A. Takeda

发表

Effects of freezing an internal rotation on intramolecular catalysis by an imidazolyl group. Synthesis and hydrolysis of 4,5-[1'(4')-acetoxymethyltetramethylene]imidazoles and 4,5-[1'(5')-acetoxymethylpentamethylene]imidazole

M. Utaka, J. Koyama, A. Takeda, 1976 .

Mode change in the self-motion of a benzoquinone disk coupled with a NADPH system.

Yumihiko S. Ikura, S. Nakata, Y. Matsuda, 2012, Chemphyschem : a European journal of chemical physics and physical chemistry.

Asymmetric Synthesis of (2R,3S)-2,3-Epoxyoctanal, a Key Intermediate of 14,15-Leukotriene A4

S. Tsuboi, H. Furutani, A. Takeda, 1987 .

A Systematic Study on the Bakers' Yeast Reduction of 2-Oxoalkyl Benzoates and 1-Chloro-2-alkanones.

M. Utaka, T. Sakai, S. Tsuboi, 1992 .

Regio- and enantioselective reduction of .alpha.,2-dioxocycloalkaneacetates with fermenting baker's yeast. A new synthesis of (R)-(-)-hexahydromandelic acid

M. Utaka, S. Tsuboi, H. Furutani, 1987 .

Palladium-catalyzed highly chemo- and regioselective formal [2+2+2] sequential cycloaddition of alkynes: a renaissance of the well known trimerization reaction?

M. Rubin, Y. Yamamoto, M. Rubina, 2001, The Journal of organic chemistry.

Highly Enantioselective Reduction of Ethyl 2-Acyloxy-3-oxobutanoate with Immobilized Baker’s Yeast

M. Utaka, T. Sakai, Toshiki Nakamura, 1986 .

A facile synthesis of optically pure L-armentomycin and its D-isomer.Highly enantioselective reduction of the CC double bond of methyl (E)- and (Z)-2,4,4-trichloro-2-butenoate by using baker's yeast

S. Konishi, M. Utaka, S. Tsuboi, 1987 .

Asymmetric reduction of Z-3-chloro-3-alken-2-ones with fermenting baker's yeast

S. Konishi, M. Utaka, A. Takeda, 1986 .

Asymmetric reduction of chlorinated 4-oxopentanoates with Bakers' yeast. Synthesis of optically active .gamma.-butyrolactones and useful chiral building blocks

M. Utaka, J. Sakamoto, S. Tsuboi, 1991 .

Copper(II)-catalysed oxidation of quercetin and 3-hydroxyflavone

M. Utaka, A. Takeda, 1985 .

A highly stereoselective synthesis of (E)-enol lactones by the Wittig reaction of cyclic anhydrides with (α-alkoxycarbonylethylidene)triphenylphosphorane

K. Fukuyama, S. Tsuboi, H. Wada, 1987 .

A HIGHLY STEREOSELECTIVE SYNTHESIS OF ENOL-δ-LACTONES BY THE WITTIG REACTION OF GLUTARIC ANHYDRIDES WITH α-ALKOXYCARBONYLETHYLIDENETRIPHENYLPHOSPHORANE

S. Tsuboi, A. Takeda, H. Fukumoto, 1983 .

Indole Synthesis via Palladium-Catalyzed Intramolecular Cyclization of Alkynes and Imines

Yoshinori Yamamoto, A. Takeda, and Shin Kamijo, 2000 .

A Michael Addition-Induced Favorskii Rearrangement

S. Tsuboi, A. Takeda, Hiroyuki Nagae, 1987 .

REGIO- AND DIASTEREOSELECTIVE ALDOL REACTION OF 1,2-CYCLOHEXANEDIONE DIANIONS WITH ALDEHYDES

M. Hojo, M. Utaka, A. Takeda, 1985 .

Malonate anion induced Favorskii-type rearrangements. 2. Reaction of acyclic .alpha.-haloketones with carbanions leading to cyclopropanols

T. Sakai, T. Katayama, A. Takeda, 1981 .

Michael reaction of 1,2-cyclohexanediones and 1,2-cyclopentanediones with methyl vinyl ketone

M. Utaka, Y. Fujii, A. Takeda, 1985 .

CUPRIC ION-CATALYZED DIOXYGENATION OF 1,2-CYCLOHEXANEDIONES. A NONENZYMATIC ANALOG FOR QUERCETINASE DIOXYGENATION

M. Hojo, M. Utaka, Y. Fujii, 1984 .

Copper(II)-Catalysed Oxidation of Quercetin and 3-Hydroxyflavone.

M. Utaka, A. Takeda, 1986 .

Dye-sensitized photo-oxygenation of 1,2-cyclohexanediones

M. Utaka, M. Nakatani, A. Takeda, 1985 .

Photsensitized oxygenation of the enol forms of 1,2-cyclohexanediones

M. Utaka, M. Nakatani, A. Takeda, 1983 .

Micellar catalysis in the base-catalyzed autoxidation of diosphenol

M. Utaka, A. Takeda, S. Matsushita, 1980 .

Preparation of Optically Active (4aα,8aβ)-Octahydro-4a-methyl-8-methylene-2(1H)-naphthalenone, a Key Intermediate for the Enantioselective Synthesis of Eudesmane Sesquiterpenes

M. Utaka, Y. Fujii, A. Takeda, 1986 .

Metal-Free Atom-Economical Synthesis of Tetra-Substituted Imidazoles via Flavin-Iodine Catalyzed Aerobic Cross-Dehydrogenative Coupling of Amidines and Chalcones.

Hiroki Iida, A. Takeda, Hayaki Okai, 2022, The Journal of organic chemistry.

Palladium catalysed γ-addition of pronucleophiles to allenyl sulfieds

Yoshinori Yamamoto, Mohammad Al-Masum, A. Takeda, 1996 .

Highly stereo- and regioselective alkylation of alkylidenemalonates. Application to the synthesis of (.+-.)-canadensolide

K. Muranaka, T. Sakai, S. Tsuboi, 1986 .

LACTONIZATION OF γ-HALO ESTERS WITH SILICA GEL CATALYST

H. Fujita, K. Muranaka, S. Tsuboi, 1982 .

An efficient synthesis of bislactone skeleton leading to d,l-canadensolide

M. Utaka, T. Sakai, Masanori Yoshida, 1982 .

Favorskii-Type Rearrangement of α,α′-Dihalo Ketones Induced by Enolates of (Diethoxyphosphinyl)acetic Esters and Its Application to the Synthesis of α,α′-Divinyl Ketones

M. Utaka, T. Sakai, K. Miyata, 1987 .

Efficient synthesis of a bislactone skeleton leading to dl-avenaciolide

H. Horikawa, T. Sakai, A. Takeda, 1980 .

Highly stereocontrolled synthesis of (2E,4Z)-dienoic esters with alumina catalyst. Its application to total syntheses of flavor components and insect pheromones

T. Masuda, S. Tsuboi, A. Takeda, 1982 .

Determination of Ring Conformation in 1-Benzyl-1,2,3,4-tetrahydroisoquinolines and a New Synthesis of the Chiral Compounds

J. Toda, T. Sano, T. Shinohara, 1998 .

Me3SiCl-NaI-CH3CN as an efficient and practical reducing agent for benzylic alcohols

M. Utaka, T. Sakai, K. Miyata, 1987 .

Diels-AIder Reactions of 5,5,5-Trichloro-3-penten-2-one and Related Compounds

S. Tsuboi, A. Takeda, Y. Ishiguro, 1974 .

ESTER-MEDIATED NUCLEOPHILIC AROMATIC SUBSTITUTION OF 2,3-ALKYLIDENEDIOXYBENZOIC ESTERS BY ARYL LITHIUM REAGENTS

N. Koike, S. Miyano, T. Hattori, 1997 .

Chemistry of .alpha.-halo aldehydes. IV. Reaction of 2-halo-2-methylpropanal with acylacetates in the presence of base

T. Sakai, S. Tsuboi, A. Takeda, 1974 .

Chemistry of .alpha.-haloaldehydes. III. Reaction of 2-halo-2-methylpropanal with malonic esters in the presence of potassium carbonate. (Synthesis of .gamma.-butyrolactones)

S. Tsuboi, A. Takeda, Yasutsugu Oota, 1973 .

Chemistry of α-Haloaldehydes. II. Base-catalyzed Condensation of α-Haloaldehydes with Methyl Chloroacetate

S. Tsuboi, A. Takeda, Toru Hongo, 1973 .

A HIGHLY EFFICIENT SYNTHESIS OF 1-METHYL-, 1-BENZYL-, AND 1-PHENYL- 1,2,3,4-THETRAHYDROISOQUINOLINES BY A MODIFIED PUMMERER REACTION

J. Toda, T. Sano, T. Shinohara, 1997 .

A novel synthetic method of dihydro-4-pyrone derivatives and its application to the syntheses of ar-atlantone and (±)-ar-turmerone

T. Sakai, K. Miyata, A. Takeda, 1985 .

Highly enantioselective reduction of 3-chloro-2-oxoalkanoates with fermenting bakers' yeast. A new synthesis of optically active 3-chloro-2-hydroxyalkanoates and glycidic esters

M. Utaka, T. Sakai, S. Tsuboi, 1993 .

Asymmetric reduction of the prochiral carbonyl group of aliphatic .gamma.- and .delta.-keto acids by use of fermenting bakers' yeast

M. Utaka, A. Takeda, H. Watabu, 1987 .

Asymmetric Reduction of Chlorinated 4‐Oxopentanoates with Bakers′ Yeast. Synthesis of Optically Active γ‐Butyrolactones and Useful Chiral Building Blocks.

M. Utaka, J. Sakamoto, S. Tsuboi, 1992 .

Asymmetric Reduction of α-(Dimethylthiocarbamoylthio) Carbonyl Compounds with Bakers’ Yeast

K. Doi, M. Utaka, S. Tsuboi, 1988 .

HIGHLY ENANTIOSELECTIVE REDUCTION OF δ-KETO ACIDS WITH FERMENTING BAKER’S YEAST. A FACILE SYNTHESIS OF OPTICALLY PURE (R)-(+)-5-HEXADECANOLIDE

M. Utaka, A. Takeda, H. Watabu, 1985 .

A Facile Synthesis of 3-Chloro-2-oxoalkanoates via Thermal Rearrangement of 2-Chloro-2,3-epoxyalkanoates Promoted by Alumina

S. Tsuboi, H. Furutani, A. Takeda, 1987 .

A New Synthesis of 4-Methoxy-6-valeryl-5,6-dihydro-2-pyrone

S. Tsuboi, A. Takeda, E. Amano, 1977 .

Electrochemical Reduction of exo-5-Acetyl-endo-6-trichloromethylbicyclo[2.2.1]hept-2-ene

S. Tsuboi, A. Takeda, Y. Ishiguro, 1987 .

A New Synthesis of Pyrocin and Related Compounds

T. Sakai, S. Tsuboi, Sho Shinohara, 1977 .

A Convenient Reductive Removal of Benzylic Hydroxyl and Trimethylsilyloxyl Groups with Me3SiCl–NaI–MeCN Reagent

M. Utaka, T. Sakai, K. Miyata, 1989 .

The Allylic Rearrangement. II. Reactions of 5,5,5-Trichloro-3-penten-2-one with Nucleophiles

E. Hirata, S. Tsuboi, A. Takeda, 1972 .

Novel Nazarov-type cyclization of tetrahydro-4-oxopyran-3-carboxylic esters by the use of Me3SiCl-NaI reagent.

T. Sakai, K. Miyata, A. Takeda, 1985 .

Stereoselective Synthesis of 3,5-Alkadienoic Esters from 2,4-Dienoic Isomers

M. Utaka, J. Sakamoto, S. Tsuboi, 1988 .

A convenient synthesis of 4-(2,2-dichloroethenyl)-5,5-dimethyl-tetrahydro-2-furanone derivatives, a key intermediate of permethrinic acid.

S. Tsuboi, A. Takeda, E. Amano, 1984 .

A synthesis of mono- and dimethoxy-1,2,3,4-tetrahydroisoquinolines via Pummerer reaction: Effects of methoxyl groups on intramolecular cyclization

J. Toda, T. Sano, Y. Ueda, 1998 .

Electrolyses of 2,2-Dichloro-3-phenylcyclopropanecarboxylic Acids in Hydroxylic Solvents with a Platinum Anode

Y. Murakami, A. Takeda, Satosi Wada, 1971 .

Highly stereocontrolled synthesis of (2E,4Z)-dienoic esters with alumina catalyst. Its application to total syntheses of flavor components and insect pheromones

T. Masuda, S. Tsuboi, A. Takeda, 1982 .

The Anodic Reaction of Acetic Acid in the Presence of Enanthaldehyde, Enanthaldehyde Diethyl Acetal, and 2-Octanone

Yuji Matsui, S. Torii, A. Takeda, 1969 .

Anodic methylation of benzaldhyde

S. Torii, A. Takeda, H. Oka, 1968 .

A convenient synthesis of hypotensive (±)-oudenone

Kohji Iwata, M. Utaka, T. Sakai, 1987 .

Reinvestigation of Base-Catalyzed Condensation of Ethyl α,α-Dichloroacetoacetate with Aldehydes. A New Synthesis of (±)-Disparlure

Sadao. Sato, S. Tsuboi, H. Furutani, 1987 .

Malonate anion induced Favorskii-type rearrangement. Reaction of cyclic .alpha.-halo ketones with sodiomalonates

T. Sakai, A. Takeda, E. Amano, 1980 .

Asymmetric reduction of the prochiral carbon-carbon double bond of methyl 2-chloro-2-alkenoates by use of fermenting bakers' yeast

S. Konishi, M. Utaka, T. Sakai, 1989 .

A Facile Synthesis of Optically Pure L-Armentomycin and Its D-Isomer. Highly Enantioselective Reduction of the C-C Double Bond of Methyl (E)- and (Z)-2,4,4-Trichloro-2-butenoate by Using Baker′s Yeast.

S. Konishi, M. Utaka, S. Tsuboi, 1987 .

Asymmetric Reduction of the Prochiral Carbon-Carbon Double Bond of Methyl 2-Chloro-2-alkenoates by Use of Fermenting Bakers′ Yeast.

S. Konishi, M. Utaka, T. Sakai, 1990 .

Palladium-Catalyzed [4+2] Cross-Benzannulation Reaction of Conjugated Enynes with Diynes and Triynes

Yoshinori Yamamoto, V. Gevorgyan, Naoki Sadayori, 1999 .

Regioselective synthesis of 1,3,5-unsymmetrically substituted benzenes via the palladium-catalyzed cyclotrimerization of 1,3-diynes

Yoshinori Yamamoto, V. Gevorgyan, I. Kadota, 1997 .

Studies on the Anion exchange behavior of carboxylic acids and phenols

J. Fritz, A. Takeda, 1968 .

A facile synthesis of (R)-(−)-hexahydromandelic acid with fermenting baker's yeast

M. Utaka, S. Tsuboi, Emiko Nishiyama, 1986 .

Stereoselective Synthesis of Octadecapolyenoic Esters as an Insecticide

K. Kawazu, S. Tsuboi, Seiji Maeda, 1987 .

Determination of Ring Conformation in 1‐Benzyl‐1,2,3,4‐tetrahydroisoquinolines and a New Synthesis of the Chiral Compounds.

J. Toda, T. Sano, T. Shinohara, 1998 .

Oxidation of 2,4-Alkadienoic Esters with Selenium Dioxide. A New Synthesis of Furans and Selenophenes

Kenji Watanabe, S. Tsuboi, S. Ono, 1987 .

New synthesis of (.+-.)-menthofuran

S. Tsuboi, A. Takeda, Kazuo Shimozuma, 1980 .

A Convenient Synthesis of (±)-Dimorphecolic Acid and Its Analogs

S. Tsuboi, Seiji Maeda, A. Takeda, 1986 .

New synthesis of .alpha.-benzoyloxy aldehydes. Application to the stereoselective synthesis of conjugated (E,E)-dienoic esters

M. Utaka, T. Sakai, A. Tsuji, 1982 .

AN APPROACH TO THE SYNTHESIS OF DL-FUROPELARGONES

S. Tsuboi, K. Shinhama, A. Takeda, 1980 .

A Practical Synthesis of Chiral 3-Chloro-2-hydroxyalkanoates and 2,3-Epoxyalcohols

M. Utaka, S. Tsuboi, H. Furutani, 1987 .

A Convenient Reduction Method of β-Phenyl α,β-Unsaturated Carbonyl Compounds with Me3SiCl–NaI–ROH Reagent

M. Utaka, T. Sakai, K. Miyata, 1987 .

A Highly Efficient Synthesis of 1-Methyl-, 1-Benzyl-, and 1-Phenyl-1,2,3,4-tetrahydroisoquinolines by a Modified Pummerer Reaction.

J. Toda, T. Sano, T. Shinohara, 1998 .

Facile preparation of 2,6-dimethyl-2,6-tetrahydropyrancarbolactone, a versatile intermediate for the syntheses of (±)-frontalin, (±)-cinenic acid, and (±)-linaloyl oxide

Y. Oota, M. Utaka, S. Tsuboi, 1983 .

A novel and practical synthetic method of 3(2H)-furanone derivatives

Hiroshi Ito, M. Utaka, T. Sakai, 1986 .

A convenient synthesis of geiparvarin

Hiroshi Ito, T. Sakai, A. Takeda, 1984 .

Synthesis of 5-[(E)-1-Alkenyl]-3(2H)-furanones by the Stereoselective Dehydration with Me3SiCl

M. Utaka, T. Sakai, S. Tsuboi, 1987 .

Synthesis of 5‐((E)‐1‐Alkenyl)‐3(2H)‐furanones by the Stereoselective Dehydration with Me3SiCl.

M. Utaka, T. Sakai, S. Tsuboi, 1987 .

Highly stereocontrolled synthesis of (2e,4z)-dienic esters by alumina catalyst

T. Masuda, S. Tsuboi, H. Makino, 1982 .

Chemistry of .alpha.-haloaldehydes. V. Reaction of .alpha.-haloaldehydes with .alpha.-acetylcyclopentanones in the presence of base

S. Tsuboi, A. Takeda, Fumitaka Sakai, 1974 .

Model for "charge-relay": acceleration by carboxylate anion in intramolecular general base-catalyzed ester hydrolysis by the imidazolyl group.

M. Komiyama, M. L. Bender, M. Utaka, 1977, Proceedings of the National Academy of Sciences of the United States of America.

Synthesis and hydrolysis of 4-acetoxymethylbenzimidazoles. Effects of freezing an internal rotation on intramolecular catalysis by a benzimidazolyl group.

M. Utaka, A. Takeda, M. Takatsu, 1977 .

Asymmetric Reduction of α-Methylene Ketones by Using Fermenting Baker’s Yeast. Preparation of Optically Active β-Hydroxy α-Methyl Ketones

M. Utaka, Sei-ichi Onoue, A. Takeda, 1987 .

Lactone Carboxylic Acids. VI. A Synthesis of α,β-Epoxybutyrolactone via α-Diazolactones

S. Torii, A. Takeda, S. Endo, 1968 .

A stereoselective synthesis of (3E,5Z)-3,5-tetradecadienoic acid (megatomoic acid), the sex attractant of the black carpet beetle

T. Masuda, S. Tsuboi, A. Takeda, 1983 .

The Reaction of Ethyl Alkylchloropyruvate with Sodiomalonate and Sodioacetoacetate

A. Takeda, Satosi Wada, Masatosi Fujii, 1971 .

Lactone Carboxylic Acids. I. Synthesis of α, γ-Substituted Paraconic Acids

A. Takeda, S. Torii*, 1967 .

Lactone Carboxylic Acids. V. A Way of Preparing a Lignans Skeleton

A. Takeda, S. Torii*, 1968 .

A new approach to (±)-leukotriene A4 methyl ester

T. Masuda, S. Tsuboi, A. Takeda, 1983 .