977) (5)
Syntheses of heterocyclic compounds. CDL. Total synthesis of androcymbine (1971) (5)
TOTAL SYNTHESIS OF CERTAIN ISOQUINOLINE AND INDOLE ALKALOIDS BY THERMOLYSIS (1975) (5)
Synthetic approach to rhoeadine-type alkaloids (1975) (5)
Studies on the Syntheses of Heterocyclic Compounds. Part DCXXXVI. An Alternative Synthesis of Pentazocine (1975) (5)
Synthesis of a Diterpene Alkaloid Intermediate from Benzocyclobutene (1977) (5)
Highly stereocontrolled construction of tricyclo[6.2.2.0]dodecanes by intramolecular double Michael reaction (1986) (5)
Studies on the syntheses of heterocyclic compounds. Part DLXXXVII A modified synthesis of the spirobenzylisoquinolines (1975) (5)
A NOVEL APPROACH TO OPTICALLY ACTIVE DES-A C-13 ETHYL STEROIDS (1994) (5)
Facile Preparation of Conjugated Dienones from Conjugated Enones (1993) (5)
Novel synthesis of a key intermediate for (±)-atisine (1987) (5)
Synthetic Approach to the Quassinoid Klaineanone : The Synthesis of a Potential Intermediate by Intramolecular Cycloaddition (1980) (4)
Total syntheses of (–)-O-methylandrocymbine, (–)-kreysigine, and alkaloid CC-10 methyl ether (1972) (4)
Syntheses of a proerythrinadienone by phenolic oxidation and a morphinandienone system by a photo-pschorr reaction (1971) (4)
A novel approach to optically active trans-benzoperhydroindan (2,3,3a,3b,4,5-hexahydro-1 H-benz[e]indene) (1991) (4)
Preferential Electrocyclic Reaction of o-Quinodimethane. New Route to Dihydronaphthalenes and Naphthalenes (1987) (4)
Biotransformation of Reticuline into Morphinandienone, Aporphine, and Protoberbaerine Alkaloids with Rat Liver Enzyme (1977) (4)
Facile construction of the bicyclo[6.4.0]dodecane system by the intramolecular Michael addition of sulfonyl carbanion (1996) (4)
Structural determination of capaurimine and capaurine. (1968) (4)
Pd2+-Promoted Cyclization in Gibberellin Synthesis - A New Strategy for C20 Gibberellin Synthesis (1994) (4)
Stereoselective synthesis of the pentacyclic system as a model for bruceantin (1983) (4)
A general method for the synthesis of 3,5-cyclovitamin D3 and derivatives. A stereoselective synthesis of vitamin D3 (1985) (4)
A new synthetic approach to the 3-benzazepine skeleton through pinacol-pinacolone rearrangement (1976) (4)
Total synthesis of (±)-mecambridine (1,10,11-trimethoxy-2,3-methylenedioxyberbin-12-ylmethanol) (1974) (4)
Synthesis and stereochemistry of 1,2,3,4-tetrahydro-6-methoxy-2-methyl-1-phenylisoquinoline and related compounds (1970) (4)
Studies on the syntheses of heterocyclic compounds. Part 678. Photoracemisation and photoepimerisation of the phthalidylisoquinoline alkaloids (–)-α-narcotine and (–)-β-hydrastine (1977) (4)
A total synthesis of (±)-cularimine (1964) (4)
Total synthesis of (±)-flavinantine (1969) (4)
The Optical Resolution of (±)-Galanthamine (1976) (4)
Strained systems. VI. Some reactions of 5,6-diphenyltricyclo-[2.1.1.o5,6]hexan-2-one☆ (1966) (4)
Synthesis of homoerythrinadienone by phenolic oxidative coupling (1968) (4)
Rapid enantioselective access to des-AB-trienic corticosteroids via intramolecular cycloaddition (1993) (4)
Total synthesis of amurine. (1968) (4)
SYNTHESIS OF BENZOALPHA QUINOLIZINES BY THE INTRAMOLECULAR DOUBLE MICHAEL REACTION UNDER THREE DIFFERENT CONDITIONS (1997) (4)
Studies on the syntheses of heterocyclic compounds. Part CCCXIII. Phenolic oxidative coupling of a dihydroxy-1-phenethyl-1,2,3,4-tetra-hydroisoquinoline (1970) (4)
An efficient synthesis of cholanic acids from 20-ketopregnanes (1982) (4)
A One-step Synthesis of Evodiamine and Rutecarpine (1976) (4)
A sequenced radical reaction—A novel stereocontrolled route to angularly disubstituted cis-decalins (1996) (4)
Enantioselective construction of a quaternary stereogenic centre via tandem acid anhydride formation–intramolecular Michael reaction (1992) (4)
Total synthesis of stebisimine. (1968) (4)
Synthesis of potentially useful intermediates for 1-fluorocarbapenems (1993) (4)
Studies on the syntheses of heterocyclic compounds. Part DLXXXIX. A simple route to pyridocarbazoles (1975) (4)
Synthesis of “homoerythrinadienone” by phenolic oxidative coupling (1968) (4)
Synthetic approach to grayanotoxins: a new method for the construction of the a-homograyanotoxane ring system (1981) (4)
Stereoselective synthesis of the basic skeleton of aphidicolan-type diterpenes via intramolecular Diels–Alder cyclisation. Synthetic approach to aphidicoline (1981) (4)
Synthesis of chiral intermediates of quinine alkaloids and(+)-dihydroantirhine (1997) (4)
[SYNTHESIS OF PAPAVERINE DERIVATIVES. (12). OXIDATION OF METHYLENE GROUP OF 1-(3,4-DIMETHOXYBENZYL)-6,7-DIMETHOXY-3,4-DIHYDRO(AND 1,2,3,4-TETRAHYDRO)ISOQUINOLINE BY ALUMINA-CHROMATOGRAPHY. (STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. LXXXVI.)]. (1963) (4)
A stereoselective synthesis of 1α-hydroxyvitamin D3 (1985) (4)
Synthesis of cularine type compounds (Studies on the syntheses of heterocyclic compounds. CCXXXVI). (1968) (4)
1178. Bisbenzylisoquinoline alkaloids and related compounds. Part IV. A total synthesis of (±)-dauricine (1964) (4)
A novel formation of (±)-glaziovine through nitrenium intermediate (1973) (4)
Homochiral syntheses of (–)-dihydrocorynantheol (1990) (3)
[Abnormal products of 1-(2-amino-3-benzyloxy-4-methoxyphenethyl)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinoline by modified Pschorr reaction. (Studies on the syntheses of heterocyclic compounds. CCCLXX)]. (1970) (3)
STEREOCONTROLLED SYNTHESIS OF TRICYCLO[6.2.1.04.9]UNDECANE RING SYSTEM OF ACONITIUM ALKALOIDS (1985) (3)
Stereoselective aldol reaction of a lithium .ALPHA.-vinyl enolate to .ALPHA.-alkoxy aldehydes. (1984) (3)
A Rapid Access to Both Enantiomers of 1,2,3,4‐Tetranor B‐Trienic 18,18, 18‐Trifluorosteroids. The First Enantiocontrolled Total Synthesis of 18,18,18‐Trifluorosteroids. (1995) (3)
Studies on the syntheses of heterocyclic compounds. Part DXCVII. Novel formation of benzo[5,6]cyclohept[1,2,3-ij]isoquinolines from berbinium salts (1975) (3)
Biogenetic synthesis of cularine-type compounds (1967) (3)
Synthetic Approaches to Mitomycins (1977) (3)
Studies on the syntheses of heterocyclie compounds. Part DXXVII.. the absolute configuration of 1,2,3,4-tetrahydro-1-phenylisoquinolines† (1973) (3)
Studies on the syntheses of heterocyclic compounds. Part 676. Synthesis of 1-substituted 7-methoxymitosenes (1977) (3)
Studies on the syntheses of heterocyclic compounds. Part CCCLXXXV. Pschorr reactions of 1-(2-aminobenzyl)- and 1-(2-aminophenethyl)-1,2,3,4-tetrahydroisoquinolines (total synthesis of thalicsimidine) (1971) (3)
Chiral synthesis of the intermediate of atisine (1990) (3)
Academic studies by professor Tetsuji Kametani (1990) (3)
Studies on the Syntheses of Heterocyclic Compounds. DLXVIII. Catalytic Hydrogenation of (±)-Kreysiginone (1974) (3)
Studies on the Syntheses of Heterocyclic Compounds. DX. A Novel Rearrangement of proerythrinadienol with Methyl Fluorosulfonate (1973) (3)
Studies on the syntheses of heterocyclic compounds. Part DCXXIX. A ready synthesis of indeno[2,1-a][3]benzazepines (1975) (3)
[SYNTHESIS OF CULARINE AND RELATED COMPOUNDS. VII. THE FORMATION OF INDOLE DERIVATIVES. (STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. XCI.)]. (1963) (3)
Studies on the syntheses of heterocyclic compounds. Part 744. A synthesis of 1-benzazocin-5-ones from 2,3-dihydro-1H-pyrrolo[1,2-a]indoles; a synthetic approach to the mitomycins (1978) (3)
Studies on the Syntheses of Heterocyclic Compounds. DCCLIV. A Novel Method form Acetalisation of Formyl Group at the C3-Position of 2, 3-Dihydro-1H-pyrrolo [1, 2-a] indole Skeleton (1978) (3)
Synthetic approach to stemodin (I) — a novel stereocontrolled construction of the stemodane system by the successive intramolecular Diels-Alder reactions (1992) (3)
[Papaverine and related compounds. XV. A synthesis of 1-benzyl-2-methyl-6-methoxy-1,2,3,4-tetrahydroisoquinolin-7-ol (Studies on the syntheses of heterocyclic compounds. CXXIV)]. (1965) (3)
Highly stereocontrolled synthesis of (±)-3-oxosilphinene via intramolecular Diels–Alder reaction (1986) (3)
Complementary Electrocyclic Reactions of o-Quinodimethanes. Highly Efficient Access to 4-Alkylideneisochroman-3-ones and 1-Carbomethoxy-3,4-dihydronaphthalenes (1987) (3)
Studies on the syntheses of heterocyclic compounds. Part CDI. Rearrangement of β-hydroxylaudanosine (1971) (3)
The First Example of Asymmetric Dihydroxylation of Cyclopropylidene Derivatives - An Enantioenriched Formal Total Synthesis of (-)- Filiformin. (1995) (3)
Studies on the syntheses of heterocyclic compounds—DLXIX (1974) (3)
SIMPLE SYNTHESIS OF QUINAZOLONE ALKALOIDS, ARBORINE AND RUTECARPINE THROUGH IMINOKETENE (1976) (3)
Synthesis of a Potential Intermediate to apo-Mitomycins (1980) (3)
Studies on the syntheses of heterocyclic compounds. Part 777. A synthetic approach to seco-mitosane type of compound related to mitomycins (1979) (3)
An aromatic version of Claisen rearrangement of lactonic silyl enolates ― a new access to potential intermediates for eudesmane type of sesquiterpernes (1987) (3)
A NOVEL AND SIMPLE SYNTHESIS OF 1,3-BENZOXAZIN-4-ONE DERIVATIVES (1977) (3)
Studies on the Syntheses of Heterocyclic Compounds. D. Novel Cleavage of Tetrahydroprotoberberines with Trifluoroacetic Anhydride (1972) (3)
A Biomimetic Synthesis of Benzo[c]Phenanthridine Alkaloid Nitidine (1977) (3)
A STEREOSELECTIVE FORMAL TOTAL SYNTHESIS OF EMETINE (1977) (3)
Biogenetic synthesis of an androcymbine-type compound (1968) (3)
[Developments of highly stereoselective domino reactions and application to medicinal chemistry]. (1996) (3)
Studies on the synthese of heterocyclic compounds. Part DXCV. The stereochemistry of methyl O‐(4‐hydroxy‐3‐methoxycinnamoyl)reserpate (1975) (3)
Benzyne Reaction. II. Syntheses of Benzyl Cyanide Derivatives by Benzyne Reaction (Studies on the Syntheses of Heterocyclic Compounds. CCXLVII) (1968) (3)
Aromatic versions of Claisen rearrangement of lactonic silyl enolates ― A novel approach to furanosesquiterpene framework (1985) (3)
Studies on the syntheses of heterocyclic compounds. Part CDXXXII. Synthesis of (±)-thalicsimidine by a possible biosynthetic route (1971) (3)
Nitrene. VI. Reaction of 6'-nitropapaverine and its analogue with triethyl phosphite. (1970) (3)
Studies on the Syntheses of Heterocyclic Compounds. CDLXXXVI. Behavior of the Erythrinadienone and Its Relatives in Acidic Medium (1972) (3)
Studies on the syntheses of heterocyclic compounds. Part 680. Abnormal formation of aporphine derivatives by Grewe cyclisation. (1977) (3)
INOC REACTION IN GIBBERELLIN SYNTHESIS : A PRACTICAL SYNTHESIS OF THE KEY INTERMEDIATE FOR GIBBERELLIN A12 (1995) (2)
An Efficient Route to the Chiral Benzooxabicyclo(3.2.1)octane Ring System ‐ The First Enantiocontrolled Total Synthesis of (‐)‐Filiformin (1995) (2)
A NOVEL PHTHALIDEISOQUINOLINE SYNTHESIS FROM THE BENZ(D)INDENO(1,2-B)AZEPINE (1975) (2)
Studies on the syntheses of heterocyclic compounds—DLIX (1974) (2)
Reductive Cyclization of a-(6-Nitroveratrylidene)-g-butyrolactone with Triethyl Phosphite (1974) (2)
Studies on the syntheses of heterocyclic compounds. Part CCCXCIII. Synthesis of norerythrinadienone by phenolic oxidative coupling (1971) (2)
Nitrene. Part XIII. Novel conversion of 2-nitrophenyl substituted butyrolactones into indoles with triethyl phosphite (1974) (2)
Studies on the Syntheses of Heterocyclic Compounds. LXI: Studies on the Polyester. (2). The Formation of Polymer from p -Hydroxy- or p -Benzyloxybenzoic Acid and the Character of Thionyl Chloride@@@Polyesterに関する研究その2 p -オキシーおよび p -ベンジルオキシ安息香酸よりのPolymerの生成ならびに塩化チオニルの性状について (1960) (2)
Total synthesis of (±)-amurine (1969) (2)
Total synthesis of hydrocinchonidine and hydrochinchonine from an indole derivatives via oxidation with singlet oxygen (1986) (2)
Studies on the Syntheses of Heterocyclic Compounds. DCCLXVIII. Reaction of Pyrrolo [1, 2-a] indole Derivatives with N-Bromosuccinimide in Protic Solvents (1978) (2)
Synthetic approach to the synthesis of eudesmane type of sesquiterpenes by using furan derivatives as a starting material. (1976) (2)
A chiral route to pyrrolizidine alkaloids via intramolecular Michael reaction (1985) (2)
SYNTHESIS OF THE 1,2,3,4-TETRAHYDROISOQUINOLINES AND RELATED COMPOUNDS BY PHENOLIC CYCLISATION (1975) (2)
Studies on the syntheses of heterocyclic compounds. Part DCXX. Total synthesis of (±)-orientalidine and a positional isomer (1975) (2)
ALTERNATIVE SYNTHESIS OF PROTOBERBERINE ALKALOID (.+-.)-XYLOPININE (1976) (2)
Studies on the Syntheses of Heterocyclic Compounds. DCCIX. A Synthetic Approach to Kesselringine (1977) (2)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. 700. SYNTHESES OF ISOQUINOLINE ALKALOIDS WITH CUPROUS CHLORIDE AND OXYGEN IN PYRIDINE AS AN ENZYMIC MODEL (1977) (2)
Studies on the Syntheses of Heterocyclic Compounds. LX: 1, 2-Dihydroisoquinoline Derivatives@@@1,2-ジヒドロイソキノリン誘導体について (1960) (2)
Modification of the Julia Alkenation Using SmI2-HMPA. (1995) (2)
Studies on the syntheses of heterocyclic compounds and natural products. CMXCII. Synthesis of an A-homograyanotoxane and a phyllocladane ring system from a common precursor. (1983) (2)
A STEREOSELECTIVE TOTAL SYNTHESIS OF ESTRONE BY AN INTRAMOLECULAR CYCLOADDITION REACTION OF OLEFINIC O-QUINODIMETHANE (1977) (2)
One-step synthesis of an androcymbine-like compound (1968) (2)
A Remarkable Substituent Effect on the Enantioselectivity of Tandem Asymmetric Epoxidation and Enantiospecific Ring Expansion of Cyclopropylidene Alcohols: A New Enantiocontrolled Synthesis of (-)- Debromoaplysin and (-)-Aplysin. (1994) (2)
An approach to the synthesis of sinomenine (1970) (2)
[Studies on the syntheses of cularine derivatives. I. A synthesis of diphenyl ether by Ullmann reaction and the formation of oxepine nucleus]. (1962) (2)
A GENERAL METHOD FOR THE STEREOSELECTIVE CONSTRUCTION OF DES-AB-CHOLESTANES. A FIRST TOTAL SYNTHESIS OF (+)-8α-PHENYLSULFONYL-DES-AB-CHOLESTANE (1985) (2)
A FASCINATING SYNTHESIS OF OLIVACINE (1975) (2)
Studies on the syntheses of heterocyclic compounds—DCXCIII: A total synthesis of atheroline by photolysis (1977) (2)
Reaction of 1,2-dihydrobenzocyclobutene-1-carbonitriles with methyl acrylate as an unsymmetric dienophile (1975) (2)
Conversion of the synthetic precursor for IPECAC and Corynanthe alkaloids into synthetic intermediates of quinine alkaloids and (±)-dihydroantirhine (1992) (2)
MODIFIED TOTAL SYNTHESIS OF ARBORINE, GLYCOSMININE, AND GLOMERINE BY CONDENSATION OF SULFINAMIDE ANHYDRIDE WITH THIOAMIDES (1978) (2)
[Studies on the syntheses of heterocyclic compounds. DXXIX. Dehydrogenation of cularine type compound (author's transl)]. (1973) (2)
Nitrenes-XV: 1-Hydroxymethyl-4,5-dimethoxy-7H-azirino[1,2-a]-indole-7a-carboxylic acid γ-lactone, a nitrene addition compound (1975) (2)
Assembly of bicyclo[2.2.1]heptane derivatives by two types of domino reaction (1995) (2)
Facile synthesis of basic skeletons of naturally occurring lactonic terpenes (1981) (2)
Catalytic Hydrogenation of (±)-Kreysiginone (1973) (2)
Studies on the syntheses of heterocyclic compounds. Part CCCLXXXI. A novel conversion of galanthamine into nivalidine under non-acidic conditions (1971) (2)
A NEW METHOD FOR AN EPOXIDATION OF OLEFINS AND ITS APPLICATION TO A BIOMIMETIC TYPE SYNTHESIS OF MONOTERPENES, LINALYL OXIDES (1977) (2)
[Decarboxylation of tryptophan and a synthesis of harman (Studies on the syntheses of heterocyclic compounds. DCVI) (author's transl)]. (1975) (2)
Synthesis of Heterocyclic Compounds by the Sulfeno-Cycloamination and Its Application to Natural Products Synthesis. (1983) (2)
Novel stereospecific synthesis of a potential intermediate for preparation of tetracyclic diterpenes from dihydrobenzocyclobutene derivatives (1976) (2)
Studies on the syntheses of heterocyclic compounds. Part DCXLIV . Catalytic reduction of homoproaporphine related compounds (1976) (2)
A NEW SYNTHETIC METHOD FOR THE KEY INTERMEDIATE OF THE EUDESMANE CLASS OF SESQUITERPENES THROUGH FURAN DERIVATIVES (1974) (2)
Total synthesis of O-methylandrocymbine by photolysis of diazotised isoquinoline (1970) (2)
Abnormal products of the Pschorr reaction of 8-amino-1,2,3,4-tetrahydro-1-phenethylisoquinoline. (1970) (2)
Stevens Rearrangement of Berbine Methiodides by Sodium Bis-(2-methoxyethoxy)aluminium Hydride (1976) (2)
One-step synthesis of morphinandienone-type compounds (1968) (2)
[Studies on the syntheses of heterocyclic compounds. CCCX. Syntheses of 1,2,3,4-tetrahydro-8-hydroxy-1-(3-hydroxy-4-methoxybenzyl)-6,7-dimethoxyisoquinoline and diphenolic 1-phenethylisoquinoline derivatives and trial of its phenolic oxidation]. (1969) (2)
Studies on Anti-cancer Agents. V. Desulfurization by Hydrazine Hydrate. II. The Reaction of Benzyl and Piperonyl Disulfide with Hydrazine (1960) (1)
Total Synthesis of Certain Isoquinoline and Indole Alkaloids by Theromolysis (1975) (1)
THE TOTAL STEREOSELECTIVE RETRO MASS SPECTRAL SYNTHESIS OF (.+-.)-EMETINE (1980) (1)
A NOVEL AND STEREOSELECTIVE SYNTHESIS OF CIS-1,8-H-1-HYDROXYPYRROLIZIDINE (1982) (1)
The Synthesis of Quinazolinone Alkaloids Through Potential Iminoketene Intermediate (1979) (1)
Allenylcyclobutanol, a Versatile Initiator for the Palladium-Catalyzed Cascade Reaction: A Novel Route to Bicyclo[5.3.0] and -[6.3.0] Frameworks. (1998) (1)
Stereoselective Synthesis of (.+‐.)‐Cedranediol via Intramolecular Double Michael Reaction. (1997) (1)
Asymmetric Total Synthesis of (-)-Protoemetinol, (-)-Protoemetine, (-)-Emetine, and (-)-Tubulosine by Highly Stereocontrolled Radical Cyclisations. (1990) (1)
Papers of Professor Tetsuji Kametani (1981) (1)
[Studies on the syntheses of heterocyclic compounds. DCCXVII. The reaction of methylenomycin A methyl ester with several amines as a nucleophile (author's transl)]. (1977) (1)
A simple synthesis of a basic skeleton of isoatisirene (1982) (1)
Capaurimine and Related Compounds. II. Syntheses of Position Isomers of Capaurimine and Capauridine : Studies on the Syntheses of Heterocyclic Compounds. CCCXIII (1969) (1)
A novel rearrangement of cyclobutanes to cyclopropanes; construction of tricyclo[5.4.0.0]undecane and bicyclo[4.1.0]heptane systems (1993) (1)
Synthesis of Polycyclic Cyclobutane Derivatives by Tandem Intramolecular Michael-Aldol Reaction Under Two Complementary Conditions; TBDMSOTf-Et3N and TMSI-(TMS)2NH. (1994) (1)
Synthesis of a 1-Fluorocarbapenem Derivative. (1996) (1)
Interconversiion between Pyrrolo[1,2-a]indoles and 2,3-Benzazocin-5-ones — A Synthetic Approach to Mitomycins (1977) (1)
A Practical Synthesis of the Key Intermediate for Theopederins — An Enantioselective Total Synthesis of (+)‐Methyl Pederate. (1998) (1)
Studies on the Syntheses of Heterocyclic Compounds. DCCXII. : Attempts to the Ring-Closure of Piperidone Derivatives by Grewe Cyclization (1977) (1)
Correction. Sutdies on the Syntheses of Heterocyclic Compounds. 696. Stereochemistry of Four Isomeric 4a-Cyano-1,2,3,4,4a,9,10,10a-octahydro-7-methoxy-1-(methoxycarbonyl)-1-methylphenanthrenes. (1977) (1)
A TOTAL SYNTHESIS OF (+-)-YOHIMBINE (1975) (1)
TRANSFORMATION OF THE SPIROISOQUINOLINE TO THE BENZINDANOAZEPINE (1975) (1)
CULARINE AND RELATED COMPOUNDS. IV. THE OXIMINATION AND REDUCTION OF 2,3,6-TRIMETHOXYDIBENZO(B,F)OXEPIN-10(11H)-ONE. (1963) (1)
Novel conversion of butyrolactones containing the ortho-nitrophenyl moiety to indoles with triethyl phosphite (1974) (1)
Syntheses of heterocyclic compounds. CCCXCV. Synthesis of homopetaline-type compounds (1971) (1)
A novel route to the des-A corticosteroids (1988) (1)
Intramolecular Michael reaction using trialkylsilyl trifluoromethanesulfonates and tertiary amine system: total synthesis of (±)-ricciocarpin A (1993) (1)
Stereoselective Total Synthesis of Testosterone and Androsterone via A/B-Ring Construction of the Steroidal Ring System by Intramolecular Diels-Alder Reaction. (1986) (1)
[Capaurimine and related compounds. IV. Synthesis of 1,10-dihydroxy-2,3,11-trimethoxy- and 3,10-dihydroxy-1,2,11-trimethoxy-5,6,13,13a-tetrahydro-8H-dibenzo[a,g]quinolizine (studies on the synthesis of heterocyclic compounds. CCLXII)]. (1968) (1)
An Efficient Synthesis of 1,2,3,4‐Tetrasubstituted Pyrroles via Intramolecular Azomethine Ylide (3 + 2) Dipolar Cycloaddition. (1995) (1)
[Synthesis of cularine and related compounds. (2). The products of N-[3-(2-formyl-4,5-dimethoxyphenoxy)-4-methoxyphenethyl] [acetamide by Pictet-Spengler reaction. (A synthesis of C-nor-cularine). (Studies on the syntheses of hetero-cyclic compounds. 79)]. (1963) (1)
TOTAL SYNTHESIS OF (+-)-MECAMBRIDINE (1974) (1)
Synthetic approach to stemodin---A novel stereocontrolled construction of the stemodane system by the successive intramolecular diels-alder reactions (1992) (1)
Total Synthesis of Hydrocinchonidine and Hydrocinchonine via Photooxygenation of an Indole Derivative. (1988) (1)
An Abnormal Formation of Indane from N-Phenethylphenylpropionamide under Bischler-Napieralski Reaction Conditions (1977) (1)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC AND NATURAL COMPOUNDS. PART 939. AN EFFICIENT AND STEREOSELECTIVE SYNTHESIS OF DES‐A‐RING STEROIDS: POTENTIAL INTERMEDIATES TO ESTRADIOL, CORTISONE, AND PROGESTERONE (1981) (1)
Studies on the syntheses of heterocyclic compounds. CDXCI pyrimidine derivatives V. Abnormal condensation products of 4‐amino‐6‐chloro‐2‐methoxypyrimidine with p‐nitrobenzenesulfonyl chloride (1972) (1)
A STEREOSELECTIVE SYNTHESIS OF 1 α-HYDROXY-VITAMIN D3 (1985) (1)
Stereoselective Construction of cis-transoid-cis-Tricyclo(7.3.0.02,7) dodecanes by an Intramolecular Diels-Alder Reaction: A Formal Total Synthesis of (.+-.)-δ9(12)-Capnellene. (1992) (1)
Formation of protoberberines by debenzylation and photolysis of tetrahydroisoquinolines (1975) (1)
A synthetic approach to (>6)-vindoline (1989) (1)
Lewis acid promoted tandem [4+2] cycloaddition-rearrangement process ― a simple and efficient synthesis of highly functionalized oxabicyclo[3.3.1.]nonanes (1994) (1)
Scientific Contributions of Professor Tetsuji Kametani (1981) (1)
Some Aspects of the Reaction of Phenylselenomagnesium Bromide with Carbonyl Compounds (1982) (1)
An Expeditious and Efficient Formal Synthesis of (.+-.)-Aphidicolin. (1995) (1)
Total Synthesis of (.+-.)-Methyl Atis-16-en-19-oate via Homoallyl—Homoallyl Radical Rearrangement. (1998) (1)
Novel Access to Neopentyl-Type Halogenated Cyclopentanoids via Olefinic Cyclobutanols. (1996) (1)
A New Synthesis of Quinazoline Alkaloids by an Intermolecular Cycloaddition of Iminoketenes (1977) (1)
Palladium-Catalyzed Reductive Cyclization Reaction in Alkaloid Synthesis - An Enantioselective Total Synthetic Route to (+)- Pumiliotoxin C. (2010) (1)
[The direction of the ring closure of N-furoyltryptophan (studies on the syntheses of the heterocyclic compounds. DLXXXVI)]. (1974) (1)
A SIMPLE SYNTHESIS OF 1,3-BENZOXAZIN-4-ONE DERIVATIVES (1978) (1)
SIMPLE AND EFFICIENT ENTRIES TO THE BASIC CARBON SKELETONS OF SOME KINDS OF TERPENOIDS FROM A FUNCTIONALIZED TRICYCLO[6.3.1.03,8]DODEC-4-ENE (1985) (1)
A Novel and Efficient Route to Chiral A‐Ring Aromatic Trichothecanes ‐ The First Enantiocontrolled Total Synthesis of (‐)‐Debromofiliformin ( VI) and (‐)‐Filiformin (VII). (1995) (1)
[Synthesis of 1-(3- and 4-chlorobenzyl)-1,2,3,4-tetrahydro-6,7-dimethoxy-isoquinoline and cyclized compounds by benzyne reaction (studies on the syntheses of heterocyclic compounds. CCXLI)]. (1968) (1)
Synthesis of a Cancer Growth-Inhibiting Diterpene. Stereoselective Formal Synthesis of (+)-Aphidicolin. (1996) (1)
DOUBLE ANNELATION OF THE ENAMINE IMINES, ISOQUINOLINE AND β‐CARBOLINE DERIVATIVES, WITH 6‐METHYLPYRAN‐2‐ONE‐3,5‐DICARBOXYLATES (1982) (1)
Syntheses of Heterocyclic and Natural Compounds. Part 1201. Total Synthesis of (+)-Albicanol and (+)-Albicanyl Acetate via a Highly Diastereoselective Intramolecular (3 + 2) Cycloaddition. (1990) (0)
TOTALSYNTH. VON (+-)-CEPHARAMIN (1972) (0)
Novel Synthesis of Heterocyclic Compounds Having Angular Nitrogen Atom by Intramolecular Diels-Alder Reaction of 1-1-Azadienes (1985) (0)
A New Carbon-Carbon Bond Formation Reaction at the C-4 Position of a b-Lactam (1980) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 543, AN ALTERNATIVE AND SIMPLE PREPARATION OF TRYPTAMINE FROM L-TRYPTOPHAN BY CATALYTIC DECARBOXYLATION WITH METAL ION (1974) (0)
Synthesis of Heterocyclic Natural Products Through Organoselenium Intermediates. (1982) (0)
Complementary Electrocyclic Reactions of o-Quinodimethanes. Highly Efficient Access to 4-Alkylideneisochroman-3-ones and 1-Carbomethoxy-3,4-dihydronaphthalenes. (1988) (0)
A NOVEL SYNTHESIS OF BENZO- AND INDOLO(A)QUINOLIZIDINES BY INTRAMOLECULAR DIELS-ALDER REACTION OF 1-AZADIENES (1985) (0)
A Novel Stereoselective Access to Des-AB-Aromatic Corticosteroids via Intramolecular Cycloadditon Reaction-Potential Intermediates for the Synthesis of Corticosteroids. (1987) (0)
Simple Design for the Construction of Complex Gibberellin Framework Stereoselective Synthesis of a Possible Key Intermediate to GA12 via Pd2+-Promoted Cycloalkenylation Reaction. (1995) (0)
EINE ALTERNATIVE TOTALSYNTHESE VON GLAZIOVIN DURCH PHOTOLYSE (1971) (0)
AN INTRAMOLECULAR DIELS-ALDER APPROACH TO QUASSINOIDS. A STEREOSELECTIVE CONSTRUCTION OF A-AROMATIC KLAINEANONE (1982) (0)
A FACILE FORMATION OF BENZO(A)QUINOLIZIN-4-ONES (1977) (0)
An Efficient and Highly Regioselective Intramolecular Mannich-Type Reaction: A Construction of the AEF Ring System of Aconitine-Type Diterpene Alkaloids. (1986) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 589, A SIMPLE ROUTE TO PYRIDOCARBAZOLES (1975) (0)
Facile Construction of Spirobicyclic Skeletons by Intramolecular Aldol Reaction: Simple Formal Syntheses of (.+-.)-Spirojatamol and (.+-.)- Erythrodiene. (1997) (0)
SYNTHETIC APPROACH TO THE SYNTHESIS OF EUDESMANE-TYPE SESQUITERPENES USING FURAN DERIVATIVES AS A STARTING MATERIAL (1976) (0)
A Novel Construction of Polyfunctionalized trans-Hydroindans via Sulfur-Mediated Intramolecular Double Michael-Type Reaction. (1992) (0)
A Mild Oxidative Transformation of Nitro Compounds into Ketones by Tetrapropylammonium Perruthenate. (1997) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART DCL. TOTAL SYNTHESIS S OF CORYTENCHIRINE (1976) (0)
Simple Synthesis of Quinazolone Alkaloids Arborine and Rutecarpine through Iminoketene (1976) (0)
Editor's Remark (1999) (0)
A Simple and Stereoselective Synthesis of Des-A-B-Aromatic Corticoids via Intramolecular Cycloaddition: Potential Intermediates for the Synthesis of Corticoids. (1986) (0)
Studies on the syntheses of heterocyclic compounds. Part 678. Photoracemisation and photoepimerisation of the phthalidylisoquinoline alkaloids (--)-alpha-Narcotine and (--)-beta-Hydrastine. (1977) (0)
A Novel Palladium-Mediated Cascade Reaction Triggered by Strain Release of the Cyclobutane System. A New General Route to Benzo- and Naphthohydrindans. (1998) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCCLIV. A NOVEL METHOD FOR ACETALIZATION OF THE FORMYL GROUP AT THE C3-POSITION OF THE 2,3-DIHYDRO-1H-PYRROLO(1,2-A)INDOLE SKELETON (1978) (0)
UNTERSUCHUNGEN UEBER DIE SYNTH. VON HETEROCYCLISCHEN VERBINDUNGEN 451. MITT. ALTERNATIVE PHOTOLYTISCHE TOTALSYNTH. VON O-METHYL-ANDROCYMBIN UND KREYSIGIN (1972) (0)
A Novel Route to Diverse Fused Oxabicyclo[3.2.1]octanes --- A Ring Modified Trichothecanes (1997) (0)
SYNTHESES OF LINEAR TETRACYCLIC ANTIBIOTICS (1981) (0)
Influence of a 2‐Fluoro Substituent on Diastereoselectivity in the 1,3‐Dipolar Cycloadditions of Nitrones. (1998) (0)
SYNTHESIS OF β-LACTAM ANTIBIOTICS BY THE SULFENO-CYCLOAMINATION (1984) (0)
Diastereofacial Selectivity of Radical Cyclization Using Chiral α,β-Unsaturated Ester and Amide: Investigation of a New Chiral Synthon Synthesis. (1998) (0)
STUDIES ON THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS. 775. SYNTHESIS OF β-LACTAMS BY ACID CHLORIDE- AND PHOSPHATE ANHYDRIDE-IMINE METHODS (1979) (0)
Enantioselective Synthesis of Monofluorinated Chiral Building Blocks from Malonic Acid. (1990) (0)
Synthetic Studies Toward Antitumor Quassinoids. Part 2. A Chiral Approach to Quassimarin via Intramolecular Diels‐Alder Reaction. (1986) (0)
STEREOSELECTIVE SYNTHESIS OF THE BASIC SKELETON OF APHIDICOLAN DITERPENES: SYNTHETIC APPROACH TO APHIDICOLIN (1980) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 683. STEVENS REARRANGEMENT OF BERBINE METHIODIDES BY SODIUM BIS-(2-METHOXYETHOXY)ALUMINUM HYDRIDE (1977) (0)
Stereoselective Construction of the Diterpene Part (V) of Indole Alkaloids, Radarins, by Way of Intramolecular Diels-Alder Reaction. (1996) (0)
Lewis Acid Promoted Tandem (4 + 2)Cycloaddition‐Rearrangement Process. A Simple and Efficient Synthesis of Highly Functionalized Oxabicyclo(3. 3.1)nonanes. (2010) (0)
Asymmetric Total Synthesis of Naturally Occurring (R)-(-)-Enantiomer of Tylophorine via Intramolecular Double Michael Reaction. (1990) (0)
P-11 A Novel Approach to Chiral Cyclobutanones And Applications for Asymmetric Synthesis of Trichothecanes (1995) (0)
PB53 A STEREOSELECTIVE TOTAL SYNTHESIS OF (±)-ATISINE VIA INTRAMOLECULAR DOUBLE MICHAEL REACTION (1988) (0)
SYNTHESIS OF (+‐)‐GLAZIOVINE, A PROAPORPHINE ALKALOID, THROUGH NITRENIUM INTERMEDIATE (1975) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 577, AN ABNORMAL HOFMANN DEGRADATION OF PHENOLIC BERBINIUM SALTS (1975) (0)
INOC Reaction in Gibberellin Synthesis ‐ A Practical Synthesis of the Key Intermediate for Gibberellin A12. (1995) (0)
A Novel Approach to Angular Triquinanes via Intramolecular 1,3‐Dipolar Cycloaddition of Nitrile Oxide. (1992) (0)
A Novel Approach to Estranes by an Intramolecular Double Michael Reaction. (1988) (0)
Tandem Ring Expansion and Insertion Reaction of Alkenic Cyclobutanols Mediated by Palladium. A Novel Approach to Bicyclo(4.3.0)nonane Systems. (1995) (0)
Publications of Keiichiro Fukumoto (2009) (0)
AN EFFICIENT SYNTHESIS OF CHOLANIC ACIDS FROM 20-OXOPREGNANES (1983) (0)
Enantioselective Construction of Quaternary Stereogenic Centres Possessing a Fluorine Atom. (1992) (0)
Studies on the syntheses of heterocyclic compounds. 696. Stereochemistry of four isomeric 4a-cyano-1,2,3,4,4a,9,10,10a-octahydro-7-methoxy-1-methoxycarbonyl-1-methylphenanthrenes (1977) (0)
Alkoxide-Mediated Oxidative Ring Expansion of Benzocyclobutenes. A New Route to 3,4-Dihydroisocoumarins. (1990) (0)
A Novel Strategy for the Enantioselective Synthesis of the Steroidal Framework Using Cascade Ring Expansion Reactions of Small Ring Systems — Asymmetric Total Synthesis of (+)‐Equilenin. (1999) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 855. THE TOTAL STEREOSELECTIVE RETRO MASS SPECTRAL SYNTHESIS OF (.+-.)-EMETINE (1981) (0)
A Modified Synthesis of the (+)-8a-phenylsulfonyl-des-AB-cholestane via an Intramolecular Nucleophilic Attack to Epoxide — A Total Synthesis of Vitamine D3 (1985) (0)
Unexpected Stereoselectivity of Intramolecular 1,3‐Dipolar Cycloaddition Caused by the Presence of Fluorine Atom. (1995) (0)
Synthesis of b-Lactam Antibiotics via the Sulfeno-cycloamination (1984) (0)
Synthesis of Chiral Intermediates of Quinine Alkaloids and (+)‐ Dihydroantirhine. (1997) (0)
A New Synthetic Route to 2-Hydroxynaphthalene-1-carboxylic Acid Derivatives. An Efficient Access to the Naphthalene Moiety of Neocarzinostatin Chromophore. (1990) (0)
Preferential Electrocyclic Reaction of o-Quinodimethane. New Route to Dihydronaphthalenes and Naphthalenes. (1988) (0)
Aspects of the Intramolecular Diels-Alder Reactions of Some 1,3,8- Trienic Esters. (1993) (0)
Enantioselective Construction of Quaternary Stereogenic Centre via Tandem Acid Anhydride Formation-Intramolecular Michael Reaction. (1992) (0)
Synthetic Studies of the Lythraceae Alkaloids via [3+2] Cycloaddition Reaction (1984) (0)
Studies on the syntheses of heterocyclic compounds. CDLXII. Total photolytic syntheses of aporphine ((plus or minus)-N-methyl-laurotetanine, (plus or minus)-cassythicine, and (plus or minus)-pukateine), proaporphine ((plus or minus)-orientalinone), and morphinandienone ((plus or minus)-pallidine and (1972) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 545, AN ALTERNATIVE SYNTHESIS OF THE PROTOBERBERINE RING SYSTEM (1974) (0)
Syntheses of morphinandienone and aporphine by photolysis. (1970) (0)
A chiral synthesis of the key intermediate of 1β-methylcarbapenem antibiotic (1988) (0)
REDUCTIVE CYCLIZATION OF ALPHA-(6-NITROVERATRYLIDENE)-GAMMA-BUTYROLACTONE WITH TRIETHYL PHOSPHITE (1974) (0)
A Novel o‐Quinodimethane Strategy for an Active Metabolite of Vitamin D3. A Total Synthesis of 25‐Hydroxy Windaus‐Grundmann Ketone (I). (1991) (0)
Diels‐Alder Reactions with o‐Quinodimethanes: The Influence of Protective Groups and Substituents of Allyl Alcohols on the Stereochemical Course ‐ A New Access to 18‐Trifluoroestrans. (1996) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART DCXLIV. CATALYTIC REDUCTION OF HOMOPROAPORPHINE RELATED COMPOUNDS (1976) (0)
A Practical Route for Enantioselective Total Synthesis of (+)‐11‐Deoxy‐ 19‐norcorticosterone via Intramolecular Diels‐Alder Addition to an ortho‐Quinodimethane. (1991) (0)
Highly Efficient Construction of the 7-Azabicyclo(3.3.1)non-2-ene System. An Application to the Synthesis of the AEF Ring System of Aconitine-Type Diterpene Alkaloids. (1989) (0)
Assembly of Bicyclo(2.2.1)heptane Derivatives by Two Types of Domino Reaction. (1996) (0)
A Sequenced Radical Reaction ‐ A Novel Stereocontrolled Route to Angularly Disubstituted cis‐Decalins. (1997) (0)
Stereocontrolled Synthesis of the CDF Part of Aconitum Alkaloids via Intramolecular Double Michael Reaction. (1988) (0)
[Papaverine and related compounds. XVI. A synthesis of 1-phenyl-2-methyl-6-methoxy-1,2,3,4-tetrahydroisoquinolin-7-ol]. (1965) (0)
Total synthesis of (plus or minus) flavinantine. (1969) (0)
Total synthesis of stebisimine (1967) (0)
Tandem Michael Addition‐(3,3)Sigmatropic Rearrangement Processes. Part 2. Construction of Cyclopropa(3,4)pyrrolo(3,2‐e)indol‐4‐one (CPI) Unit of Antitumour Antibiotic CC‐1065. (1992) (0)
THE COMPETITION BETWEEN ELECTROCYCLIC REACTION AND (1,5)SIGMATROPIC REACTION IN THE THERMOLYSIS OF 1,1‐DISUBSTITUTED BENZOCYCLOBUTENES (1985) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 622, TOTAL SYNTHESIS OF (+-)-MAPPICINE (7-(1-HYDROXYPROPYL)-8-METHYL-INDOLIZINO(1,2-B)QUINOLIN-9(11H)-ONE) (1975) (0)
STEREOSELECTIVE OLEFINIC CYCLIZATION ASSISTED BY THE SELENYL GROUP. BIOGENETIC-TYPE SYNTHESIS OF CAPARRAPI OXIDE (1982) (0)
Pd2+-Promoted Cyclization in Gibberellin Synthesis - A New Stategy for C20 Gibberellin (I) Synthesis. (1994) (0)
A Novel Approach to Quaternary Substituted Chiral Cyclobutanes. A Formal Enantioselective Total Synthesis of 1,3-Dioxole Pheromone, (-)- Frontalin. (1991) (0)
Asymmetric Total Synthesis of Atisine via Intramolecular Double Michael Reaction. (1990) (0)
TETRA- AND HEXA-DEHYDROYOHIMBANE SYNTHESIS BY AN INTERMOLECULAR CYCLOADDITION OF O-QUINODIMETHANE (1975) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 522, PHOTOLYTIC SYNTHESIS OF 1,12-DIHYDROXY-2,10,11-TRIMETHOXYHOMOAPORPHINE (1973) (0)
A Novel Rearrangement of Cyclobutanes to Cyclopropanes; Construction of Tricyclo(5.4.0.01,3)undecane and Bicyclo(4.1.0)heptane Systems. (1994) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 620, TOTAL SYNTHESIS OF (+-)-ORIENTALIDINE AND A POSITIONAL ISOMER (1975) (0)
SYNTH. EINES PROERYTHRINADIENON-SYST. DURCH PHENOL-OX. (1971) (0)
A NOVEL FORMATION OF 1-HYDROXYMETHYL-4,5-DIMETHOXY-7H-AZIRINO(1,2A)INDOLE-7A-CARBOXYLIC ACID GAMMA-LACTONE (1974) (0)
TOTAL SYNTHESIS OF (+-)-ORIENTALIDINE (1975) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 569, ONE-STEP SYNTHESIS OF DIHYDROPYRIDOCARBAZOLE DERIVATIVES (1975) (0)
Total Syntheses of (.+-.)-Physovenine and (.+-.)-Physostigmine. An Application of Tandem Electrocyclic-(3,3)Sigmatropic Reaction of Benzocyclobutenes. (1987) (0)
A Novel Strategy for the Stereoselective Total Synthesis of C-17 Spiro Steroids. Total Synthesis of 19-Norcanrenone, a Formal Total Synthesis of 19-Norspironolactone. (1988) (0)
Synthetic Studies on b-Lactam Antibiotics II. Condensation of b-Lactams with Active Methylene Groups (1979) (0)
Competitive Electrocyclic Reaction of o-Quinodimethane: Sequential Electrocyclic-Double (3,3)Sigmatropic Reactions for the Construction of 4-Alkylideneisochroman-3-ones. (1988) (0)
NOVEL STEREOSELECTIVE SYNTHESIS OF β-LACTAMS VIS EPISULFONIUM ION INTERMEDIATE (1982) (0)
Facile and Efficient Constructions of the Carbocyclic Frameworks of Four Kinds of Terpenoids from a Common Precursor. (1986) (0)
Enantioselective Synthesis of Useful Chiral Precursors, Unsymmetrical Propane-1,3-diol Derivatives, from Malonic Acid. (1987) (0)
Application of a Tandem Electrocyclic (3,3)Sigmatropic Reaction of o-Quinodimethane to the Synthesis of Calabar Bean Alkaloids. Part 2. First Total Synthesis of (.+-.)-Geneserine. (1988) (0)
A Novel Synthetic Approach to Steroids via Intramolecular 1,3‐Dipolar Cycloaddition. A Highly Stereocontrolled Synthesis of Testosterone. (1991) (0)
A BIOMIMETIC SYNTHESIS OF BENZO(C)PHENANTHRIDINE ALKALOID NITIDINE (1978) (0)
SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCXXVI. MODIFIED SYNTHESIS OF PENTAZOCINE (1976) (0)
ANNELATION - SYNTHESIS OF NATURAL PRODUCTS (1978) (0)
Cyclobutane Strategy for the Synthesis of A‐Ring Aromatic Trichothecanes. (1996) (0)
Developments of Highly Stereoselective Domino Reactions and Application to Medicinal Chemistry (1997) (0)
THE SYNTHESIS OF A POTENTIAL INTERMEDIATE TO APOMITOMYCIN (1979) (0)
Preparation of Chiral Building Blocks for the Synthesis of Aconitium Alkaloids. (1996) (0)
Aphidicolin Synthesis. Part 1. Formal Synthesis of (.+-.)-Aphidicolin by Successive Intramolecular Diels-Alder Reactions. (1995) (0)
33 Synthesis of Estrone and Hibaene Related Compounds (1976) (0)
A novel cleavage of aryl benzyl ethers and allyl aryl ethers by sodium bis(2-methoxyethoxy)aluminum hydride. An alternative synthesis of pentazocine (1976) (0)
The Alternative Synthesis of Isoquinoline Nucleus Using the Thermal Electrocyclic Reaction of 1‐Azahexa‐1,3,5‐triene System. (1989) (0)
Synthesis of Carbapenem Antibiotics (103 Literaturzitate). (1982) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 724. TOTAL SYNTHESES S OF THE QUINAZOLINONE ALKALOIDS GLYCORINE, GLOMERINE, HOMOGLOMERINE, CRYSOGINE, AND EUXYLOPHORICINES A AND C (1978) (0)
Intermolecular Double Michael Reaction. Part 3. Stereoselective Chiral Synthesis of Atisiran-15-one. (1985) (0)
Silver(I) Salt Promoted Generation of Nitrile Oxides from Hydroximoyl Chlorides. (1996) (0)
Tandem Michael Addition-(3,3) Sigmatropic Rearrangement Processes. A Consice Route to Functionalized 3-Alkoxycarbonylindoles. (1991) (0)
A SIMPLE ROUTE TO SPIRO(INDENE-2,1′-ISOQUINOLINE)S, A SPIRO(INDENE-2,1′-BETA-CARBOLIN), AND HEXADEHYDROYOHIMBANE (1974) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 738. PHOTOOXYGENATION OF 9-OXO-9H-PYRROLO(1,2-A)INDOLES (1978) (0)
Rapid Enantioselective Access to Des-AB-trienic Corticosteroids via Intramolecular Cycloaddition. (1994) (0)
A Novel Access to Hydrindan Derivatives by Palladium Mediated Tandem Ring Expansion and Insertion Reaction of Alkenic Cyclobutanols. (1994) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. 715. STEVENS REARRANGEMENT OF CIS‐ AND TRANS‐BERBINE METHIODIDES BY SODIUM BIS(2‐METHOXYETHOXY)ALUMINUM HYDRIDE (1978) (0)
1,3-Dipolar Cycloaddition of 1-Carboxynitrone: Different Stereoselectivity Caused by Salt Effect. (1996) (0)
Facile Preparation of Conjugated Dienones from Conjugated Enones. (1994) (0)
Homochiral Syntheses of (-)-Dihydrocorynantheol (1991) (0)
[Studies on the syntheses of heterocyclic compounds. 308. Synthesis of 1-(m-chlorophenylpropyl)-1,2,3,4-tetrahydro-6,7-dimethoxyisoquinoline]. (1969) (0)
Stereocontrolled Construction of Octahydroquinolizines, Octahydroindolizines, Hexahydrobenzo(a)quinolizines, and an Octahydroindolo(2,3-a)quinolizine by an Intramolecular Double Michael Reaction: Synthesis of (.+-.)-Epilupinine. (1987) (0)
A Stereoselective Total Synthesis of (.+-.)-δ9(12)-Capnellene (I) via the Intramolecular Diels-Alder Approach. (1991) (0)
Photo-oxygenation of Indole-3-acetic Acids and Indole-3-acetaldehydes: Biomimetic Conversion of Indoles into Quinolines via N1-C2 Fission (1983) (0)
Novel One-Step Transformation of Carbamates into Amides. (1992) (0)
Enantioselective Total Synthesis of (+)-Atisirene by Intramolecular Double Michael Reaction. (1987) (0)
TOTALSYNTHESIS OF (+-)-MECAMBRIDINE (1,10,11-TRIMETHOXY-2,3-METHYLENDIOXYBERBIN-12-YLMETHANOL) (1974) (0)
SYNTHESIS OF SECO-MITOSANE TYPE COMPOUNDS AS KEY INTERMEDIATES TO MITOMYCINS (1979) (0)
Formal Total Syntheses of Diterpene Alkaloids Atisine, Garryine and Veatchine (1976) (0)
Stereochemistry of the Intramolecular Diels‐Alder Reaction of o‐ Quinodimethanes with Trifluoromethylallyl Alcohols ‐ A Novel Approach to 18‐Trifluoroestrans. (1995) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCCXII. ATTEMPTS AT THE CYCLIZATION OF PIPERIDONE DERIVATIVES BY GREWE CYCLIZATION (1977) (0)
Silylmethyl Radical Cyclization in Theopederins Synthesis - A New Access to Pederic Acid. (2010) (0)
SYNTHESIS OF CARBAPENEM-TYPE ANTIBIOTICS (1981) (0)
A VERSATILE AND STEREOCONTROLLED SYNTHESIS OF QUINOLIZIDINES AND INDOLIZIDINES USING TRIALKYLSILYL TRIFLUOROMETHANESULFONATE: TOTAL SYNTHESIS OF (.+-.)-TYLOPHORINE (1985) (0)
ALTERNATIVE SYNTHESES OF 2,3-BENZAZOCIN-5-ONE DERIVATIVES VIA PYRROLO(1,2-A)INDOLES (1978) (0)
Studies on the syntheses of heterocyclic compounds. DLXVIII. Catalytic hydrogenation of (plus or minus)-kreysiginone. (1974) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS AND NATURAL PRODUCTS. PART 999. A NEW SYNTHETIC APPROACH TO QUASSINOIDS VIA AN INTRAMOLECULAR DIELS-ALDER REACTION: A STEREOSELECTIVE CONSTRUCTION OF THE KLAINEANONE RING SYSTEM (1984) (0)
A Synthetic Approach to (-)-Quassimarin Based on Intramolecular Diels-Alder Strategy. (1988) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCCXXVIII. A SIMPLE SYNTHESIS OF 1,3-BENZOAXAZIN-4-ONES FROM SALICYLIC ACID (1978) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 546, REGIOSPECIFIC CYCLOADDITION OF A BENZOCYCLOBUTENE DERIVATIVE WITH SCHIFF BASES BY THERMOLYSIS - A NEW METHOD FOR ISOQUINOLINE SYNTHESIS (1974) (0)
Stereoselective Alkylation of Dianions Derived from Chiral Half‐Esters of Monosubstituted Malonic Acids: Asymmetric Synthesis of α‐ Alkyl α‐Amino Acids and Key Synthetic Intermediates for Hunteria and Aspidosperma Indole Alkaloids. (1991) (0)
Simple Total Synthesis of (.+‐.)‐Spirojatamol and (.+‐.)‐Erythrodiene via Intramolecular 1,3‐Dipolar Cycloaddition. (1995) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCXCII. A NOVEL SYNTHETIC C ROUTE TO PHTHALIDEISOQUINOLINE AND SPIROBENZYLISOQUINOLINE TYPE ALKALOIDS (1977) (0)
An Alternative Synthesis of (±)-Yohimbine (1976) (0)
ONE-STEP SYNTHESIS OF THE PHTHALIDEISOQUINOLINE ALKALOID CORDRASTINE (1976) (0)
PHOTOOXYGENATION OF 9-KETO-7-METHOXY-6-METHYL-9H-PYRROLO(1,2-A)INDOLE AS A SYNTHETIC APPROACH TO THE MITOMYCINS (1976) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 529, DEHYDROGENATION OF CULARINE TYPE COMPOUND (1974) (0)
A Facile and Enantioselective Total Synthesis of (+)‐19‐ Nordeoxycorticosterone. (1991) (0)
Ring Contraction of Cyclobutanes and a Novel Cascade Reaction: Application to Synthesis of (.+-.)-Anthoplalone and (.+-.)-Lepidozene. (1995) (0)
An Efficient Synthesis of Functionalized Tricyclo[6.3.1.01,6]dodec-4-enes by a Stereoselective Intramolecular Diels-Alder Reaction. (1986) (0)
Stereoselective Total Synthesis of (.+-.)-Oxosilphinene Through Intramolecular Diels-Alder Reaction. (1987) (0)
The First Enantioselective Total Synthesis of (+)-Laurene. (1993) (0)
Total Synthesis of (.+-.)-Pentalenene, (.+-.)-Pentalenic Acid, and (.+-.)-Deoxypentalenic Acid Through an Intramolecular Double Michael Reaction. (1989) (0)
An Aromatic Version of Claisen Rearrangement of Lactonic Silyl Enolates. A New Access to Potential Intermediates for Eudesmane Type of Sesquiterpenes. (1987) (0)
SYNTH. VON SINOMENIN (1970) (0)
An Asymmetric Synthesis of Benzylic Quaternary Carbon Centers. A Formal Total Synthesis of (-)-Mesembrine. (1995) (0)
Highly Stereocontrolled Synthesis of (±)-3-Oxosilphinene via Intramolecular Diels-Alder Reaction. (1986) (0)
FACILE FORMATION OF THE BASIC SKELETONS OF NATURALLY OCCURRING TERPENOIDAL LACTONES (1980) (0)
STEREOCONTROLLED CONSTRUCTION OF A SPIRO FUSED BICYCLO(2.2.2)OCTANE RING SYSTEM BY THE INTRAMOLECULAR DOUBLE MICHAEL REACTION (1984) (0)
SYNTHETIC STUDIES TOWARD TO 1α-HYDROXYVITAMIN D3 - STEREOSELECTIVE SYNTHESIS OF (.+-.)-(Z)-2-(3β,5α-DIHYDROXY-2-METHYLENECYCLOHEXYLIDENE)ETHYLIDENEC# YCLOHEXANE (1984) (0)
A NEW ALKYLATING METHOD AT THE 4-POSITION OF ISOQUINOLINE DERIVATIVES (1976) (0)
RELATIONSHIP BETWEEN REACTIVITY AND (13)C CHEMICAL SHIFTS OF BENZOCYCLOBUTENES (1975) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 547, SYNTHESIS OF A YOHIMBANE DERIVATIVE BY THERMOLYSIS (1974) (0)
Asymmetric Synthesis of Bioactive Natural Products and Related Compounds from Chiral Propane-1,3-diols and Analogues (2010) (0)
A Novel and General Route to Diverse A‐Ring Aromatic Trichothecanes via Cyclobutanes. (1996) (0)
STUDIES OF THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 744. A SYNTHESIS OF 1-BENZAZOCIN-5-ONES FROM 2,3-DIHYDRO-1H-PYRROLO(1,2-A)INDOLES, A SYNTHETIC APPROACH TO THE MITOMYCINS (1978) (0)
A stereoselective synthesis of a functionalized tricyclo[6.3.1.03,8]dodec-4-ene by an intramolecular Diels-Alder reaction (1984) (0)
SYNTHETIC STUDIES ON β-LACTAM ANTIBIOTICS. PART 14. SYNTHESIS OF 7H-AZETO(1,2-α)THIENO(2,3-C)PYRIDINE DERIVATIVES (1979) (0)
Construction of Polycyclic Ring Systems Fused to Cyclobutane by Sequential Three Reactions, Ring Opening of Cyclopropane‐Michael‐Aldol Reaction Sequence (1994) (0)
Concise and Practical Approach to Chiral Des‐A B‐Trienic Corticosteroids. (1994) (0)
Facile Construction of the Bicyclo(6.4.0)dodecane System by the Intramolecular Michael Addition of Sulfonyl Carbanion. (1996) (0)
NITRENES PART 15, 1-HYDROXYMETHYL-4,5-DIMETHOXY-7H-AZIRINO(1,2-A)-INDOLE-7A-CARBOXYLIC ACID GAMMA-LACTONE, A NITRENE ADDITION COMPOUND (1975) (0)
A Novel Chiral Approach to trans‐3a,4,5,9b‐Tetrahydro‐1H‐benz(e)indene. (1992) (0)
STUDIES ON THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS. PART 698. AN ALTERNATIVE PROTOBERBERINE SYNTHESIS, TOTAL SYNTHESIS OF (.+-.)-XYLOPININE, (.+-.)-SCHEFFERINE, (.+-.)-NANDININE, (.+-.)-CORYDALINE, AND (.+-.)-THALICTRICAVINE (1977) (0)
Aphidicolin Synthesis. Part 2. An Expeditious and Efficient Formal Synthesis of (.+-.)-Aphidicolin. (1995) (0)
Total Synthesis of Hydrocinchonidine and Hydrocinchonine from an Indole Derivative via Oxidation with Singlet Oxygen. (1986) (0)
SYNTHESES OF HETEROCYCLIC COMPOUNDS. CDXXXIV. NOVEL TOTAL SYNTHESIS OF OLIVACINE (1,5-DIMETHYL-6H-PYRIDO(4,3-B)CARBAZOLE) (1976) (0)
Ring Expansion of Cyclopropylmethanols to Cyclobutanes - An Enantioselective Total Synthesis of (R)-(+)-Dodecan-5-olide, and (S)-(+ )- and (R)-(-)-5-((Z)-Dec-1-enyl)dihydrofuran-2(3H)-one. (2010) (0)
AN EFFICIENT, STEREOSELECTIVE METHOD FOR THE CONSTRUCTION OF ANTI-TRANS-4,5-(4′-OXO-1′,2′,3′,4′-TETRAHYDROBENZO)HYDRINDAN - A POSSIBLE INTERMEDIATE TO ESTRADIOL AND CORTISONE (1981) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 548, SYNTHESIS OF A HASUBANAN RING SYSTEM FROM THE BENZYLISOQUINOLINE RETICULINE (1974) (0)
Novel Construction of Polycyclic Systems Fused to Cyclobutane by Tandem Intramolecular Michael-Aldol Reaction. (1992) (0)
Enantioselective Construction of a Quaternary Asymmetric Carbon Center: A Versatile Synthesis of α-Alkyl α-Amino Acids. (1990) (0)
Total synthesis of heterocyclic natural products (2010) (0)
ALKALOIDS OF FORMOSAN CORYDALIS SPECIES. VI. ELUCIDATION OF THE STRUCTURES OF F TWO SPIROBENZYLISOQUINOLINE ALKALOIDS, YENHUSOMINE AND YENHUSOMIDINE, AND TWO BERBINE ALKALOIDS, CORYTENCHINE AND CORYTENCHIRINE, FROM CORYDALIS OCHOTENSI (1976) (0)
SYNTHESES OF QUINAZOLONE ALKALOIDS AND BENZOXAZINONES BY RETRO MASS SPECTRAL SYNTHESIS AND RELATED ANALYSIS (1977) (0)
REACTION OF PYRROLO(1,2-A)INDOLE-5,8-DIONE DERIVATIVES WITH N-BROMOSUCCINIMIDE IN PROTIC SOLVENTS (1978) (0)
A FACILE SYNTHESIS OF THE SPIROBENZYLISOQUINOLINES AND THE SPIROBENZYLCARBOLINES (1974) (0)
An Enantiocontrolled Formal Total Synthesis of (+)-Ipomeamarone, (-)- Ngaione, and Their Epimers. (1993) (0)
Additions and Corrections - Studies on the Synthesis of Heterocyclic Compounds. 700. Syntheses of Isoquinoline Alkaloids with Cuprous Chloride and Oxygen in Pyridine as an Enzymic Model (1977) (0)
Synthetic Approach to Stemodin (XI). A Novel Stereocontrolled Construction of the Stemodane System by the Successive Intramolecular Diels-Alder Reactions. (2010) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCLXXI. AN ALTERNATIVE TOTAL SYNTHESIS OF YOHIMBINE (1977) (0)
Stereocontrolled Intramolecular Michael-Aldol Reaction Mediated with Bu2BOTf and (TMS)2NH. (1996) (0)
Stereoselective Transformation of Enantiopure Cyclohexenol into cis- Hydrindan. An Enantioselective Formal Total Synthetic Route to (+)- Pumiliotoxin C. (1997) (0)
Studies on the Anti-cancer Agents. VI: The Mechanism of Desulfurization Reaction of Bis( p -nitrobenzyl) Disulfide with Hydrazine Hydrate and the Reaction of Disulfide with various Amines@@@Bis( p -nitrobenzyl) DisulfideのHydrazine Hydrateによる脱硫反応の機構ならびに各種Amine類との反応 (1961) (0)
Arrangement to test ICs (1996) (0)
A Novel Approach to Chiral Cyclobutanes. An Enantioselective Total Synthesis of (+)‐(S,Z)‐5‐(1‐Decenyl)dihydro‐2(3H)‐furanone and (‐)‐(R, Z)‐5‐(1‐Decenyl)dihydro‐2(3H)‐furanone. (2010) (0)
Development of Novel Synthetic Reaction Using Pericyclic Reaction of o-Quinodimethane and Its Application (1989) (0)
Highly Stereocontrolled Synthesis of the Key Intermediate of 1β-Methylcarbapenem Antibiotic via Intramolecular Nitrone 1,3-Dipolar Cycloaddition. (1988) (0)
STEREOSELECTIVE ALDOL REACTION OF A LITHIUM α-VINYL ENOLATE TO α-ALKOXY ALDEHYDES (1984) (0)
A New Stereocontrolled Access to Angularly Disubstituted cis-Decalins via Tandem Radical Ring Expansion and Cyclization. (2010) (0)
FACILE SYNTHESIS OF CARBAPENEM ANTIBIOTICS. THE FIRST AND SIMPLE STEREOSELECTIVE SYNTHESIS OF ANTIBIOTIC PS-5 BENZYL ESTER (1980) (0)
Highly Stereocontrolled Construction of Tricyclo(6.2.2.01,6)dodecanes by Intramolecular Double Michael Reaction. (1987) (0)
The Total Synthesis of (±)-Geneserine. (1986) (0)
Studies on the syntheses of heterocyclic compounds. Part DCLV.. Two stereoisomers of 1-benzyl-5-hydroxy-6-(4-methoxybenzyl)-4,5-dimethylpiperidin-2-one† (1976) (0)
New heterocyclic natural products (2010) (0)
SYNTHESIS OF 2,3-DIHYDRO-1H-PYRROLO(1,2-A)INDOLES BY INTRAMOLECULAR NUCLEOPHILIC AROMATIC SUBSTITUTION (1976) (0)
Asymmetric Syntheses of Chiral Propane-1,3-diols Starting from Malonic Acid. (1989) (0)
The Novel Formation of a Dibenzocyclohepta[b]pyridine by an Abnormal Hofmann Degradation of a Diohenolic Tetrahydroprotoberberinium Salt (1974) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 554, A TOTAL SYNTHESIS OF (+-)-COREXIMINE BY THERMOLYSIS (1974) (0)
SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCXXIX. READY SYNTHESIS OF INDENO(2,1-A)(3)BENZAZEPINES (1976) (0)
THE DIRECTION OF THE RING CLOSURE OF N-FUROYLTRYPTOPHAN (STUDIES ON THE SYNTHESES OF THE HETEROCYCLIC COMPOUNDS PART 586) (1975) (0)
SYNTHESIS OF ANDROCYMBINE AND RELATED HOMOMORPHINANDIENONES (1973) (0)
Use of an Electrocyclic Reaction of o‐Quinodimethane and an Intramolecular Mannich‐Type Cyclization in Diterpene Alkaloid Synthesis: A Synthesis of Nagata′s Intermediate for (.+‐.)‐Atisine. (1989) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 680. ABNORMAL FORMATION OF APORPHINE DERIVATIVES BY GREWE CYCLIZATION (1977) (0)
SYNTHESIS OF HEXADEHYDRO-17-METHOXY-YOHIMBANE (1974) (0)
Chiral Cyclobutanones as Versatile Synthons: The First Enantioselective Total Synthesis of (+)-Laurene (XV). (2010) (0)
Chiral Construction of the Estrane Ring System by an Intramolecular Double Michael Reaction. (1989) (0)
DECARBOXYLATION OF TRYPTOPHAN AND A SYNTHESIS OF HARMAN (STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 606) (1975) (0)
SYNTHESES OF HETEROCYCLIC COMPOUNDS THROUGH O-QUINODIMETHANE INTERMEDIATES (1975) (0)
Studies on the Syntheses of Heterocyclic Compounds. LIII. The Formation of Vanillide and Polyvanillide. (1959) (0)
45(PA1-3) TOTAL SYNTHESES OF STEROIDS AND TERPENES VIA INTRAMOLECULAR DOUBLE MICHAEL REACTION (1987) (0)
A NOVEL FORMATION OF (+-)-GLAZIOVINE THROUGH NITRENIUM INTERMEDIATE (1974) (0)
Synthesis of 4,4-Disubstituted Isochroman-3-one by a Tandem Electrocyclic-Sigmatropic Reaction and Its Application to the Synthesis of Natural Products. (1986) (0)
Stemodin Synthesis. Part 2. Highly Diastereoselective Formal Total Synthesis of (.+‐.)‐Stemodin via Pd2+‐Promoted Cycloalkenylation Reaction. (1994) (0)
Pd0 and/or Pd2+‐Promoted Cyclization in cis‐Hydrindane Synthesis ‐ Building Blocks for Natural Product Synthesis. (1995) (0)
ABNORMAL HOFMANN DEGRADATION OF TETRAHYDROPROTOBERBERINIUM SALTS (1974) (0)
A Stereoselective Total Synthesis of 11-Oxoprogesterone, a Precursor to the Corticosteroids, via an Intramolecular Cycloaddition Reaction. (1987) (0)
STUDIES ON THE SYNTHESE OF HETEROCYCLIC COMPOUNDS PART 595, THE STEREOCHEMISTRY OF METHYL O-(4-HYDROXY-3-METHOXYCINNAMOYL)RESERPATE (1975) (0)
A Convenient Access to 3,4-Disubstituted Isoquinolines from Benzocyclobutenyl Ketoximes. (1989) (0)
A NOVEL METHOD FOR ACETALIZATION OF THE FORMYL GROUP AT THE C3-POSITION OF THE 2,3-DIHYDRO-1H-PYRROLO(1,2-A)INDOLE SKELETON (1977) (0)
Aromatic Versions of Claisen Rearrangement of Lactonic Silyl Enolates. (1986) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 682. SIX NEW ISOQUINOLINE ALKALOIDS FROM CORYDALIS OCHOTENSIS VAR. RADDEANA (1977) (0)
STRUCTURE ELUCIDATION OF TWO NEW TETRAHYDROPROTOBERBERINE ALKALOIDS, CORYTENCHINE (I) AND CORYTENCHIRINE (II) (1975) (0)
Asymmetric Construction of α,α‐Disubstituted Cyclobutanones ‐ Enantioselective Total Synthesis of (‐)‐Frontalin. (1992) (0)
1,2‐Asymmetric Induction in Intramolecular Michael Reaction. A Novel and Enantioselective Route to (+)‐Geissman Lactone. (1987) (0)
STUDIES ON THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS. 726. THERMAL REARRANGEMENT OF AMINOMETHYL CYCLOPROPYL KETONES AND A NOVEL SYNTHESIS OF PENTAZOCINE (1978) (0)
Radical Cyclization with High Diastereofacial Selectivity: Asymmetric Synthesis of (+)-12b-Epidevinylantirhine. (1997) (0)
FORMATION OF MORPHINANDIENONE-TYPE COMPOUND THROUGH METHYLENEDIOXY CLEAVAGE BY PSCHORR CYCLIZATION (1974) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCCLV. IMINOKETENE CYCLOADDITION. (4). ALTERNATIVE SYNTHESES OF 5,6,7,8-TETRAHYDRO-2,3-DIMETHOXY-8-OXOISOQUINOLO(1,2-B)QUINAZOLINE AND RUTECARPINE (1978) (0)
NITRENE PART 13, NOVEL CONVERSION OF 2-NITROPHENYL SUBSTITUTED BUTYROLACTONES INTO INDOLES WITH TRIETHYL PHOSPHITE (1974) (0)
Sulfur‐Mediated Intramolecular Double Michael‐Type Reaction: Synthesis of trans‐Hydroindans and Mechanism. (1993) (0)
Enantioselective Synthesis of the Key Intermediate of a 1β-Methylcarbapenem Antibiotic by Way of Nitrone 1,3-Dipolar Cycloaddition. (1990) (0)
SYNTHETIC STUDIES ON β‐LACTAM ANTIBIOTICS. III. SYNTHESIS OF NEW BICYCLIC β‐LACTAM RING SYSTEM, 12‐OXO‐4,8‐DITHIA‐1‐AZABICYCLO(8.2.0)DODEC‐2‐ENES (1979) (0)
Enantioselective Synthesis of 6-Oxygenated Atisine Derivative via Intramolecular Double Michael Reaction. (2010) (0)
Synthetic Studies on b-Lactam Antibiotics. VI. Synthesis of 7H-Azeto[1,2-a]thieno[2,3-c]pyridine Derivatives (1979) (0)
Synthetic Studies on b-Lactam Antibiotics III. Synthesis of New Bicyclic b-Lactam Ring System, 12-Oxo-4,8-Dithia-1-azabicyclo[8.2.0]dodec-2-enes (1979) (0)
Construction of Polycyclic Ring Systems Fused to Cyclobutane by Cascade Reactions of Formyl α,β‐Unsaturated Esters. (1996) (0)
Studies on the Synthesis and Conformational Analysis of Some Dibenzo(a,g)quinolizidines. (1975) (0)
Total Synthesis of (.+‐.)‐Hirsutene via Pd2+‐Promoted Cycloakenylation Reaction. (1994) (0)
Pd(II)-Promoted Cyclization in Tetracyclic Diterpene Synthesis. Highly Diastereoselective Formal Total Synthesis of (.+-.)-Stemodin. (2010) (0)
INOC Reaction in Alkaloid Synthesis - Preparation of a Potential Intermediate for the Synthesis of (-)-Reserpine. (2010) (0)
A Highly Stereoselective Total Synthesis of (.+‐.)‐Estrone and (.+‐.)‐Adrenosterone. (1989) (0)
STEREOSELECTIVE TOTAL SYNTHESIS OF NECINE BASES, (.+-.)-RETRONECINE AND (.+-.)-TURNEFORCIDINE (1982) (0)
A Stereoselective Total Synthesis of A9-Progesterone via an Intramolecular Cycloaddition Reaction. (1986) (0)
SYNTHESES OF HETEROCYCLIC COMPOUNDS FROM BENZOCYCLOBUTENE DERIVATIVES BY THERMOLYSIS (1974) (0)
A SYNTHESIS OF BENZOCARBAZOLE DERIVATIVES BY THERMOLYSIS (1974) (0)
SYNTHESIS OF HOMOPROAPORPHINE RELATED COMPOUNDS (1975) (0)
STUDIES ON THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS PART 527, THE ABSOLUTE CONFIGURATION OF 1,2,3,4-TETRAHYDRO-1-PHENYLISOQUINOLINES (1974) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 679. A STEREOSELECTIVE TOTAL SYNTHESIS OF (.+-.)-OPHIOCARPINE, A SIMPLE ROUTE TO 13-HYDROXYBERBINES (1977) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 796. A NEW SYNTHESIS S OF ISOCHROMAN-3-ONES FROM BENZOCYCLOBUTENES; AN APPLICATION TO A TOTAL SYNTHESIS OF SENDAVERINE (1980) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 777. A SYNTHETIC APPROACH TO SECOMITOSANE TYPE OF COMPOUND RELATED TO MITOMYCINS (1979) (0)
Synthesis of 2,6-Disubstituted Dihydronaphthalenes and Naphthalenes by Electrocyclic Reaction of o-Quinodimethane. A Synthesis of (.+-.)-Naproxen. (1990) (0)
A Highly Enantiocontrolled Strategy for the Synthesis of Benzylic Quaternary Carbon Centers. A Formal Total Synthesis of (‐)‐Mesembrine. (1996) (0)
Prepartion of Olefins and Acetylenes via Reductive Elimination with SmI2‐HMPA. (2010) (0)
PHENOL OXIDATION OF ISOQUINOLINE ALKALOIDS WITH CUPROUS CHLORIDE AND OXYGEN IN PYRIDINE AS AN ENZYMIC MODEL. BIOMIMETIC TOTAL SYNTHESIS OF CORYTUBERINE, ISOBOLDINE, PALLIDINE, ORIENTALINONE AND KREYSIGINONE (1976) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 587, A MODIFIED SYNTHESIS OF THE SPIROBENZYLISOQUINOLINES (1975) (0)
A Novel Approach to the Stereocontrolled Synthesis of Steroid Side Chains Including the CD-Ring System: The First Total Synthesis of (+)-8α-(Phenylsulfonyl)-des-AB-cholestane (I) and Its Efficient Conversion into Grundmann′s Ketone (I (1987) (0)
TOTAL SYNTHESIS OF THE PROTOBERBERINE ALKALOID (-)-XYLOPININE BY PHOTOCHEMICAL 1,3-ASYMMETRIC INDUCTION (1982) (0)
A Total Synthesis of Angustine (1975) (0)
Enantiocontrolled Synthesis of Chiral Propane-1,3-diol Derivatives Possessing Fluorinated Quaternary Stereogenic Centers. (1994) (0)
A Novel Approach to Optically Active Des-A C-13 Ethyl Steroids. (1995) (0)
Synthetic Approach to (+)-Aldosterone and Its Relatives. Part 1. (1986) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 678. PHOTORACEMIZATION AND PHOTOEPIMERIZATION OF THE PHTHALIDYLISOQUINOLINE ALKALOIDS (-)-α-NARCOTINE AND (-)-β-HYDRASTINE (1977) (0)
STUDIES ON THE SYNTHESES OF TETRACYCLINE DERIVATIVES. II. THERMOLYTIC CYCLOADDITION OF O‐QUINODIMETHANES WITH TETRAHYDRONAPHTHOQUINONE AND NAPHTHOQUINONE (1978) (0)
A Consice Enantiocontrolled Total Synthesis of (-)-α-Bisabolol ( Ia) and (+)-4-Epi-α-bisabolol (Ib). (1993) (0)
Nmr Spectral Assignment of 6,13-Dihydro-5-oxo-5H-isoquinolino[1,2-b][1,3]benzoxazine (1978) (0)
Deconjugation of α,β‐Unsaturated Esters and an Intramolecular Michael Reaction of Bis‐α,β‐unsaturated Esters with Trialkylsilyl Trifluoromethanesulfonate in the Presence of Tertiary Amine: Synthesis of (.+‐.)‐Ricciocarpin A. (1994) (0)
STUDIES ON THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS. PART 832. A SIMPLE AND EFFICIENT SYNTHESIS OF APOMITOMYCIN DERIVATIVES; POTENTIAL INTERMEDIATE FOR MITOMYCIN SYNTHESIS (1980) (0)
[Studies on the syntheses of heterocyclic compounds. DCCXII. Attempts to the ring-closure of piperidone derivatives by Grewe cyclization (author's transl)]. (1977) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCCXVII. THE REACTION OF METHYLENOMYCIN A METHYL ESTER WITH SEVERAL AMINES AS A NUCLEOPHILE (1978) (0)
Stereoselective Synthesis of (+)‐Testosterone via Intramolecular 1,3‐ Dipolar Cycloaddition of Nitrile Oxide. (1991) (0)
Total Synthesis of (.+-.)-Pentalenic Acid (I) via Intramolecular Double Michael Reaction. (1987) (0)
Synthesis of Potentially Useful Intermediates for 1-Fluorocarbapenems. (2010) (0)
STEREOSELECTIVE SYNTHESIS OF THE BASIC SKELETON OF APHIDICOLAN-TYPE DITERPENES VIA INTRAMOLECULAR DIELS-ALDER CYCLIZATION. SYNTHETIC APPROACH TO APHIDICOLINE (1981) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCCLXVIII. REACTION OF PYRROLO(1,2-A)INDOLE DERIVATIVES WITH N-BROMOSUCCINIMIDE IN PROTIC SOLVENTS (1979) (0)
A Novel Route to the Des-A Corticosteroids. (1988) (0)
Second Generation of Steroid Synthesis via o‐Quinodimethane (1998) (0)
A Novel Approach to Optically Active trans-Benzoperhydroindan (2,3,3a, 3b,4,5-Hexahydro-1H-benz(e)indene). (1991) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS AND NATURAL PRODUCTS. 999. OUBLE ENAMINE ANNELATION OF 3,4-DIHYDRO-1-METHYL-β-CARBOLINE A D ISOQUINOLINE DERIVATIVES WITH 6-METHYL-2-PYRONE-3,5-DICARBOXYLATES AND ITS APPLICATION FOR (1984) (0)
FACILE SYNTHESIS OF 2,3-DIHYDRO-1H-PYRROLO(1,2-A)INDOLES (1976) (0)
First Enantioselective Total Synthesis of (+)‐Cortisone (I). (1991) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 559, A SYNTHESIS OF BENZOCARBAZOLE DERIVATIVES BY THERMOLYSIS (1974) (0)
Pd(II)-Promoted Cyclization in Linear Triquinane Synthesis. Total Synthesis of (.+-.)-Hirsutene. (1994) (0)
Biotransformnation of (±)-Reticuline into (±)-Coreximine with Rat Liver (1975) (0)
Synthesis of Benzo(a)quinolizines by the Intramolecular Double Michael Reaction under Three Different Conditions. (1997) (0)
A Concise and Enantioselective Approach to Cyclobutanones by Tandem Asymmetric Epoxidation and Enantiospecific Ring Expansion of Cyclopropylidene Alcohols. An Enantiocontrolled Synthesis of (+)- and ( -)-α-Cuparenones. (1992) (0)
STUDIES ON THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS PART 597, NOVEL FORMATION OF BENZO(5,6)CYCLOHEPT(1,2,3-IJ)ISOQUINOLINES FROM BERBERINIUM SALTS (1975) (0)
Total synthesis of (±)-pentalenic acid, and(±)-deoxypentalenic acid through an intramolecular double double Michael reaction (1988) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART DCLV. TWO STEREOISOMERS OF 1-BENZYL-5-HYDROXY-6-(4-METHOXYBENZYL)-4,5-DIMETHYLPIPERIDIN-2-ONE (1976) (0)
Vinyl Cyclobutanol Strategy for Halogenated Cyclopentanoids. (1996) (0)
Asymmetric Total Synthesis of Tacamonine (Pseudovincamone I) via Radical Cyclization. (1995) (0)
SOME ASPECTS FOR 1,3-DIPOLAR CYCLOADDITION REACTION OF NITRILE OXIDE WITH METHYL CROTONATE IN THE SYNTHESIS OF CARBAPENAM ANTIBIOTICS (1981) (0)
Reaction of Conjugated Enones with tert-Butyldimethylsilyl Triflate and Intramolecular Annelation. (1986) (0)
STUDIES ON THE SYNTHESIS OF TETRACYCLINE DERIVATIVES PART 1, THERMOLYTIC CYCLOADDITION OF O-QUINODIMETHANES WITH NAPHTHOQUINONE (1975) (0)
TOTALSYNTHESE VON O-METHYLANDROCYMBIN DURCH PHOTOLYSE VON DIAZOTIERTEM ISOCHINOLIN (1970) (0)
CONSTRUCTION OF THE BICYCLO(2.2.2)OCTANE RING SYSTEM BY AN INTRAMOLECULAR DIELS‐ALDER REACTION: A SYNTHETIC APPROACH TO ATISANE (1984) (0)
SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCXLI. CONVENIENT SYNTHESIS OF HEXADEHYDROYOHIMBINE AND A TOTAL SYNTHESIS OF YOHIMBINE (1976) (0)
Studies on the synthesis of heterocyclic compounds. CCCXV. Modified total synthesis of (plus or minus)-galanthamine through phenol oxidation. (1969) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 568, CATALYTIC HYDROGENATION OF (+-)-KREYSIGINONE (1974) (0)
A CARBON‐CARBON BOND FORMATION REACTION AT THE C‐4 POSITION OF A β‐LACTAM (1980) (0)
Anti-cancer Agents. IV. : Desulfurization by Hydrazine Hydrate. (1). : The Reaction of o-, m-, and p-Nitrobenzyl Disulfide with Hydrazine Hydrate. (1960) (0)
THE TOTAL SYNTHESIS OF (+-)-MAPPICINE (1975) (0)
Asymmetric Synthesis of trans-Benzoperhydroindan: Asymmetric Induction in Intramolecular Diels-Alder Reactions of o-Quinodimethanes. (1989) (0)
An Efficient Synthesis of the Naphthalene Moiety of Neocarzinostatin Chromophore. (1989) (0)
SYNTHESIS OF THIENAMYCIN AND ITS RELATED COMPOUNDS (1980) (0)
SYNTHESES OF ISOQUINOLINE ALKALOIDS BY A SYSTEMATIC DESIGN (1973) (0)
A NEW STEREOSELECTIVE SYNTHESIS OF EMETINE AND RELATED ALKALOIDS (1978) (0)
Stereocontrolled Synthesis of Indolo(2,3‐a)quinolizines by Intramolecular Double Michael Reaction: Proof for Stepwise Mechanism. (1996) (0)
High Diastereoselection in the Intramolecular Diels-Alder Reaction of o-Quinodimethanes: An Expedient Entry to trans-Benzoperhydrindans. A Highly Stereoselective Total Synthesis of (.+-.)-Estrone and (.+-.)-Adrenosterone. (1989) (0)
50 TOTAL SYNTHESIS OF (+)-CHENODEOXYCHOLIC ACID (1981) (0)
ONE‐STEP SYNTHESIS OF DIHYDROPYRIDOCARBAZOLE DERIVATIVES (1974) (0)
Palladium-Catalyzed Intramolecular Allylic Alkylation Reaction in Marine Natural Product Synthesis. Enantioselective Synthesis of (+)-Methyl Pederate, a Key Intermediate in Syntheses of Mycalamides. (1999) (0)
STUDIES ON THE SYNTHESES OF TETRACYCLINE DERIVATIVES. III. SYNTHETIC APPROACH H TO ADRIAMYCIN-SYNTHESIS OF THE LINEAR TETRACYCLIC SKELETON HAVING THE SAME BC RING SYSTEM WITH ADRIAMYCIN (1979) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 523, ENZYMIC OXIDATION OF HOMOORIENTALINE WITH HOMOGENISED POTATO PEELINGS (1973) (0)
INOC Reaction in Alkaloid Synthesis - Stereocontrolled Formal Total Synthesis of (+)-Pumiliotoxin C. (1997) (0)
NITRENES PART 14, TRIETHYL PHOSPHITE DEOXYGENATION OF ALPHA-(6-NITROVERATRYLIDENE)-GAMMA-BUTYROLACTONE (1974) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART DCXXXVIII. SIMPLE SYNTHESIS OF BENZ(D)INDENO(1,2-B)AZEPINE FROM 1-BENZOYL-3,4-DIHYDROISOQUINOLINE (1976) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. PART 681. A NOVEL ALKYLATION IN THE 4-POSITION OF ISOQUINOLINE DERIVATIVES (1977) (0)
Tandem Electrocyclic‐Sigmatropic Reaction of Benzocyclobutenes. (1986) (0)
AN EFFICIENT TOTAL SYNTHESIS OF (.+-.)-DECALINE AND (.+-.)-VERTALINE (1983) (0)
Stereoselective Formation of Three Carbon‐Carbon Bonds by Cascade Reaction with Enolate Anion: Synthesis of Tricyclo(6.2.2.01,6)dodecane and Tricyclo(5.3.1.03,8)undecane Derivatives. (1995) (0)

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What Schools Are Affiliated With Keiichiro Fukumoto?

Keiichiro Fukumoto is affiliated with the following schools:

Tohoku University