Seiichi Takano

Seiichi Takano's AcademicInfluence.com Rankings

Seiichi Takano

Chemistry

#4921

World Rank

#6015

Historical Rank

Organic Chemistry

#821

World Rank

#921

Historical Rank

chemistry Degrees

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Chemistry

Seiichi Takano's Degrees

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

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Seiichi Takano'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

A new route to substituted 3-methoxycarbonyldihydropyrans; enantioselective synthesis of (–)-methyl elenolate (1988) (244)
A FACILE CLEAVAGE OF BENZYLIDENE ACETALS WITH DIISOBUTYLALUMINUM HYDRIDE (1983) (113)
Enantioselective synthesis of (−)-kainic acid (1988) (52)
Practical synthesis of some versatile chiral building blocks from (D)-mannitol (1986) (49)
Practical synthesis of (R)-γ-amino-β-hydroxybutanoic acid (GABOB) from (R)-epichlorohydrin (1987) (45)
Concise enantioselective synthesis of acromelic acid A (1987) (44)
Enantiocontrolled total syntheses of (-)-physovenine and (-)-physostigmine (1991) (43)
Efficient Synthesis of (R)-(—)-g-Benzyloxymethyl-g-butyrolactone from (D)-(+)-Mannitol (1981) (43)
The enantiocontrolled total synthesis of natural (–)-goniomitine (1991) (40)
A concise stereocontrolled total synthesis of (+)-estrone (1992) (40)
A novel chiral route to substituted tetrahydrofurans. Total synthesis of (+)-verrucosidin and formal synthesis of (-)-citreoviridin (1988) (38)
Asymmetric construction of optically active 3-hydroxyalkyne functionalities (1989) (37)
A convenient one-flask synthesis of α-methylenealdehydes from primary alcohols (1989) (37)
The enantioselective total synthesis of natural (−)-aphanorphine (1990) (36)
Inversion of enantioselectivity in the kinetic resolution mode of the Katsuki-Sharpless asymmetric epoxidation reaction (1991) (34)
Total Synthesis of (-)-Paeoniflorin (1994) (34)
Preparation of (2R,3S)-1,2-epoxypent-4-en-3-ol, a new chiral building block for the synthesis of (+)-endo- and (–)-exo-brevicomin (1985) (34)
A concise enantioselective route to (–)-kainic acid from (S)-2-(benzyloxymethyl)oxirane (1988) (34)
Enantiocontrolled syntheses of the cuparene sesquiterpenes, (−)-herbertene, (+)-β-cuparenone, (−)-debromoaplysin, and (−)-aplysin (1992) (33)
Enantio-controlled route to the furofuran lignans: the total synthesis of (–)-sesamolin, (–)-sesamin, and (–)-acuminatolide (1988) (33)
Efficient ester exchange reaction of phosphonoacetates (1987) (32)
Enantioselective synthesis of natural mesembrine using (D)-mannitol as a chiral template, a model study for the enantioselective synthesis of the amaryllidaceae alkaloids (1982) (31)
Enantioselective synthesis of (+)-citreoviral using asymmetric hydroxylation of tiglate esters (1985) (31)
Enantiocontrolled synthesis of natural (+)-bakuchiol (1990) (31)
A new enantiospecific route to (–)-kainic acid via the intramolecular Pauson-Khand reaction (1992) (30)
Enantiodivergent Preparation of Chiral 2,5-Cyclohexadienone Synthons (1993) (30)
Efficient enantiospecific synthesis of key A-ring synthons for the preparation of 1.alpha.,25-dihydroxyvitamin D3 using a chromium(II)-mediated reaction (1989) (29)
Chiral synthesis of (+)-eburnamine, (–)-eburnamenine, and (–)-eburnamonine (1985) (29)
An Enantioconvergent Route to (-)-Anisomycin from Both (S)- and (R)-Enantiomers of Epichlorohydrin (1989) (28)
Stereoselective kinetic protonation of chiral γ-lactone enolates (1986) (28)
An enantiospecific route to (6R)-(-)-massoialactone and (4R,6R)-(+)-4-hydroxy-6-pentylvalerolactone (1992) (28)
Enantioselective synthesis of (6S, 7S, 9R, 10R)-6,9-epoxynonadec-18-ene-7,10-diol, a marine natural product (1985) (27)
Stereocontrolled construction of substituted pyrrolidines based on intramolecular protodesilylation reaction. Enantiospecific synthesis of (–)-kainic acid and (+)-allokainic acid from L-serine (1993) (27)
Synthesis of (.+-.)-antirhine from (.+-.)-norcamphor (1980) (27)
Chiral Route to Some Alkaloids through Asymmetric Iodolactonization (1981) (26)
Enantioselective synthesis of (-)-physostigmine. (1982) (26)
Chiral synthesis of both enantiomers of 1,4-dideoxy-1,4-immolyxitol and 1,4-dideoxy-1,4-iminoribitol (1992) (25)
A facile chiral synthesis of the lactone moiety of compactin and mevinolin from (R)-O-benzylglycidol (1989) (25)
Alternative synthesis of (±)-eburunamenine via cleavage of a cyclic dithioacetal of an α-oxo-thione (1977) (25)
Concise synthesis of C2-symmetric trans-2,5-dioxymethylpyrrolidine derivatives by novel cyclization (1989) (24)
Enantioselective synthesis of (−)-elenolic acid and (−)-ajmalicine (1985) (24)
Enantiocomplementary preparation of optically pure 2-trimethylsilylethynyl-2-cyclopentenol by homochiralization of racemic precursors: a new route to the key intermediate of 1,25-dihydroxycholecalciferol and vincamine (1993) (24)
A concise enantioselective synthesis of acromelic acid B from (S)-O-benzylglycidol (1989) (23)
General chiral route to irregular monoterpenes via a common intermediate: syntheses of (S)-lavandulol, cis(1S,3R)-chrysanthemol, (1R,2S)-rothrockene, and (R)-santolinatriene (1985) (23)
Enantiodivergent synthesis of both enantiomers of sulcatol and matsutake alcohol from (R)-epichlorohydrin. (1987) (23)
The first stereoselective synthesis of (+)-nuciferol and (+)-nuciferal (1982) (23)
Concise stereoselective synthesis of (2S,4R)-4-hydroxyproline from (S)-O-benzylglycidol a novel cyclization (1988) (23)
A new entry into the synthesis of the nine-membered indole alkaloids related to cleavamine. A stereospecific synthesis of (dl)-4.alpha.-dihydrocleavamine and (dl)-quebrachamine via the thio-Claisen rearrangement (1976) (23)
A synthesis of (−)-pyrenophorin using 4-DMAP-catalyzed ester exchange reaction of phosphonoacetates with lactols (1987) (23)
Enantio- and stereocontrolled syntheses of branched-chain sugar, L-arcanose and L-olivomycose based on the chemistry of 1-trimethylsilyl-2,3-butadiene (1991) (22)
Enantioselective route to both (+)- and (–)-enantiomers of quebrachamine using a single chiral synthon (1981) (22)
Enantioconvergent route to α-cuparenone from dicyclopentadiene (1989) (22)
Total synthesis of (+)-brefeldin C via Lewis acid mediated cyclization of an epoxy-allylsilane (1989) (22)
Synthesis of racemic cryptostylines I, II, and III by radical cyclization. (1990) (22)
Selective Manipulation of Hydroxy Groups in (2S,3S)-Threitol (1986) (21)
Enantioselective synthesis of (−)-velbanamine and (+)-isovelbanamine using L-glutamic acid as chiral template (1980) (21)
Asymmetric dihydroxylation of a meso-symmetric cyclic diene using AD-mix reagents: a new enantiocontrolled route to conduritol E (1994) (21)
FACILE AND EFFICIENT SYNTHESIS OF ALKYL THIOTOSYLATES USING ANION EXCHANGE RESIN (1983) (20)
Enantio- and stereo-selective synthesis of 2,6-dideoxyhexoses from divinylcarbinol (1986) (20)
Enantiocontrolled synthesis of (+)-aphanorphine from (R)-O-benzylglycidol: assignment of absolute configuration (1989) (20)
A Synthesis of Withasomnine from 4-Phenylpyrazole (1982) (20)
Stereocontrolled route to the δ-benzylidenemethyl-β-hydroxy-δ-lactone system utilizing a new chiral epoxyacetylene building block (1992) (20)
Chiral route to cis-caronaldehyde from D-mannitol (1987) (20)
A Chiral Route to Both Enantiomers of Physostigmine and the First Synthesis of (−)-Norphysostigmine (1990) (20)
Indoline formation by regioselective aryl radical cyclization to azomethine bond (1994) (20)
Letter: Synthesis of the non-tryptamine moiety of the aspidosperma-type indole alkaloids via cleavage of cyclic alpha-diketone monothioketal. An efficient synthesis of (dl)-quebrachamine and a formal synthesis of (dl)-tabersonine. (1976) (19)
Isoquinoline frameworks via aryl radical-initiated 1,6-cyclization (1990) (19)
Regioselective formation of 3-alkoxy-1,2-glycols from 2,3-0-alkylidenetriols with trimethylaluminum (1988) (19)
A Facile Route to Tetrahydroisoquinoline Alkaloids via Sulfoxide Mediated Cyclization (1993) (19)
A New Synthesis of the Synthons for the Functionalized Aspidosperma Alkaloids via a-Ketocarbonium Ion Intermediate (1979) (19)
Enantiocontrolled approach to natural products utilizing (S)-O-benzylglycidol as common chiral precursor (1989) (18)
A novel convergent synthesis of (+)-1.alpha.,25-dihydroxyvitamin D3 using a chromium(II)-mediated coupling reaction (1991) (18)
A Simple Synthesis of the Blue-green Alga Alkaloids, Hyellazole (1981) (18)
Preparation of racemic and chiral alkyl(1,3-butadien-2-yl)methanol derivatives utilizing 1-trimethylsilyl-2,3-butadiene as a diene source (1991) (18)
A facile route to the aromatic bisabolane sesquiterpenes by homobenzylic-homoallylic hydrogenolysis (1993) (17)
Selective formation of chiral glycerol ethers: A synthesis of intermediates of a platelet-activating factor (C18-PAF). (1984) (17)
CHIRALITY CONTROL BY KINETIC PROTONATION: ENANTIOSELECTIVE SYNTHESES OF (+)-VELBANAMINE, (−)-ISOVELBANAMINE, AND (+)-CLEAVAMINE (1982) (17)
SYNTHESIS OF (S)-1-BENZYLGLYCEROL AND (R)-BENZYL 2,3-EPOXYPROPYL ETHER FROM (R)-1-BENZYLGLYCEROL (1983) (17)
An Enantiocontrolled Rotue to Unnatural (+)-Physostigmine (1990) (17)
Novel synthesis of (.+-.)-velbanamine and (.+-.)-isovelbanamine (1980) (17)
New synthesis of (.+-.)-emetine from tetrahydroprotoberberine precursors via an .alpha.-diketone monothioketal intermediate (1978) (17)
Enantioconvergent synthesis of a promising HMG CoA reductase inhibitor NK-104 from both enantiomers of epichlorohydrin (1993) (17)
Synthesis of a potential synthon for the chiral synthesis of the corynanthe-type indole alkaloids: enantioselective total synthesis of (–)-antirhine (1981) (16)
Red-Al promoted intramolecular reductive cleavage of benzyl 4-hydroxy-2-butenyl ether structures. A concise preparation of polyol chiral building blocks (1993) (16)
Stereochemistry of the proposed intermediates in the biosynthesis of mycinamicins (1989) (16)
Practical preparation of optically active O-benzylglycidol from optically active epichlorohydrin (1990) (16)
Enantio-and Stereo-controlled Construction of Tertiary and Quaternary Carbon Centers Using Chiral O-Benzylglycidol as Template (1990) (16)
Synthesis of Versatile Chiral Building Blocks Starting from D-Mannitol (1987) (16)
A Convenient Synthesis of Both Enantiomeric 2,3-Disubstituted 5-Norbornenes from D-Mannitol (1987) (16)
Condensation of a chiral tetrahydro-2-furanthione with diazocarbonyl compounds (1987) (16)
Nucleophilic Cleavage of (2S,3S)-3-Phenylglycidol (1989) (15)
An Enantiocontrolled Synthesis of Phytol by Reiterative Application of the Chiral 3-Hydroxyalkyne Formation Reaction (1991) (15)
Palladium-catalyzed stereospecific 1,4-hydrogen migration of cis-cyclohex-2-en-1,4-diol systems (1993) (15)
A New Route to (+)-2,3-(Isopropylidenedioxy)-4-cyclopentenone via the Optically Active Dicyclopentadiene Intermediate (1989) (15)
Enantiospecific Construction of Quaternary Carbon Center via Intramolecular 1,3-Dipolar Cycloaddition. A New Route to Natural (−)-Mesembrine from (S)-O-Benzylglycidol (1990) (15)
Expedient Preparation and Enantiomerization of Optically Pure Dicyclopentadienone (Tricyclo [5.2.1.02,6] deca-4,8-dien-3-one) (1991) (15)
A New Route to Substituted 3-Methoxycarbonyldihydropyrans. Enantioselective Synthesis of (-)-Methyl Elenolate. (1989) (15)
Remarkable diastereoselectivity exerted by dienophile configuration in intramolecular Diels-Alder reaction of electron deficient heterodienes : new chiral entry into the secoiridoid monoterpenes and the heteroyohimbine indole alkaloids (1990) (15)
A New Synthesis of cis-2,2-Dimethyl-3-hydroxymethylcyclopropanecarboxylic Acid (1984) (14)
A stereoselective route to the prostaglandin intermediate from norbornadiene. (1977) (14)
Enantioselective synthesis of an ant venom alkaloid (–)-[3S-(3β, 5β 8α)]-3-heptyl-5-methylpyrrolizidine (1983) (14)
Asymmetric total syntheses of (+)- and (−)-pulo'upone (1989) (14)
Enantiodivergent Route to the Aromatic Bisabolane Sesquiterpenes via a Chiral Acetylene Alcohol (1989) (14)
Enantiodivergent route to the aromatic bisabolane sesquiterpenes by regio- and stereo-controlled epoxide opening (1988) (14)
An Efficient Stereoselective Preparation of Vitamin E (α-Tocopherol) from Phytol (1990) (14)
Enantiospecific syntheses of paeonilactone A, paeonilactone B, 7S-paeonimetabolin-I, and 7R-paeonimetabolin-I from R-(−)-carvone (1992) (14)
Concise enatio- and stereo-controlled synthesis of (+)-equilenin using chiral cyclopentadienone synthon (1990) (14)
Stereoselective formation of a cyclopentanoid with three contiguous substituents via intramolecular cycloaddition (1985) (13)
Oxidation of alcohols using dimethyl sulfoxide and trichloromethyl chloroformate (1988) (13)
Chichibabin reaction. 3. Chichibabin reaction of 7-methylquinoline and migration of the methyl group in Friedel-Crafts reaction of N-(m-tolyl)- and N-)p-tolyl)-beta-chloropropionamide (studies on the syntheses of heterocyclic compounds. CCXV. (1968) (13)
A NOVEL STEREOSELECTIVE SYNTHESIS OF A CHIRAL KEY INTERMEDIATE FOR THE PREPARATION OF VITAMIN D3 (1984) (13)
A new α-amono acid synthesis via an acetimidate rearrangement (1984) (13)
A Facile Chiral Approach to the Dendrobine Skeleton by Intramolecular Pauson-Khand Reaction. (1992) (13)
A Simple Preparation of Five-Carbon Chiral Allylic and Homoallylic Alcohol Synthons (1987) (13)
Synthesis of Both Enantiomers of γ-Trityloxymethyl-γ-butyrolactone from a Single Progenitor, (S)-(+)-Glutamic Acid (1981) (13)
Efficient Route to γ,δ-Unsaturated Carbonyl Compounds from Allyl Sulfides and α-Diazocarbonyls Using a Rhodium Catalyst (1987) (13)
Diastereodivergent Formation of 2,3-trans:3,4-cis- and 2,3-cis:3,4-trans-2,3,4-Trisubstituted Tetrahydrofurans from the Common 2,5-Disubstituted-4,5-dihydro-1,3-dioxepin: A Diastereocontrolled Route to Furofuran Lignan (±)-Asarinin (1993) (13)
Enantiodivergent route to conduritol C via lipase-mediated asymmetrization (1993) (13)
The Katsuki-Sharpless asymmetric epoxidation of (E)-2,5-dihydroxy-2,5-dimethyl-3-hexene (1991) (13)
A new route to 1-phenylnaphthalenes by cycloaddition: a simple and selective synthesis of some naphthalene lignan lactones (1985) (13)
A radical approach to bharatamine, a unique protoberberine alkaloid from Alangium Lamarckii (1990) (13)
A concise enantioselective synthesis of (+)-muscarine from (R)-O-benzylglycidol [(R)-benzyloxymethyloxirane] (1989) (12)
Enantiodivergent route to both enantiomers of β-santalene and epi-β-santalene from a single chiral template (1987) (12)
Total Synthesis of (±)-Abresoline via [3+2]Cycloaddition (1982) (12)
A new asymmetric route to (+)-vincamine (1986) (12)
Preparation of O-protected (2S,3S)-1,2-epoxy-3-butanols. Enantioselective syntheses of (−)-rhodinose and (+)-epimuscarine iodide (1986) (12)
Enantioselective Synthesis of the α-Pyrone Subunit of Verrucosidin (1993) (12)
Studies on the Syntheses of Heterocyclic Compounds. Part CDLXXXI1. A Simple Preparation of Tryptamine (1972) (12)
Synthetic studies on lythraceae alkaloids via [3+2]cycloaddition. I: Total synthesis of some simple phenylquinolizidine alkaloids and ester alkaloids (1984) (12)
New synthetic routes to synthons for the synthesis of functionalized aspidosperma alkaloids (1979) (12)
A concise enantiocontrolled route to (+)-patulolide C (1994) (12)
A new synthesis of a steroid side chain via stereocontrolled protonation: synthesis of (–)-desmosterol (1983) (12)
Synthesis of Optically Active 4-Benzyloxymethyl- and 4-(4-Methoxyphenoxy)methylbuten-2-olides via Lipase-Mediated Resolution (1993) (12)
Enantioselective synthesis of (+)-quebrachamine using L-glutamic acid as a chiral template (1980) (11)
Recent Developments of the Enantioselective Synthesis of Natural Products Utilizing Optically Active O-Benzylglycidol (1989) (11)
Enantioselective synthesis of the gibbane framework (1981) (11)
Total synthesis of (±)- and (+)-latifine (1985) (11)
Enantioselective synthesis of a C/D-ring synthon for the preparation of vitamin D3 metabolites (1989) (11)
Asymmetric synthesis of a prostaglandin intermediate using micro-organisms (1976) (11)
Enantiodivergent synthesis of both enantiomers of ibuprofen from (2S,3S)-3-phenylglycidol (1989) (11)
Racemization of (−)-Vincadifformine Using Microwave Oven (1989) (11)
A Facile Synthesis of (S)-5-Benzyloxymethyl-2-oxo-2,5-dihydrofuran via D-5-O-Benzyl-2-deoxyxylono-1,4-lactone (1984) (11)
An Efficient Synthesis of (S)-O-Benzylglycidol (1985) (10)
CHIRALITY INVERSION OF THE 1,3-GLYCOL SYSTEM AND ITS APPLICATION TO THE SYNTHESIS OF THE CARBAPENEM INTERMEDIATE (1983) (10)
New synthesis of (±)-meroquinene aldehyde and its epimer from (±)-norcamphor (1979) (10)
Katsuki-Sharpless asymmetric epoxidation of allylic-homoallylic alcohols sharing the central olefinic bond (1992) (10)
Enantiocomplementary Resolution of 2-Phenylthio-2-cyclopentenol and 2-Phenylthio-2-cyclohexenol Using the Same Lipase (1994) (10)
A double Diels-Alder reaction of a C2-symmetric bis-dienophile: a new enantioselective approach to natural loganin (1987) (10)
Concise enantioselective synthesis of a key synthetic intermediate for anticancer anthracyclines based on the chemistry of 1-trimethylsilylbuta-2,3-diene (1991) (10)
Enantiocomplementary synthesis of functionalized cycloalkenol building blocks using lipase (1992) (10)
An Alternative Route to (±)-Emetine and (±)-Dihydrocorynantheine (1981) (10)
Silicon-mediated isoquinoline alkaloid synthesis: a new route to the dibenzopyrrocoline alkaloid (±)-cryptaustoline (1987) (10)
The first enantiocontrolled synthesis of (3S,8S)-(-)-4,6-decadiyne-1,3,8-triol isolated from a toxic mushroom gymnopilus spectabilis (1991) (10)
Concise enantioselective synthesis of (–)-gloeosporone from (S)-O-benzylglycidol [(S)-benzyloxymethyloxirane] (1988) (10)
Stereo-controlled synthesis of (–)-ajmalicine and (–)-tetrahydroalstonine (1988) (10)
Enantiocontrolled Route to Optically Pure Carvone Using Chiral Cyclohexa-2,5-dienone Synthon (1993) (9)
Efficient chiral route to a key building block of 1,25-dihydroxyvitamin D3 via lipase-mediated resolution (1992) (9)
A stereoselective route to E-3-hydroxyalkenyl phenyl sulfides (1993) (9)
Concise enantiodivergent synthesis of eutypoxide B (1993) (9)
Generation and Reaction of a Transition Metal Stabilized But-2-yne-1,4-dicarbenium Ion: The First Example of the Double Nicholas Reaction (1992) (9)
Two Facile Routes to the Intermediates for the Syntheses of Aspidosperma Indole Alkaloids, Vindoline and Vindorosine (1977) (9)
Synthetic studies of vitamin D analogs. XXII. Synthesis and antiproliferation activity of putative metabolites of 1 alpha, 25-dihydroxy-22-oxavitamin D3. (1996) (9)
Enantiocomplementary resolution of 4-hydroxy-5-(4-methoxyphenoxy)-1-pentyne using the same lipase (1993) (9)
Enantiocontrolled synthesis of optically pure 5-trimethylsilyl- and 5-tributylstannyl-cyclohex-2-enones (1993) (9)
Non-hazardous preparation of 3-acetoxy- and 3-oxodicyclopentadienes (1994) (9)
Practical synthesis of (S)-1-octyn-3-ol : a key intermediate for the prostaglandin synthesis (1990) (9)
Inversion of Diastereo- and Enantiofacial Selectivities in the Katsuki-Sharpless Asymmetric Epoxidation of (E)-Alkenylethylene Glycols (1991) (9)
Diastereodivergent synthesis of optically active trans- and cis-6-benzyloxymethyl-4-hydroxytetrahydro-2-pyrones via 3-hydroxyalkenyl phenyl sulfides (1993) (8)
Stereocontrolled synthesis of (±)-coryantheidol from (±)-norcamphor (1980) (8)
Diastereofacial selectivity in Diels–Alder reactions of buta-1,3-dienes having stereogenic allylic heteroatom substituents at the C-2 position (1992) (8)
Silicon-mediated isoquinoline alkaloid synthesis: novel route to (±)-xylopinine and (±)-laudanosine (1982) (8)
An enantio- and stereo-controlled synthesis of L-erythro- and D-threo-C18-sphingosines via the anomalous version of the katsuki–sharpless asymmetric epoxidation reaction (1991) (8)
Concurrent reductive cleavage and recombination of γ,δ-alkylidenedioxy-α,β-unsaturated esters promoted by organocuprates (1988) (8)
General synthetic approach to the quinolizidine alkaloids via a [2 + 3]-cycloaddition (1981) (8)
Enantioselective Preparation of Functionalized Cyclopentanes Using Lewis Acid Mediated Cyclization of Epoxy Allylsilanes: Enantiocontrolled Total Synthesis of (+)-Brefeldin A (1990) (8)
Synthesis of the Ipecac Alkaloids from Norcamphor (1982) (8)
A concise diastereoselective route to racemic samin, the general furofuran lignan precursor (1993) (8)
An Improved Synthesis of γ-Crotonolactone (2-Buten-4-olide) (1974) (8)
A New Synthesis of β-Phenylethyl Alcohols and Phenyl-Acetic Acids via Hydroboration of Phenylketene Dihalides (1976) (8)
Total Syntheses of Didemnenones C and D (1995) (8)
An Efficient Route to Hydroxy-1-alkenyl Phenyl Sulfides by an Eliminative Ring-Cleavage Reaction (1992) (8)
Enantiocontrolled Synthesis of Two Amino Acids; (S)-Glutamic Acid and (S)-2-Aminoadipic Acid (1994) (8)
Efficient Preparation of Potentially Useful Chiral Cyclopentanoid Building Blocks Based on C2 Symmetry (1990) (8)
Stereocontrolled synthesis of (±)-deoxypodophyllotoxin via the benzyl equivalent of the Peterson reaction (1985) (8)
A Practical Synthesis of (R)-Methoxy(phenyl)acetic Acid (1989) (7)
An Efficient Synthesis of Optically Active 4-Benzyloxy-3-hydoroxy-1-butyne and Its Cross-Coupling Reaction (1992) (7)
Chapter 5 Alkaloids of the Calabar Bean (1990) (7)
Formation of indole derivatives by phenolic oxidative coupling (1971) (7)
AN ENANTIOSELECTIVE ROUTE TO AN INTERMEDIATE OF THE CARBAPENAM SYSTEM FROM THE CHIRAL γ-BUTYROLACTONE (1982) (7)
Synthesis of postulated metabolites of 1α,25-dihydroxy-22-oxavitamin D3 (1994) (7)
A facile conversion of natural (R)-mevalonolactone into a vitamin E key intermediate (1990) (7)
AN ENANTIOCONVERGENT CONSTRUCTION OF THE KEY INTERMEDIATE OF (+)-VINCAMINE (1996) (7)
Chiral Synthesis of Novel α-Yohimbane Alkaloids (−)-Nitraraine and (−)-Dihydronitraraine (1989) (7)
Synthesis of Melanthioidine Derivative by Double Ullmann Reaction (Studies on the Syntheses of Heterocyclic Compounds. CCXXVI) (1968) (7)
Total synthesis of (+)-polyzonimine (1984) (7)
Studies on the syntheses of heterocyclic compounds. Part CDLIII. Total synthesis of (±)-ochrobirine (1972) (7)
Stereospecific total synthesis of (±)-ochrobirine (1971) (7)
General Stereoselective Route to (E)-3-Hydroxy-1-alkenyl Chlorides and Phenyl Ethers (1994) (7)
The total synthesis of (.+-.)-latifine. (1985) (7)
Synthesis of a potential camptothecin intermediate (1973) (7)
Configurational correlations of some secondary alcohols by 1H NMR spectroscopy (1988) (7)
Use of the Sharpless asymmetric dihydroxylation as a substitute for the Katsuki-Sharpless asymmetric epoxidation : an alternative route to vitamin E and prostaglandin intermediates (1994) (7)
[Ochotensine and related compounds. I. Syntheses of ochotensine related compounds (studies on the synthesis of heterocyclic compounds CCLI)]. (1968) (6)
Practical route to both (S)- and (R)-enantiomers of O-(4-methoxyphenyl)glycidol using (S)-1,2-O-isopropylideneglycerol as a common precursor (1990) (6)
Versatile chiral building blocks bearing a secondary methyl group from (S)-O-benzylglycidol (benzyloxymethyloxirane) (1987) (6)
A new route to the emetine alkaloids intending for a chiral synthesis. A synthesis of (dl)-protoemetinol and a formal synthesis of (dl)-emetine from (dl)-norcamphor (1978) (6)
[Syntheses of 1-substituted isoquinoline and 1,4-benzoxazepine derivatives by pomeranz-fritsch reaction (studies on the syntheses of heterocyclic compounds. CCCXX]. (1969) (6)
Ochotensine and related compounds. II. A synthesis of iso-ochotensine. (Studies on the syntheses of heterocyclic compounds. CCLXXV )†‡ (1969) (6)
Total synthesis of (-)-discretine (2,10,11-trimethoxy-13a -berbin-3-ol). (1972) (6)
Preparation of Chiral Fluorine Compounds from (2S,3S)-3-Phenylglycidol (1989) (6)
Bisbenzylisoquinoline alkaloids and related compounds. VI. A modified total synthesis of the stereoisomeric mixture of dauricine. (1966) (6)
Chiral Routes to Naturally Occurring Oxacyclic Compounds (1986) (6)
Conversion of 2,3-O-cyclohexylidene-(D)-ribonolactone into 2,3-O-cyclohexylidene-(L)-ribonolactone (1988) (6)
Chichibabin Reaction. IV. : Chichibabin Reaction of 5- and 6-Methylquinolines. : Studies on the Syntheses of Heterocyclic Compounds CCXXIV (1968) (6)
The Total Synthesis of (±)-Sikkimotoxin via the Benzo-Peterson Reaction (1987) (6)
Synthetic Studies Toward Paenoiflorin: Preparation of the Highly Functionalized Pinane Skeleton Utilizing Intramolecular Hosomi-Sakurai Reaction (1992) (6)
First example of intramolecular 1,3-dipolar cycloaddition of non-stabilized azomethine ylide generated from tertiary amine N-oxide (1992) (6)
Coupling of (-)-Vindoline with (±)-Eburnamenine, Structure and Stereochemistry of the Dimeric Products (1977) (6)
A simple chiral synthesis of both (R)- and (S)-mevalonolactones from a single precursor via diastereocontrolled oxygenation (1984) (6)
A Facile Route to (±)-Quebrachamine (1981) (6)
A New Synthesis of Steroid Side Chain via Stereocontrolled Protonation: Synthesis of Naturally Occurring Methyl (20S)-3b-Hydroxycholenates (1983) (6)
A NEW METHODOLOGY FOR THE CONSTRUCTION OF CHIRAL 4-BENZYL-2-FURANONE VIA C2-SYMMETRIC BIS-RADICAL INTERMEDIATE (1991) (6)
Studies on the syntheses of heterocyclic compounds—DXXIII : Enzymic oxidation of homoorientaline with homogenised potato peelings (1973) (5)
REITERATIVE THIO-CLAISEN REARRANGEMENT USING A THIOLACTAM SUBSTRATE (1982) (5)
New synthetic route to mono- and di-γδ-unsaturated NN-dialkylthionamides by the thio-Claisen rearrangement based on acyclic NN-dalkylthioamides (1976) (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)
ENANTIOSELECTIVE REDUCTION OF CHIRAL ACETOACETATE ESTERS (1984) (5)
A SIMPLE SYNTHESIS OF (R)-GLYCEROL ACETONIDE FROM ASCORBIC ACID (1982) (5)
Chiral Synthesis of (R)-(+)-Citronellal via Stereoselective Protonation (1987) (5)
A Synthesis of Pandaca Alkaloids, 20aH -Dihydrocleavamine and 20bH -Dihydrocleavamine (1981) (5)
Syntheses of β-Carboline Derivatives. II. Pentacyclic β-Carboline Analogs of Alstoniline and Tetrahydrobenzindoloquinolizines. (1959) (5)
Asymmetric dihydroxylation of a meso-symmetric cyclic diene using AD-mix reagents: a new enantiocontrolled route to conduritol E. [Erratum to document cited in CA120:134996] (1995) (5)
EFFICIENT ENZYMATIC PREPARATION OF (+)- AND (-)-COREY LACTONE DERIVATIVES (1991) (5)
Enantioselective synthesis of the gibbane framework using L-glutamic acid as chiral template (1981) (5)
Studies on the syntheses of heterocyclic compounds. Part DXCVII. A synthesis of dienone analogs by electrolytic oxidation (1975) (5)
[Coclaurine and related compounds. I. Syntheses of dl-coclaurine and dl-O-benzyl-N-methylcoclaurine. (Studies on the syntheses of heterocyclic compounds 103.)]. (1965) (5)
A total synthesis of isoliensinine (1969) (5)
Enantiospecific synthesis of (+)-paeonilactone C and (+)-paeoniflorigenone from R-(−)-carvone (1994) (5)
STEREOSELECTIVE SYNTHESIS OF (±)-SEMBURIN AND (±)-ISOSEMBURIN USING A COMMON BICYCLIC PRECURSOR (1982) (5)
A Facile Synthesis of (S)-O-Benzylglycidol (1991) (5)
Practical Synthesis of (R)-γ-Amino-β-hydroxybutanoic Acid (GABOB) from (R)-Epichlorohydrin. (1987) (4)
ANOTHER SYNTHESIS OF (±)-MESEMBRINE USING A SYMMETRIC STARTING MATERIAL (1981) (4)
[A novel dehydrazination reaction. VI. The formation of various amides from heterocyclic carboxylic acids hydrazides in the presence of chloral. (Studies on the syntheses of heterocyclic compounds. CL)]. (1966) (4)
DIELS-ALDER REACTION OF FURFURYLAMINE DERIVATIVES WITH MALEIC ANHYDRIDE AND ITS STEREOCHEMISTRY (1981) (4)
[Nitrene. IX. The reaction of -(2-nitrobenzoyl)-2-nitrostyrene derivatives with triethyl phosphite (studies on the syntheses of heterocyclic compounds. CDXXXV]. (1971) (4)
A practical convergent route to (23S,25R)-1α,25-dihydroxyvitamin D3 26,23-lactone (1992) (4)
A concise enantio- and stereocontrolled synthesis of (+)-Ramulosin from (R)-O-benzylglycidol (1989) (4)
Silicon-Mediated Berbine Synthesis: Synthesis of 11,12-Methylenedioxy-2,3-dimethoxy-7,8,13,14-tetrahydroprotoberberine (1983) (4)
A new route to the olivacine type alkaloid ring system via the fischer base intermediate. A simple synthesis of 6H-pyrido-[4,3-b]-carbazole (1979) (4)
A novel formation of the indole derivatives by phenolic oxidative coupling (1970) (4)
Head-to-tail coupling of 1,2,3,4-tetrahydro-7-hydroxy-1-(4-hydroxy-phenethyl)-6-methoxy-2-methylisoquinoline by enzymic phenolic oxidation (1969) (4)
Resolution of racemic o-(4-methoxyphenyl)-glycidol (1992) (4)
Ring Expansion of Spirocyclic Dithioketals via 1,3-Sulfur Migration by the Mitsunobu Reaction (1993) (4)
An enantiocontrolled route to protomycinolide IV and its presumed biogenetic precursors using (S)-O-benzylglycidol (1992) (4)
EFFICIENT SYNTHESIS OF TRYPTAMINE (1977) (4)
A New Synthetic Route to the Corynanthe Type Indole Alkaloids Using (±)-Norcamphor (1981) (4)
Enantiocontrolled synthesis of the C9-27 segment of milbemycin K from (R)- and (S)-epichlorohydrins (1992) (4)
Studies on the syntheses of heterocyclic compounds. Part CCCLXXXIV. The formation of β-hydroxyreticuline by enzymic phenolic oxidation with homogenised Papaver rhoeas and hydrogen peroxide (1971) (4)
ENANTIOSELECTIVE SYNTHESES OF (−)-SEMBURIN AND (−)-ISOSEMBURIN (1982) (4)
The synthesis and cleavage of imidazo[2,3‐a]phthalazine, a new heterocyclic ring system (1966) (4)
Bisbenzylisoquinoline alkaloids and related compounds. V. A total synthesis of diastereoisomeric mixture of liensinine. (1966) (4)
A Novel Route to a 16-Subatituted Nine-members Indole Alkaloid Related to Quebrachamine and Cleavamine (1980) (4)
Synthetic approach to (±)-vincamine via cleavage of an α-diketone monothioacetal. Alternative synthesis of (±)-eburnamine, (±)-isoeburnamine, and (±)-eburnamenine (1980) (4)
[Studies on the syntheses of heterocyclic compounds. CLXXVII. Synthesis of sendaverine derivatives and investigation of their IR and NMR spectra]. (1967) (4)
AN EFFICIENT SYNTHESIS OF CIS-OXABICYCLO(3.3.0)OCT-6-EN-3-ONE (1981) (3)
[Studies on the syntheses of heterocyclic compounds. CDXXX. Synthesis of camptothecin and related compounds. II. A synthesis of 4-ethyl-4-hydroxy-5-methoxy-6-methyl-3-oxo-1,2,3,4-tetrahydro-2,7-naphthyridine]. (1971) (3)
Studies on the syntheses of heterocyclic compounds. part CDLV. The mass spectral investigation and synthesis of the ochotensinan skeleton (1972) (3)
Stereochemistry of the dibenzopyrrocoline alkaloids cryptaustoline and cryptowoline (1987) (3)
Enantiocontrolled Synthesis of Bioactive Natural Products Utilizing Chiral O-Benzylglycidol as Common Chiral Building Block (1991) (3)
Enzymic phenol oxidation. 3. Head-to-head coupling of 1,2,3,4-tetrahydro-7-hydroxy-1-(4-hydroxyphenethyl)-6-methoxy-2-methylisoquinoline with homogenised Wasabia japonica Matsumura and hydrogen peroxide. (1969) (3)
A synthetic approach to camptothecin. (1970) (3)
[Studies on the syntheses of heterocyclic compounds. CDLXXVI. Syntheses of camptothecin and related compounds. IV. A synthesis of 8-cyano-7-ethoxycarbonyl-9,11-dihydro-9,11-dihydro-9,11-dioxoindolizino(1,2-b)quinoline]. (1972) (3)
Synthesis of Stereoisomeric Mixture of Daurinoline (Studies on the Syntheses of Heterocyclic Compounds. CCXLIX) (1968) (3)
A SIMPLE ROUTE TO (.+-.)- AND (+)-TRACHELANTHAMIDINE (1981) (3)
DIELS-ALDER REACTION OF FURFURAL DERIVATIVES AND ITS APPLICATION (1982) (3)
A new synthesis of (+)-didemnenones A and B (1990) (3)
SYNTHESIS OF METHYL 3(R)-METHYL-5-OXOPENTANOATE, A POTENTIAL CHIRAL SYNTHON FOR VERSATILE NATURAL PRODUCTS, FROM COMMON CHIRAL INTERMEDIATES (1981) (3)
Novel Deuteration via Acetylene Bond Migration (1987) (3)
A Facile Synthesis of (R)-1-Benzyloxy-3-buten-2-ol (1988) (3)
Kinetically Controlled Alkylation and Protonation of the 2-Oxabicyclo[3.2.1]octan-3-one System (1982) (3)
Reinvestigation of the Diels-Alder reaction of (E)-(R)-4,5-di-O-isopropylidenepent-2-enoates and cyclopentadiene (1988) (3)
Electrolytic oxidation. I. Phenolic oxidation of p-cresol by electrolysis (Studies on the syntheses of heterocyclic compounds. CCXXXVII. (1968) (3)
Enantiodivergent Preparation of Chiral 2,5-Cyclohexadienone Synthons. (1994) (3)
[Studies on the syntheses of heterocyclic compounds. CDLXXIV. Syntheses of camptothecin and related compounds. 3. A synthesis of 12-ethyl-6,7,10,12,13,13a-hexahydro-12-hydroxy-1H,9H-furano (3,4-g)indolo(3,2-d)quinolizine]. (1972) (3)
[Selective demethylation of 1-substituted-6,7-dimethoxy-3,4-dihydroisoquinoline derivatives and modified total synthesis of (plus or minus)-salsoline (studies on the syntheses of heterocyclic compounds. CLXV.)]. (1967) (2)
A facile synthesis of the substituted tetrahydronaphthalenes by the benzo-Peterson reaction (1985) (2)
SIMPLE SYNTHESIS OF 3β,24-DIHYDROXYCHOL-5-EN-7-ONE BY OXIDATIVE CLEAVAGE OF THE SIDE CHAIN OF CHOLESTEROL (1985) (2)
ASYMMETRIC SYNTHESIS OF (-)-NORCAMPHOR USING L-PROLINE PERCHLORATE (1978) (2)
An Alternative Synthesis of (S)-(+)-g-Hydroxymethyl-g-butyrolactone from (D)-(+)-Mannitol (1981) (2)
Regioselective Formation of 3‐tert‐Alkoxy‐1,2‐glycols from 2,3‐O‐Alkylidenetriols with Trimethylaluminum. (1988) (2)
A route to key fragments of mycoticin B and amphotericin B from (S)-O-benzylglycidol. (1988) (2)
A New Prostaglandin Synthon from the 4-Oxatricyclo [4. 3. 0. 03, 7] non-8-ene System. A Total Synthesis of (±)-Prostaglandin F2a (1979) (2)
[Reactions of several polyfunctional compounds containing amino, hydroxyl, or carboxyl groups with mesyl chloride. (Studies on the syntheses of heterocyclic compounds. CXXXVII]. (1966) (2)
A NEW ROUTE TO (.+-.)-CIS-2-OXABICYCLO(3.3.0)OCT-6-EN-3-ONE, A PROSTAGLANDIN SYNTHON (1978) (2)
Efficient Enzymatic Preparation of (+)‐ and (‐)‐Corey Lactone Derivatives. (1992) (2)
Synthesis of the Chiral Synthon for the Enantioselective Syntheses of the Eburnamine Type Alkaloids (1982) (2)
Practical Route to Both (S)- and (R)-Enantiomers of O-(4-Methoxyphenyl) glycidol Using (S)-1,2-O-Isopropylideneglycerol as a Common Precursor. (1991) (2)
NEW ROUTES TO THE SYNTHESIS OF CIS-JASMONE FROM THE KETENE DERIVATIVES (1977) (2)
[A synthesis of 10,11-dihydro-2,3,7,8-tetramethoxy-10,5-(N-methyliminoethano)-5H,m12H-dibenzo(a,d)cyclooctene (Homoisopavine). (Studies on the syntheses of heterocyclic compounds. CDLVI]. (1972) (2)
A Simultaneous Detemination of Enantiomeric Purity and Chirality of a Certain Cyclic Enone Relating to the Gibbane Framework (1981) (2)
A Synthesis of trans‐ and cis‐Caronaldehydes. (1985) (2)
[A SIMPLIFIED SYNTHESIS OF 3-METHOXY-4-HYDROXY AND 3-METHOXY-4-TOSYLOXYPHENETHYLAMINE. (STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. LXXXVII.)]. (1963) (2)
1-(2-Mercaptoethyl)phthalazines and related compounds (1968) (2)
Studies on the syntheses of heterocyclic compounds. CCIX. Total syntheses of (+)-isococlaurine and (--)-lotusine. (1968) (2)
Practical Preparation of Optically Active O-Benzylglycidol from Optically Active Epichlorohydrin. (1991) (2)
A Concise Route to (S)-Phenylalanine from (R)-Epichlorohydrin (1989) (2)
[Syntheses of dl-7,4'-O,O-dibenzyl-3'-bromo-N-methylcoclaurine and its optical resolution. (Studies on the syntheses of heterocyclic compounds. 153.)]. (1966) (2)
[Reduction products of 2-nitropapaveraldine. (studies on the synthesis of heterocyclic compounds. CCXXXIV]. (1968) (2)
Katsuki‐Sharpless Asymmetric Epoxidation of Allylic‐Homoallylic Alcohols Sharing the Central Olefinic Bond. (1993) (1)
An Enantiospecific Route to (6R)‐(‐)‐Massoialactone and (3R,5R)‐(+)‐3‐ Hydroxy‐5‐pentylvalerolactone. (1992) (1)
Enantioconvergent Synthesis of a Promising HMG Co‐A Reductase Inhibitor NK‐104 from Both Enantiomers of Epichlorohydrin. (1993) (1)
Syntheses of diastereoisomeric racemates of melanthioidine for determination of its structure by mass spectrometry (1968) (1)
Thionolactone Claisen rearrangement. (1987) (1)
Isoquinoline Frameworks via Aryl Radical‐Initiated 1,6‐Cyclization. (1991) (1)
An Approach to the Synthesis of the Non-tryptamine Moiety of Reserpine by Diels-Alder Reaction (1980) (1)
Total Synthesis of (‐)‐Paeoniflorin (1994) (1)
A Facile Route to Tetrahydroisoquinoline Alkaloids via Sulfoxide Mediated Cyclization. (1993) (1)
[Coclaurine and related compounds. II. Syntheses of 7-benzyloxy-1,2,3,4-tetrahydro-1-(p-hydroxyphenyl)-6-methoxy-2-methylisoquinoline and 7-benzyloxy-1,2,3,4-tetrahydro-1-(p-hydroxybenzyl)-6-methoxy-2-methyl-isoquinoline. (Studies on the syntheses of heterocyclic compounds. CLXXXV)]. (1967) (1)
A SIMPLE ENANTIOSELECTIVE SYNTHESIS OF BOTH ENANTIOMERS OF SULCATOL USING A SINGLE CHIRAL PRECURSOR (1983) (1)
AN ALTERNATIVE CHIRAL ROUTE TO SULCATOL (1983) (1)
ENANTIOMERIC SYNTHESIS OF THE 2-ALLYL-4-HYDROXYPYRROLIDINE FRAMEWORK VIA AN IODINE-MEDIATED REACTION (1982) (1)
Novel Reactions via b-Carboline Intermediates (1982) (1)
A NOVEL SYNTHESIS OF THE PHENANTHROINDOLIZIDINE ALKALOID RING SYSTEM FROM PHENANTHRENE (1976) (1)
A Novel Convergent Synthesis of (+)-1α,25-Dihydroxyvitamin D3 (I) Using a Chromium(II)-Mediated Coupling Reaction. (1991) (1)
A total synthesis of isoliensinine. (1966) (1)
Studies on the Syntheses of Heterocyclic Compounds. LXXIII: A Synthesis of 2-Methyl-9, 10-dimethoxy-1, 2, 3, 4, 6, 7-hexahydro-11 bH -benzo [ a ] quinolizine@@@2-Methyl-9,10-dimethoxy-1,2,3,4,6,7-hexahydro-11 bH -benzo [ a ] quinolizineの合成 (1962) (1)
REGIOSELECTIVE SYNTHESIS OF NAPHTHACENEQUINONES USING SULFOLENE (1979) (1)
A New Route to (+)-2,3-(Isopropylidenedioxy)-4-cyclopentenone via the Optically Active Dicyclopentadiene Intermediate. (1989) (1)
The ring opening of N-(1-phthalazyl)- and N-(4-quinazolyl)aziridines (1968) (1)
New Prostaglandin Synthon from an 4-Oxa-tricyclo[4.3.0.03,7]-non-8-ene System. A Total Synthesis of (±)-Prostaglandin F2a (1977) (1)
A Convenient Synthesis of 2-Cyclopentenone (1986) (1)
An enantiocontrolled route to the C11-17 segment of mycinamicins III and IV (1992) (1)
Nucleophilic displacement reactions of the methanesulfonates of the 1-O-benzoyl-1,2-, -1,3-, and -1,4-glycols (1984) (1)
[STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. XCII. SYNTHESIS OF 1-BENZYLCOTARNINE DERIVATIVES]. (1964) (1)
A Concise Enantioselective Synthesis of Acromelic Acid A (1987) (1)
Diastereodivergent Formation of 2,3‐trans:3,4‐cis‐ and 2,3‐cis:3,4‐ trans‐2,3,4‐Trisubstituted Tetrahydrofurans from the Common 2,5‐ Disubstituted‐4,5‐dihydro‐1,3‐dioxepin: A Diastereocontrolled Route to Furofuran Lignan (.+‐.)‐Asarinin. (1994) (1)
Efficient Ester Exchange Reaction of Phosphonoacetates. (1987) (1)
AN ALTERNATIVE SYNTHESIS OF THE EMETINE ALKALOIDS FROM (.+‐.)‐NORCAMPHOR INTENDING FOR A CHIRAL SYNTHESIS. A SYNTHESIS OF (.+‐.)‐PROTOEMETINOL AND (.+‐.)‐PROTOEMETINE AND A FORMAL SYNTHESIS OF (.+‐.)‐EMETINE (1979) (1)
GENERAL SYNTHETIC APPROACH TO THE QUINOLIZIDINE ALKALOIDS VIA A (2+3)-CYCLOADDITION (1982) (1)
A NEW α‐AMINO ACID SYNTHESIS VIA AN ACETIMIDATE REARRANGEMENT (1984) (1)
An Efficient Synthesis of Optically Active 4-Benzyloxy-3-hydroxy-1- butyne and Its Cross-Coupling Reaction. (1992) (1)
Efficient route to .GAMMA.,.DELTA.-unsaturated carbonyl compounds from allyl sulfides and .ALPHA.-diazocarbonyls using a rhodium catalyst. (1987) (1)
ENANTIOSELECTIVE SYNTHESES OF NATURAL PRODUCTS USING A CHIRAL GLYCERIN DERIVATIVE (1983) (1)
CONVERSION OF METHYLENEDIOXYBENZENE DERIVATIVES INTO 2-METHOXYPHENOL DERIVATIVES (1983) (1)
ENANTIOSELECTIVE SYNTHESIS OF (-)-ELENOLIC ACID AND (-)-AJMALICINE (1985) (1)
A NEW SYNTHESIS OF β-PHENYLETHYL ALCOHOLS AND PHENYLACETIC ACIDS VIA HYDROBORATION OF PHENYLKETENE DIHALIDES (1977) (1)
A Convenient Synthesis of 2-Cyclopentenone. (1987) (1)
Novel Deuteration via Acetylene Bond Migration. (1988) (1)
Optically active epoxides and methods for their preparation (1992) (0)
Enantiospecific Construction of Quaternary Carbon Center via Intramolecular 1,3-Dipolar Cycloaddition. A New Route to Natural (-)- Mesembrine from (S)-O-Benzylglycidol. (1991) (0)
A Convenient Synthesis of Both Enantiomeric 2,3-Disubstituted 5-Norbornenes from D-Mannitol. (1988) (0)
Synthetic Studies on Some Indole Alkaloids via Fischer Base Type Intermediates (1980) (0)
Enantiocontrolled Approach to Natural Products Utilizing (S)-O-Benzylglycidol as Common Chiral Precursor. (1989) (0)
Practical Synthesis of (S)‐1‐Octyn‐3‐ol: A Key Intermediate for the Prostaglandin Synthesis. (1991) (0)
An Alternative Synthesis of (±)-Dehydrogrisenfulvin by Enzymic Phenolic Oxidation by Homogenized Potato Peelings : Studies on the Syntheses of Heterocyclic Compounds. CCCLIII (1970) (0)
Enantiodivergent Route to the Aromatic Bisabolane Sesquiterpenes by Regio‐ and Stereocontrolled Epoxide Opening. (1989) (0)
Ring Expansion of Spirocyclic Dithioketals via 1,3-Sulfur Migration by the Mitsunobu Reaction. (1994) (0)
Enantiocontrolled Synthesis of Natural Products Utilizing Heterocycles (1984) (0)
一種類のキラルな鋳型からβ-サンタレンとepi-β-サンタレンの両エナンチオマへのエナンチオ選択的経路 (1987) (0)
An Enantio- and Stereocontrolled Synthesis of L-erythro- and D-threo- C18-Sphingosines via the Anomalous Version of the Katsuki-Sharpless Asymmetric Epoxidation Reaction. (1992) (0)
ENANTIOSELECTIVE ROUTE TO BOTH (+)- AND (-)-ENANTIOMERS OF QUEBRACHAMINE USING A SINGLE CHIRAL SYNTHON (1982) (0)
A Convergent Enantiocontrolled Route to Mevalonolactone (II) and Vitamin E (III) from (S)-O-Benzylglycidol (I). (1991) (0)
STEREOCONTROLLED SYNTHESIS OF (.+-.)-CORYNANTHEIDOL FROM (.+-.)-NORCAMPHOR (1981) (0)
STEREOCONTROLLED SYNTHESIS OF (.+-.)-DEOXYPODOPHYLLOTOXIN VIA THE BENZYL EQUIVALENT OF THE PETERSON REACTION (1985) (0)
Preparation of (2R,3S)-1,2-Epoxypent-4-en-3-ol, a New Chiral Building Block for the Synthesis of (+)-endo- and (-)-exo-Brevicomin. (1986) (0)
A Convenient One-Flask Synthesis of α-Methylene Aldehydes from Primary Alcohols. (1990) (0)
EFFICIENT SYNTHESIS OF (R)‐(‐)‐Γ‐BENZYLOXYMETHYL‐Γ‐BUTYROLACTONE FROM (D)‐(+)‐MANNITOL (1981) (0)
CHIRALITY INVERSION OF THE 1,3‐GLYCOL SYSTEM AND ITS APPLICATION TO THE SYNTHESIS OF THE CARBAPENEM INTERMEDIATE (1983) (0)
Stereocontrolled Construction of Substituted Pyrrolidines Based on Intramolecular Protodesilylation Reaction. Enantiospecific Synthesis of (‐)‐Kainic Acid and (+)‐Allokainic Acid from L‐Serine. (1993) (0)
Efficient Route to γ,δ-Unsaturated Carbonyl Compounds from Allyl Sulfides and α-Diazo Carbonyls Using a Rhodium Catalyst. (1988) (0)
ALTERNATIVE SYNTHESIS OF (.+-.)-EBURUNAMENINE VIA CLEAVAGE OF A CYCLIC DITHIOACETAL OF AN α-OXO-THIONE (1977) (0)
A method for optical resolution of Corey Lactondiolen (1992) (0)
strong base. Accordingly, both tertiary and quaternary centers with requisite chirality may be constructed at the a-position of the lactone intermediates regardless of the chirality at they -position since (1987) (0)
Enantiospecific Synthesis of (+)-Paeonilactone C (IX) and (+)- Paeoniflorigenone (XII) from R-(-)-Carvone. (1995) (0)
The Total Synthesis of (+)-Polyzonimine. (1984) (0)
Palladium-Catalyzed Stereospecific 1,4-Hydrogen Migration of cis-Cyclohex-2-ene-1,4-diol Systems. (1994) (0)
Enantio- and Stereoselective Synthesis of 2,6-Dideoxyhexoses from Divinylcarbinol. (1987) (0)
A Concise Enantioselective Synthesis of (+)-Muscarine from (R)-O-Benzylglycidol ((R)-Benzyloxymethyloxirane). (1990) (0)
Inversion of Diastereo- and Enantiofacial Selectivities in the Katsuki- Sharpless Asymmetric Epoxidation of E-Alkenylethylene Glycols. (1992) (0)
Enantiodivergent Synthesis of Both Enantiomers of Ibuprofen from (2S,3S)-3-Phenylglycidol. (1990) (0)
Enantiocontrolled Route to Optically Pure Carvone Using Chiral Cyclohexa‐2,5‐dienone Synthon. (1994) (0)
Stereoselective Kinetic Protonation of Chiral γ-Lactone Enolates. (1986) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 547, A SYNTHESIS OF DIENONE ANALOGS BY ELECTROLYTIC OXIDATION (1975) (0)
Head to tail coupling of 1-(4-hydroxyphenethyl)-7-hydroxy-6-methoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline by enzymic phenolic oxidation (1968) (0)
Studies on the Synthesis of the Dimeric Indole Alkaloids. The Stereospecific Synthesis of (±)-Dihydrocleavamine and a New Synthesis of (±)-Quebrachamine anbd Its (±)-14,15-Dehydroderivative (1975) (0)
Formation and Reactions of Trichloro-g-lactones (1984) (0)
A Double Diels-Alder Reaction of a C2-Symmetric Bisdienophile: A New Enantioselective Approach to Natural Loganin. (1988) (0)
Synthesis of (±)-Emetine from Protoberberine Precursor via the a-Diketone Monothioletal Intermediate (1977) (0)
Enantioselective Synthesis of (+)-Citreoviral Using Asymmetrie Hydroxylation of Tiglate Esters. (1986) (0)
Concise Enantio‐ and Stereocontrolled Synthesis of (+)‐Equilenin Using Chiral Cyclopentadienone Synthon. (1991) (0)
An Efficient Synthesis of (S)-O-Benzylglycidol. (1985) (0)
Use of the Sharpless Asymmetric Dihydroxylation as a Substitute for the Katsuki‐Sharpless Asymmetric Epoxidation: An Alternative Route to Vitamin E and Prostaglandin Intermediates. (1994) (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)
NEW SYNTHETIC ROUTE TO MONO- AND DI-ΓΔ-UNSATURATED N,N-DIALKYLTHIOAMIDES BY THE THIO-CLAISEN REARRANGEMENT BASED ON ACYCLIC N,N-DIALKYLTHIOAMIDES (1977) (0)
Enantiocontrolled Synthesis of Bioactive Natural Products Utilizing Chiral O-Benzylglycidol as Common Chiral Building Blocks (1992) (0)
A Concise Diastereoselective Route to Racemic Samin, the General Furofuran Lignan Precursor. (2010) (0)
A NEW SYNTHESIS OF A STEROID SIDE CHAIN VIA STEREOCONTROLLED PROTONATION: SYNTHESIS OF (-)-DESMOSTEROL (1983) (0)
Non-Hazardous Preparation of 3-Acetoxy- and 3-Oxodicyclopentadienes. (1994) (0)
SYNTHETIC APPROACH TO (.+-.)-VINCAMINE VIA CLEAVAGE OF AN α-DIKETONE MONOTHIOACETAL. ALTERNATIVE SYNTHESIS OF (.+-.)-EBURNAMINE, (.+-.)-ISOEBURNAMINE, AND (.+-.)-EBURNAMENINE (1980) (0)
Expedient Preparation and Enantiomerization of Optically Pure Dicyclopentadienone (Tricyclo(5.2.1.02,6)deca-4,8-dien-3-one). (1992) (0)
THE TOTAL SYNTHESIS OF (.+-.)-LATIFINE (1985) (0)
The First Enantiocontrolled Synthesis of (3S,8S)‐(‐)‐4,6‐Decadiyne‐1,3, 8‐triol (I) Isolated from a Toxic Mushroom Gymnopilus Spectabilis. (1992) (0)
Enantiocomplementary Synthesis of Functionalized Cycloalkenol Building Blocks Using Lipase. (1992) (0)
A NEW ROUTE TO THE OLIVACINE TYPE ALKALOID RING SYSTEM VIA THE FISCHER BASE INTERMEDIATE. A SIMPLE SYNTHESIS OF 6H-PYRIDO(4.3-B)CARBAZOLE (1979) (0)
Synthetic Studies of Vitamin D Analogues. Part 22. Synthesis and Antiproliferation Activity of Putative Metabolites of 1α,25‐ Dihydroxy‐22‐oxavitamin D3. (1997) (0)
A NEW ROUTE TO THE EMETINE ALKALOIDS BY A CHIRAL SYNTHESIS. A SYNTHESIS OF (DL)-PROTOEMETINOL AND A FORMAL SYNTHESIS OF (DL)-EMETINE FROM (DL)-NORCAMPHOR (1978) (0)
TOTAL SYNTHESIS OF (+)‐POLYZONIMINE (1984) (0)
Total Syntheses of Didemnenones C and D. (1995) (0)
Total Synthesis of (±)- and (+)-Latifine. (1986) (0)
A New Methodology for the Construction of Chiral 4-Benzyl-2-furanone via C2-Symmetric Bis-Radical Intermediate. (1992) (0)
ENANTIOSELECTIVE SYNTHESIS OF AN ANT VENOM ALKALOID (-)-(3S-(3β,5β,8α))-3-HEPTYL-5-METHYLPYRROLIZIDINE (1984) (0)
A Synthesis of (‐)‐Pyrenophorin Using 4‐DMAP‐Catalyzed Ester Exchange Reaction of Phosphonoacetates with Lactols. (1987) (0)
Enantiocomplementary Resolution of 2‐Phenylthio‐2‐cyclopentenol and 2‐ Phenylthio‐2‐cyclohexenol Using the Same Lipase. (1994) (0)
The First Stereoselective Synthesis of (+)-Nuciferol and (+)-Nuciferal. (1983) (0)
Condensation of a Chiral Tetrahydro-2-furanthione with Diazocarbonyl Compounds. (1988) (0)
A Stereoselective Route to E-3-Hydroxyalkenyl Phenyl Sulfides. (1993) (0)
ENANTIOSELECTIVE SYNTHESIS OF (-)-VELBANAMINE AND (+)-ISOVELBANAMINE USING L-GLUTAMIC ACID AS CHIRAL TEMPLATE (1981) (0)
SILICON-MEDIATED ISOQUINOLINE ALKALOID SYNTHESIS: A NOVEL ROUTE TO (.+-.)-XYLOPININE AND (.+-.)-LAUDANOSINE (1982) (0)
Enantioselective Synthesis of (-)-Kainic Acid. (1989) (0)
Formation and Stereochemistry of 2-Aryl-2-ethyl-1,2,3,5,6,11b-hexahydro-11H-indolo[3,2-g]indolizine Previously Taken for to Be 3,4-Dehydroquebrachamine (1976) (0)
Concise Enantiodivergent Synthesis of Eutypoxide B (I). (1993) (0)
TOTALSYNTH. VON (-)-DISCRETIN (2,10,11-TRIMETHOXY-13A ALPHA-BERBIN-3-OL) (1973) (0)
Synthetic Approaches to Velbanamine, Vindoline, Vincamine, and Emetine (1978) (0)
CHIRALITY CONTROL BY KINETIC PROTONATION: ENANTIOSELECTIVE SYNTHESES OF (+)-VELBANAMINE, (-)-ISOVELBANAMINE, AND (+)-CLEAVAMINE (1982) (0)
A Facile Synthesis of (R)-1-Benzyloxy-3-buten-2-ol. (1988) (0)
SYNTHESIS OF A POTENTIAL SYNTHON FOR THE CHIRAL SYNTHESIS OF THE CORYNANTHE-TYPE INDOLE ALKALOIDS: ENANTIOSELECTIVE TOTAL SYNTHESIS OF (-)-ANTIRHINE (1982) (0)
A New Asymmetric Route to (+)‐Vincamine. (1986) (0)
A Practical Synthesis of (R)-Methoxy(phenyl)acetic Acid. (1989) (0)
Indoline Formation by Regioselective Aryl Radical Cyclization to Azomethine Bond. (1994) (0)
Enantioselective Preparation of Functionalized Cyclopentanes Using Lewis Acid-Mediated Cyclization of Epoxy Allylsilanes: Enantiocontrolled Total Synthesis of (+)-Brefeldin A. (1991) (0)
Diastereofacial Selectivity in Diels‐Alder Reactions of Buta‐1,3‐ dienes Having Stereogenic Allylic Heteroatom Substituents at the C‐2 Position. (1992) (0)
An Efficient Stereoselective Preparation of Vitamin E (α- Tocopherol) from Phytol. (1991) (0)
A New Synthesis of (+)-Didemnenones A and B. (1990) (0)
SYNTHESIS OF 4-HYDROXY-3-MERCAPTOBENZOIC ACID AND 2,3-DIHYDRO-5,6-TETRAMETHYLENE-1,4-DITHIINE FROM DITHIOLANE DERIVATIVES (1976) (0)
Enantiocomplementary Preparation of Optically Pure 2‐ Trimethylsilylethynyl‐2‐cyclopentenol by Homochiralization of Racemic Precursors: A New Route to the Key Intermediate of 1,25‐ Dihydroxycholecalciferol and Vincamine. (1993) (0)
A NEW ENTRY INTO THE SYNTHESIS OF THE STRYCHNOS INDOLE ALKALOIDS CONTAINING 19,20-DOUBLE BOND VIA THE THIO-CLAISEN REARRANGEMENT (1982) (0)
STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS PART 523, ENZYMIC OXIDATION OF HOMOORIENTALINE WITH HOMOGENISED POTATO PEELINGS (1973) (0)
A Simple Preparation of Five-Carbon Chiral Allylic and Homoallylic Alcohol Synthons. (1987) (0)
A Novel Chiral Route to Substituted Tetrahydrofurans. Total Synthesis of (+)‐Verrucosidin and Formal Synthesis of (‐)‐Citreoviridin. (1988) (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)
Concurrent Reductive Cleavage and Recombination of γ,δ-Alkylidenedioxy-α,β-Unsaturated Esters Promoted by Organocuprates. (1988) (0)
Efficient Preparation of Potentially Useful Chiral Cyclopentanoid Building Blocks Based on C2 Symmetry. (1991) (0)
Enantiocontrolled Synthesis of Optically Pure 5‐Trimethylsilyl‐ and 5‐ Tribuylstannylcyclohex‐2‐enones. (1993) (0)
A Concise Enantiocontrolled Route to (+)-Patulolide C. (1995) (0)
SYNTH. VON HETEROCYCLEN 332. MITT. ENZYMATISCHE PHENOL-OX. VON N-METHYL-COCLAURIN (1970) (0)
An alternative synthesis of (±)-dehydrogriseofulvin by enzymic phenolic oxidation by homogenised potato peelings (1969) (0)
43 STEREOSELECTIVE SYNTHESIS OF SOME INDOLE ALKALOIDS (1980) (0)
An Enantiocontrolled Synthesis of Phytol by Reiterative Application of the Chiral 3‐Hydroxyalkyne Formation Reaction. (1992) (0)
The Katsuki-Sharpless Asymmetric Epoxidation of E-2,5-Dihydroxy-2,5- dimethyl-3-hexene. (1992) (0)
An Efficient g-Lactone Formation Relating to Prostaglandin Synthesis (1979) (0)
Enantiocontrolled Synthesis of Two Amino Acids. (S)‐Glutamic Acid and ( S)‐2‐Aminoadipic Acid. (1994) (0)
Nucleophilic Cleavage of (2S,3S)-3-Phenylglycidol. (1989) (0)
The Total Synthesis of (.+-.)-Sikkimotoxin (I) via the Benzo-Peterson Reaction. (1987) (0)
The Enantioselective Total Synthesis of Natural (-)-Aphanorphine. (1990) (0)
94 NATURAL PRODUCT SYNTHESIS UTILIZING ALLENYLMETHYL-TRIMETHYLSILANES (1992) (0)
A STEREOSELECTIVE ROUTE TO THE PROSTAGLANDIN INTERMEDIATE FROM NORBORNADIENE (1977) (0)
1 PREPARATION OF CHIRAL 2,5-CYCLOHEXADIENONE SYNTHONS AND THEIR APPLICATION TO THE NATURAL PRODUCT SYNTHESIS (1993) (0)
A Facile Synthesis of (S)-O-Benzylglycidol. (1992) (0)
Preparation of Racemic and Chiral Alkyl(1,3‐butadien‐2‐yl)methanol Derivative Utilizing 1‐Trimethylsilyl‐2,3‐butadiene as a Diene Source. (1992) (0)
An Enantioconvergent Construction of the Key Intermediate of (+)‐ Vincamine. (1996) (0)
An Efficient Route to Hydroxy-1-alkenyl Phenyl Sulfides by an Eliminative Ring-Cleavage Reaction. (2010) (0)
Preparation of Chiral Fluorine Compounds from (2S,3S)-3-Phenylglycidol. (1990) (0)
Red‐Al Promoted Intramolecular Reductive Cleavage of Benzyl 4‐Hydroxy‐ 2‐butenyl Ether Structures. A Concise Preparation of Polyol Chiral Building Blocks. (1994) (0)
Oxidation of Alcohols (I), (III) Using Dimethyl Sulfoxide and Trichloromethyl Chloroformate. (1989) (0)
Enantiocomplementary Resolution of 4-Hydroxy-5-(4-methoxyphenoxy)-1- pentyne Using the Same Lipase. (1993) (0)
Total Synthesis of (+)-Brefeldin C (IV) via Lewis Acid-Mediated Cyclization of an Epoxyallylsilane (II). (1990) (0)
Enantio- and Stereo-Controlled Construction of Tertiary and Quaternary Carbon Centers Using Chiral O-Benzylglycidol as Template. (1991) (0)
Synthesis of Optically Active 4‐Benzyloxymethyl‐ and 4‐(4‐ Methoxyphenoxy)methylbuten‐2‐olides via Lipase‐Mediated Resolution. (1994) (0)
Concise Stereoselective Synthesis of (2S,4R)-4-Hydroxyproline from (S)-O-Benzylglycidol by a Novel Cyclization. (1989) (0)
CHIRAL SYNTHESIS OF (+)-EBURNAMINE, (-)-EBURNAMENINE, AND (-)-EBURNAMONINE (1985) (0)
PB32 ENANTIOSELECTIVE SYNTHESES OF CITREOVIRIDIN AND VERRUCOSIDIN USING ASYMMETRIC EPOXI DATION OF A σ-SYMMETRICAL DIVINYLCARBINOL (1988) (0)
Practical Synthesis of Some Versatile Chiral Building Blocks from (D)-Mannitol. (1986) (0)
PB172 ENANTIO- AND STEREO-CONTROLLED SYNTHESIS OF A VARIETY OF NATURAL PRODUCTS USING COMMON CHIRAL SYNTHON AND KEY REACTION (1988) (0)
SYNTHESIS OF BOTH ENANTIOMERS OF Γ-(TRITYLOXYMETHYL)-Γ-BUTYROLACTONE FROM A SINGLE PROGENITOR, (S)-(+)-GLUTAMIC ACID (1981) (0)
General Stereoselective Route to (E)-3-Hydroxy-1-alkenyl Chlorides and Phenyl Ethers. (1995) (0)
Synthetic Studies of the Lythraceae Alkaloids via [3+2] Cycloaddition Reaction (1984) (0)
A NEW ENTRY INTO THE SYNTHESIS OF THE NINE‐MEMBERED INDOLE ALKALOIDS RELATED TO CLEAVAMINE. A STEREOSPECIFIC SYNTHESIS OF (DL)‐4α‐DIHYDROCLEAVAMINE AND (DL)‐QUEBRACHAMINE VIA THE THIO‐CLAISEN REARRANGEMENT (1977) (0)
A Concise Route to (S)-Phenylalanine from (R)-Epichlorohydrin. (1990) (0)
Asymmetric Dihydroxylation of a Meso‐Symmetric Cyclic Diene Using AD‐ Mix Reagents: A New Enantiocontrolled Route to Conduritol E. (2010) (0)
Diastereodivergent Synthesis of Optically Active trans‐ and cis‐6‐ Benzyloxymethyl‐4‐hydroxytetrahydro‐2‐pyrones via 3‐Hydroxyalkenyl Phenyl Sulfides. (1993) (0)
Chiral Route to cis-Caronaldehyde from D-Mannitol. (1987) (0)
A Facile Route to the Aromatic Bisabolane Sesquiterpenes by Homobenzylic-Homoallylic Hydrogenolysis. (1994) (0)
ASYMMETRIC SYNTHESIS OF A PROSTAGLANDIN INTERMEDIATE USING MICROORGANISMS (1976) (0)
Versatile Chiral Building Blocks Bearing a Secondary Methyl Group from (S)-O-Benzylglycidol (Benzyloxymethyloxirane). (1987) (0)
Stereocontrolled Route to the δ-Benzylidenemethyl-β-hydroxy- δ-lactone System Utilizing a New Chiral Epoxyacetylene Building Block. (1992) (0)
2-(2-Pyridyl) indole methiodide. (1958) (0)
Enantiodivergent Synthesis of Both Enantiomers of Sulcatol (I) and Matsutake Alcohol (II) from (R)-Epichlorohydrin. (1988) (0)
FORMATION AND REACTIONS OF TRICHLORO-Γ-LACTONES (1984) (0)
Chiral Synthesis of Both Enantiomers of 1,4-Dideoxy-1,4-iminolyxitol and 1,4-Dideoxy-1,4-iminoribitol. (1992) (0)
NEW SYNTHESIS OF (.+-.)-MEROQUINENE ALDEHYDE AND ITS EPIMER FROM (.+-.)-NORCAMPHOR (1979) (0)
Concise Synthesis of C2-Symmetric trans-2,5-Dioxymethylpyrrolidine Derivatives by Novel Cyclization. (1990) (0)
Thioamide-Claisen Rearrangements and Its Application to the Syntheses of Indole Alkaloids (1983) (0)
Selective Manipulation of Hydroxy Groups in (2S,3S)-Threitol. (1987) (0)
An Alternative Synthesis of the Emetine Alkaloids from (±)-Norcamphor Intending for a Chiral Synthesis. A Synthesis of (±)-Protoemetinol and (±)-Protoementine and a Formal Synthesis of (±)-Emetine (1979) (0)
First Example of Intramolecular 1,3-Dipolar Cycloaddition of Non- Stabilized Azomethine Ylide Generated from Tertiary Amine N-Oxide. (1992) (0)
Chiral Synthesis of (R)-(+)-Citronellal via Stereoselective Protonation. (1988) (0)
Asymmetric Construction of Optically Active 3‐Hydroxyalkyne Functionalities. (1990) (0)

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What Schools Are Affiliated With Seiichi Takano?

Seiichi Takano is affiliated with the following schools:

Tohoku University