H. Ohta

发表

Enzyme‐ and Microorganism‐Mediated Syntheses of Substances Related to Glycoconjugates

A. Kuboki, M. Bakke, T. Sekiguchi, 2010 .

Introduction of single mutation changes arylmalonate decarboxylase to racemase.

H. Ohta, K. Miyamoto, Y. Terao, 2006, Chemical communications.

Yeast-mediated synthesis of optically active diols with C2-symmetry and (R)-4-pentanolide

H. Ohta, T. Sugai, H. Ikeda, 1996 .

The Aldol Type Reaction Catalyzed by Arylmalonate Decarboxylase —A Decarboxylase can Catalyze an Entirely Different Reaction, Aldol Reaction—

H. Ohta, K. Miyamoto, Y. Terao, 2007 .

A chemo-enzymatic elaboration of a quarternary chiral center: an alternative approach to the side chain of furaquinocin D

H. Ohta, T. Sugai, Y. Ohtsuka, 1998 .

Microbial hydrolysis of 3-substituted glutaronitriles

H. Ohta, T. Sugai, H. Kakeya, 1991 .

Asymmetric decarboxylation of α-hydroxy- and α-amino-α-phenylmalonate catalyzed by arylmalonate decarboxylase from Alcaligenes bronchisepticus

Kenji Miyamoto, H. Ohta, K. Miyamoto, 2008 .

Enzyme-mediated asymmetric decarboxylation of disubstituted malonic acids

H. Ohta, K. Miyamoto, 1990 .

Microbial asymmetric decarboxylation of fluorine-containing arylmalonic acid derivatives

H. Ohta, K. Miyamoto, S. Tsuchiya, 1992 .

Preparative-scale Enzyme-catalyzed Synthesis of (R)-α-Fluorophenylacetic Acid.

H. Ohta, T. Sugai, S. Hanzawa, 1999, Bioscience, biotechnology, and biochemistry.

The First Synthesis of Both Enantiomers of [α-2H]Phenylacetic Acid in High Enantiomeric Excess.

H. Ohta, T. Sugai, S. Hanzawa, 2000 .

Cloning and heterologous expression of a novel arylmalonate decarboxylase gene from Alcaligenes bronchisepticus KU 1201

H. Ohta, K. Miyamoto, 1992, Applied Microbiology and Biotechnology.

Biodesulfurization of dibenzothiophene with Rhodococcus erythropolis ATCC 53968 and its mutant in an interface bioreactor.

H. Ohta, S. Oda, 2002, Journal of bioscience and bioengineering.

(+)-(4aR,9aS)-O-(4-Bromobenzoyl)-N-(3-methylanthracen-9-ylidene)hydroxylamine

N. Ishida, H. Ohta, D. Kato, 2005 .

Synthesis of complex-type glycans derived from parasitic helminths.

H. Ohta, Yukishige Ito, A. Ishiwata, 2007, Carbohydrate research.

New application of firefly luciferase − it can catalyze the enantioselective thioester formation of 2‐arylpropanoic acid

H. Ohta, D. Kato, M. Takeo, 2007, The FEBS journal.

Purification and characterization of aldehyde dehydrogenase with a broad substrate specificity originated from 2-phenylethanol-assimilating Brevibacterium sp. KU1309

H. Ohta, K. Miyamoto, J. Hirano, 2007, Applied Microbiology and Biotechnology.

Improved Enzymatic Procedure for a Preparative-Scale Synthesis of Sialic Acid and KDN.

A. Kuboki, H. Ohta, T. Sugai, 1995 .

On the Conformation of the Substrate Binding to the Active Site during the Course of Enzymatic Decarboxylation

H. Ohta, T. Kawasaki, Emiko Horimai, 1996 .

A Chemo-Enzymatic Synthesis of D-Allosamine Derivatives from Tri-O-acetyl-D-glucal

A. Kuboki, H. Ohta, T. Sugai, 1997 .

Synthesis of methyl ursodeoxycholate via microbial reduction of methyl 7-ketolithocholate with Eubacterium aerofaciens JCM 7790 grown on two kinds of carbon and hydride sources, glucose and mannitol.

H. Ohta, T. Sugai, S. Oda, 2001, Journal of bioscience and bioengineering.

Preparation of methyl ursodeoxycholate in an interface bioreactor: use of a mixed solvent system to increase the solubilities of substrate and product.

H. Ohta, T. Sugai, S. Oda, 2001, Journal of bioscience and bioengineering.

Preparation of methyl ursodeoxycholate via microbial reduction of methyl 7-ketolithocholate in an anaerobic interface bioreactor.

H. Ohta, T. Sugai, S. Oda, 2001, Journal of bioscience and bioengineering.

Highly efficient conversion of (±)-mandelic acid to its (R)-(−)-enantiomer by combination of enzyme-mediated oxidation and reduction

H. Ohta, K. Miyamoto, S. Tsuchiya, 1992, Biotechnology Letters.

Enantioselective oxidation of mandelic acid using a phenylmalonate metabolizing pathway of a soil bacteriumAlcaligenesbronchisepticus KU 1201

H. Ohta, K. Miyamoto, 1992, Biotechnology Letters.

Microbial epoxidation of long-chain terminal olefins

H. Ohta, Hatsuki Tetsukawa, 1979 .

AN EXPEDITIOUS ROUTE TO N-GLYCOLYLNEURAMINIC ACID BASED ON ENZYME-CATALYZED REACTION

A. Kuboki, H. Ohta, T. Sugai, 1997 .

Microbial hydrolysis as a potent method for the preparation of optically active nitriles, amides and carboxylic acids

H. Ohta, T. Sugai, H. Kakeya, 1991 .

(R)-1-Phenyl-1-ethylammonium (R)-2-hydroxymethyl-2-(2-naphthyl)propanoate

H. Ohta, K. Miyamoto, Y. Terao, 2005 .

Enzymatic decarboxylation of synthetic compounds

H. Ohta, K. Miyamoto, 2007 .

Asymmetric reduction of nitro olefins by fermenting bakers' yeast

H. Ohta, N. Kobayashi, K. Ozaki, 1989 .

Enantioselective Oxidation of Sulfinic Acid Esters with the Aid of a Microorganism

H. Ohta, T. Sugai, T. Kawasaki, 1992 .

Enzyme-mediated enantioface-differentiating hydrolysis of enol esters.

H. Ohta, Kazutsugu Matsumoto, 1989 .

Kinetic Resolution of Enol Esters via Enzyme-Mediated Hydrolysis

H. Ohta, Kazutsugu Matsumoto, 1989 .

Microbial Oxidation of Racemic vic-Diols Synthesis of (R)- and (S)-α-Hydroxypropiophenones

H. Ohta, H. Yamada, G. Tsuchihashi, 1987 .

Enantiotopically selective oxidation of .alpha.,.omega.-diols with enzyme systems of microorganisms

H. Ohta, Hatsuki Tetsukawa, N. Noto, 1982 .

Enantiotopically selective oxidation of 1,3-diols with a microorganism.

H. Ohta, Hatsuki Tetsukawa, 1979 .

Production of aliphatic carboxylic acids via microbial oxidation of 1-alkanols with interface bioreactor

N. Matsudomi, H. Ohta, A. Kato, 1994 .

Crystallization and preliminary X-ray diffraction experiments of arylmalonate decarboxylase from Alcaligenes bronchisepticus.

M. Nakasako, H. Ohta, K. Miyamoto, 2008, Acta crystallographica. Section F, Structural biology and crystallization communications.

A synthesis of natural α-tocopherol intermediate

H. Ohta, T. Sugai, N. Watanabe, 1991 .

The first synthesis of both enantiomers of [α-2H]phenylacetic acid in high enantiomeric excess

H. Ohta, T. Sugai, S. Hanzawa, 2000 .

4 Cofactor Recycling Using a Thermostable NADH Oxidase

H. Ohta, S. Yoshida, K. Miyamoto, 2017 .

Cofactor Recycling Using a Thermostable NADH Oxidase

H. Ohta, S. Yoshida, K. Miyamoto, 2012 .

Purification and characterization of thermostable H2O2-forming NADH oxidase from 2-phenylethanol-assimilating Brevibacterium sp. KU1309

H. Ohta, K. Miyamoto, J. Hirano, 2008, Applied Microbiology and Biotechnology.

Interface Bioreactor: Microbial Transformation Device on an Interface Between a Hydrophilic Carrier and a Hydrophobic Organic Solvent

H. Ohta, T. Sugai, S. Oda, 2001 .

Microbial Transformation on Interface between Hydrophilic Carriers and Hydrophobic Organic Solvents

H. Ohta, S. Oda, 1992 .

Alleviation of Toxicity of Poisonous Organic Compounds on Hydrophilic Carrier/Hydrophobic Organic Solvent Interface

H. Ohta, S. Oda, 1992 .

Studies on enzymatic oxidation of sulfides. Part II. Microbial oxidation of alkyl aryl sulfides to the corresponding optically active sulfoxides.

H. Ohta, G. Tsuchihashi, Y. Okamoto, 1985 .

Yamadazyma Farinosa IFO 10896-Mediated Reduction of 4,4-Dimethoxy-2-Butanone as the Key-Step for the Preparation of 1,3-Diols with Unsymmetrical Substituents

A. Kuboki, H. Ohta, T. Sugai, 2000 .

BIOCATALYTIC APPROACHES TO BOTH ENANTIOMERS OF (2R*,3S*)-2-ALLYLOXY-3,4,5,6-TETRAHYDRO-2H-PYRAN-3-OL

H. Ohta, T. Sugai, H. Ikeda, 1996 .

Kinetic resolution of poly(ethylene glycol)-supported carbonates by enzymatic hydrolysis

H. Ohta, Kazutsugu Matsumoto, Masayuki Okudomi, 2006 .

Syntheses of Highly Oxygen-functionalized Derivatives of Dihydrodihydroxyphthalic Acid in Enantiomerically Enriched Forms.

H. Ohta, T. Sugai, S. Ohba, 1998, Bioscience, biotechnology, and biochemistry.

Access to Wieland-Miescher ketone in an enantiomerically pure form by a kinetic resolution with yeast-mediated reduction.

H. Ohta, T. Sugai, N. Funa, 2000, The Journal of organic chemistry.

Asymmetric Microbial Oxidation of Formaldehyde Dithioacetals

H. Ohta, G. Tsuchihashi, Y. Okamoto, 1986 .

Synthesis of (Rc,Ss)-1,1,1-Trifluoro-3-(p-tolylsulfinyl)-2-propanol by an Asymmetric Reduction with a Yeast, Yamadazyma farinosa, as a Key-step

M. Bakke, H. Ohta, T. Sugai, 1999 .

Preparation of enantiomerically enriched compounds by using enzymes, Part 17. Enzymatic Preparation of Glycerol-related Chiral Pool Possessing tert-Alkoxy Group.

H. Ohta, T. Sugai, N. Watanabe, 1992 .

Oxidation ofsec-Alcohols to the Corresponding Ketones byCorynebacterium equi

H. Ohta, G. Tsuchihashi, H. Fujiwara, 1984 .

Lipase-Catalyzed Enantiomeric Resolution of Ceramides.

M. Takizawa, M. Bakke, H. Ohta, 1998, The Journal of organic chemistry.

Syntheses of Optically Active Citronellol, Citronellal, and Citronellic Acid by Microbial Oxidation and Double Coupling System in an Interface Bioreactor

H. Ohta, T. Sugai, S. Oda, 2000 .

Production of (S)-citronellic acid and (R)-citronellol with an interface bioreactor

N. Matsudomi, H. Ohta, A. Kato, 1995 .

Preparation of Sulfur-Containing Optically Active Secondary Alcohols Based on Pichia farinosa-Catalyzed anti-Prelog-Rule Reduction as the Key Step.

H. Ohta, T. Sugai, Y. Ohtsuka, 1997 .

Biocatalytic Preparation of (R) - (-) -4- (Phenylthio) -2-butanol and (R) - (-) -4- (Phenylsulfonyl) -2-butanol by the Sequential Use of Pichia farinosa and Rhodococcus rhodochrous

H. Ohta, T. Sugai, Y. Ohtsuka, 1996 .

Enzymatic Preparation of Ethyl (S)-3-Hydroxybutanoate with a High Enantiomeric Excess

H. Ohta, T. Sugai, 1989 .

N-Carbamylamino Alcohols as the Precursors of Oxazolidinones via Nitrosation-Deamination Reaction

H. Ohta, T. Sugai, S. Nishiyama, 2000 .

Thermally driven asymmetric domino reaction catalyzed by a thermostable esterase and its variants

H. Ohta, R. Kourist, S. Yoshida, 2013 .

A Facile Access to Aryl α-Sialosides: the Combination of a Volatile Amine Base and Acetonitrile in Glycosidation of Sialosyl Chlorides

A. Kuboki, T. Sekiguchi, H. Ohta, 1998 .

Enzymatic kinetic resolution of cyanohydrin acetates and its application to the synthesis of (S)-(-)-frontalin

H. Ohta, T. Sugai, Y. Sugano, 1989 .

Microbial asymmetric reduction of α-hydroxyketones in the anti-Prelog selectivity

H. Ohta, T. Sugai, Toshikuni Tsujigami, 2001 .

Selective Hydrogenation of Carbon-Carbon Double bonds of Chalcones by Corynebacterium equi IFO 3730

H. Ohta, J. Konishi, G. Tsuchihashi, 1985 .

Kinetic resolution of ketone cyanohydrin acetates with a microbial enzyme

H. Ohta, Y. Sugano, Y. Kimura, 1988 .

Enzyme-Mediated Enantioselective Protonation to Enolates in an Aqueous Medium

H. Ohta, 1997 .

Application of microbial enantiofacially selective hydrolysis in natural product synthesis

H. Ohta, T. Sugai, O. Katoh, 1994 .

Regiospecific introduction of two carbon moieties into the vicinal positions of cyclopentadiene and synthesis of C9-terpene lactones

H. Ohta, T. Kobori, T. Fujisawa, 1977 .

Preparation of optically active ketones via enantioface-differentiating protonation of prochiral enolates

H. Ohta, K. Matsumoto, 1991 .

Substrate specificity and reaction mechanism of recombinant styrene oxide isomerase from Pseudomonas putida S12

Kenji Miyamoto, Kou Okuro, H. Ohta, 2007 .

Asymmetric Epoxidation of Long Chain Terminal Olefins by Corynebacterium equi IFO 3730

H. Ohta, Hatsuki Tetsukawa, 1979 .

Biocatalysis in Organic Synthesis : The Use of Nitrile- and Amide-hydrolyzing Microorganisms

H. Ohta, T. Sugai, M. Yokoyama, 1997 .

A synthesis of (R)-(-)-mevalonolactone by the combination of enzymatic and chemical methods

H. Ohta, T. Sugai, H. Kakeya, 1990 .

A novel method for the formation of N-glycosides using hydroxamate

H. Ohta, Yukishige Ito, Tsuyoshi Ichiyanagi, 2003 .

DEOXYGENATION OF EPOXIDES TO OLEFINS WITH FeCl3–n-BuLi SYSTEM

H. Ohta, T. Fujisawa, K. Sugimoto, 1974 .

Degradation of Derivatives of N-Acetyl-D-glucosamine by Rhodococcus rhodochrous IFO 15564: Substrate Specificity and Its Application to the Synthesis of Allyl α-N-Acetyl-D-glucosaminide.

A. Kuboki, T. Sekiguchi, H. Ohta, 1998, Bioscience, biotechnology, and biochemistry.

Chemo-enzymatic synthesis of (R,R)-(-)-Pyrenophorin

H. Ohta, T. Sugai, O. Katoh, 1995 .

Asymmetric Hydrogenation of 2-Aryl-1-nitropropenes by Fermenting Bakers’ Yeast

H. Ohta, G. Tsuchihashi, K. Ozaki, 1987 .

Enzyme-mediated asymmetric hydrolysis of α-benzyloxycarboxylic esters

H. Ohta, Y. Kato, G. Tsuchihashi, 1987 .

Microbial Reduction of 1, 2-Diketones to Optically Active α-Hydroxyketones

H. Ohta, Y. Kato, J. Konishi, 1987 .

ASYMMETRIC REDUCTION OF BENZIL TO BENZOIN CATALYZED BY THE ENZYME SYSTEM OF A MICROORGANISM

H. Ohta, J. Konishi, G. Tsuchihashi, 1985 .

An Approach to Anthracycline Synthetic Intermediate from Novel Glycerol-related Chiral Pool

H. Ohta, N. Watanabe, 1992 .

Microbial deracemization of alpha-substituted carboxylic acids: substrate specificity and mechanistic investigation.

H. Ohta, D. Kato, S. Mitsuda, 2003, The Journal of organic chemistry.

Microbial Deracemization of α-Substituted Carboxylic Acids: Substrate Specificity and Mechanistic Investigation.

H. Ohta, D. Kato, S. Mitsuda, 2004 .

Microbial Deracemization of α-Substituted Carboxylic Acids.

H. Ohta, D. Kato, S. Mitsuda, 2002 .

Conversion of α-methyltropate to optically active α-phenylpropionate by tropate-degrading Rhodococcus sp. KU1314

H. Ohta, K. Miyamoto, Shinji Hirokawa, 2007 .

Microbial deracemization of α-substituted carboxylic acids: control of the reaction path

H. Ohta, D. Kato, K. Miyamoto, 2004 .

Microbial Deracemization of α-Substituted Carboxylic Acids

H. Ohta, D. Kato, S. Mitsuda, 2002 .

A simple total synthesis of cyclopentanoid C9-terpene lactones

H. Ohta, T. Kobori, T. Fujisawa, 1976 .

Synthesis of complex-type glycans derived from parasitic helminths.

H. Ohta, Yukishige Ito, J. Nakano, 2006, Bioorganic & medicinal chemistry letters.

Inversion of enantioselectivity of asymmetric biocatalytic decarboxylation by site-directed mutagenesis based on the reaction mechanism.

H. Ohta, N. Doi, H. Yanagawa, 2005, Chemical communications.

Mechanism of asymmetric decarboxylation of α-aryl-α-methylmalonate catalyzed by arylmalonate decarboxylase originated from Alcaligenes bronchisepticus

H. Ohta, K. Miyamoto, M. Ueda, 2004 .

Coupling of Metabolism and Bioconversion: Microbial Esterification of Citronellol with Acetyl Coenzyme A Produced via Metabolism of Glucose in an Interface Bioreactor

N. Matsudomi, H. Ohta, A. Kato, 1996, Applied and environmental microbiology.

A New Double Coupling System: Synthesis of Citronellyl Acetate via Transacetylation to Citronellol from Acetyl Coenzyme A Produced from Glucose and Free Fatty Acids

H. Ohta, S. Oda, 2001, Bioscience, biotechnology and biochemistry.

Coupling of Fermentation and Esterification: Microbial Esterification of Decanoic Acid with Ethanol Produced via Fermentation

H. Ohta, S. Oda, Hiromichi OHTA, 2001, Bioscience, biotechnology, and biochemistry.

Synthesis of Citronellyl Acetate via a Transacetylation to Citronellol from Acetyl Coenzyme A Produced from Glucose and Acetate in Growing Yeasts

H. Ohta, T. Sugai, S. Oda, 2001 .

Optical resolution of racemic citronellol via a double coupling system in an interface bioreactor.

H. Ohta, T. Sugai, S. Oda, 1999, Journal of bioscience and bioengineering.

Production of ethyl (R)-2-hydroxy-4-phenylbutanoate via reduction of ethyl 2-oxo-4-phenylbutanoate in an interface bioreactor.

H. Ohta, S. Oda, A. Kobayashi, 1998, Bioscience, biotechnology, and biochemistry.

Interface Bioreactor Packed with Synthetic Polymer Pad : Application to Hydrolysis of Neat 2-Ethylhexyl Acetate

H. Ohta, S. Oda, J. Tanaka, 1998 .

Double coupling of acetyl coenzyme A production and microbial esterification with alcohol acetyltransferase in an interface bioreactor

H. Ohta, S. Oda, 1997 .

Enantioselective Oxidation of Racemic Citronellol with an Interface Bioreactor

N. Matsudomi, H. Ohta, A. Kato, 1996 .

Preparation of Optically Active α-Hydroxy Acid Derivatives by Microbial Hydrolysis of Cyanohydrins and Its Application to the Synthesis of (R)-4-Dodecanolide

H. Ohta, T. Sugai, H. Kakeya, 1991 .

A simple preparation of (R)-2-hydroxy-4-phenyl-butanoic acid

H. Ohta, T. Sugai, 1991 .

Lipase-Catalyzed Kinetic Resolution of 2-Hydroxyhexadecanoic Acid and Its Esters

H. Ohta, T. Sugai, 1990 .

Preparation of enantiomerically enriched compounds using enzymes; VII.1 A synthesis of Japanese beetle pheromone utilizing lipase-catalyzed enantioselective lactonization

H. Ohta, T. Sugai, H. Yamada, 1990 .

Microbial kinetic resolution of 2-substituted-1-propanol

Kenji Miyamoto, K. Fujimori, H. Ohta, 2009 .

Synthesis of (S)-ibuprofen via enantioselective degradation of racemic ibuprofen with an isolated yeast, Trichosporon cutaneum KPY 30802, in an interface bioreactor.

H. Ohta, S. Oda, J. Tanaka, 2001, Journal of Bioscience and Bioengineering.

Preparation of Enantiomerically Enriched Compounds Using Enzymes. Part 7. A Synthesis of Japanese Beetle Pheromone Utilizing Lipase-Catalyzed Enantioselective Lactonization.

H. Ohta, T. Sugai, Shoko Ohsawa, 2010 .

Realization of the synthesis of α,α-disubstituted carbamylacetates and cyanoacetates by either enzymatic or chemical functional group transformation, depending upon the substrate specificity of Rhodococcus amidase

H. Ohta, T. Sugai, K. Fuhshuku, 2004 .

Rhodococcus rhodochrous IFO 15564-mediated hydrolysis of alicyclic nitriles and amides: stereoselectivity and use for kinetic resolution and asymmetrization

H. Ohta, T. Sugai, Akio Sano, 1998 .

Lipase-mediated efficient preparation of both enantiomers of 2-acetoxytetracosanoic acid, the intermediate for sphingolipid synthesis

H. Ohta, T. Sugai, 1991 .

Selective hydrogenation of carbon-carbon double bonds of chalcones by the aid of a microorganism

H. Ohta, J. Konishi, G. Tsuchihashi, 1983 .

Preparation of Enantiomerically Enriched Compounds Using Enzymes. Part 3. Enzymatic Preparation of Enantiomerically Enriched Tertiary α- Benzyloxy Acid Esters. Application to the Synthesis of (S)-(-)- Frontalin.

H. Ohta, T. Sugai, H. Kakeya, 1991 .

Purification and characterization of the alcohol dehydrogenase with a broad substrate specificity originated from 2-phenylethanol-assimilating Brevibacterium sp. KU 1309.

Kenji Miyamoto, H. Ohta, K. Miyamoto, 2005, Journal of bioscience and bioengineering.

Enantioselective microbial hydrolysis of dissymmetrical cyclic carbonates with disubstitution

H. Ohta, M. Hatanaka, Kazutsugu Matsumoto, 2006 .

Accelerated glycosylation under frozen conditions

H. Ohta, Yukishige Ito, M. Arai, 2004 .

Purification and properties of a novel arylmalonate decarboxylase from Alcaligenes bronchisepticus KU 1201.

H. Ohta, K. Miyamoto, K Miyamoto, 1992, European journal of biochemistry.

Action of Nitrile Hydratase from Rhodococcus rhodochrous IFO 15564 on Derivatives of 2, 5-Anhydro-D-allononitrile

H. Ohta, T. Sugai, Yuko Nakatsuka, 1996 .

Synthesis of Regioselectively Protected on Enzyme-catalyzed Deacetylation asForms the Keyof Cytidine Step Based

A. Kuboki, H. Ohta, Y. Kajihara, 2017 .

Synthesis of Regioselectively Protected Forms of Cytidine Based on Enzyme-catalyzed Deacetylation as the Key Step

A. Kuboki, H. Ohta, T. Sugai, 2000, Bioscience, biotechnology, and biochemistry.

Asymmetric synthesis of (1S,3S,5R)-1,3-dimethyl-2,9-dioxabicyclo[3.3.1]nonane mediated by fermenting Bakers' yeast

H. Ohta, G. Tsuchihashi, K. Ozaki, 1987 .

Preparation of both enantiomers of methyl 3-benzoyloxypentanoate by enzyme-catalysed hydrolysis of corresponding racemic nitrile and amide

H. Ohta, T. Sugai, M. Yokoyama, 1996 .

A synthetic study of (−)-dihydroedulan II and related compounds

T. Yokochi, H. Ohta, T. Sugai, 1991 .

A synthesis of (-)-sitophilate by utilizing yeast-mediated reduction of an enol ester

H. Ohta, T. Sugai, D. Sakuma, 1991 .

Studies on enzymic oxidation of sulfides. V. Switching of the direction of enzyme-mediated oxidation and reduction of sulfur-substituted 2-propanols and 2-propanones

H. Ohta, Y. Kato, G. Tsuchihashi, 1987 .

Asymmetric hydrolysis of a disubstituted malononitrile by the aid of a microorganism

H. Ohta, T. Sugai, M. Yokoyama, 1993 .

Reduction of acyl enolates of alpha-substituted beta-keto esters by bakers' yeast.

H. Ohta, T. Sugai, N. Kobayashi, 1990, Agricultural and biological chemistry.

Biochemical preparation of optically active 4-hydroxy-β-ionone and its transformation to (S)-6-hydroxy-α-ionone

H. Ohta, T. Sugai, H. Kakeya, 1991 .

A novel thermostable esterase from the thermoacidophilic archaeon Sulfolobus tokodaii strain 7.

H. Ohta, K. Miyamoto, Yoichi Suzuki, 2004, FEMS microbiology letters.

Biochemical Reduction of 3-Oxoalkanoic Esters by a Bottom-fermentation Yeast, Saccharomyces cerevisiae IFO 0565

H. Ohta, T. Sugai, Hiromichi Ohta, 1994 .

Efficient lipase-catalyzed preparation of long-chain fatty acid esters of bile acids: biological activity and synthetic application of the products.

M. Takizawa, M. Bakke, H. Ohta, 1996, Bioscience, biotechnology and biochemistry.

A synthesis of (−)-deoxypodocarpic acid methyl ester via an enzymatic enantioselective hydrolysis of the key intermidiate enol ester

H. Ohta, T. Sugai, H. Kakeya, 1989 .

Screening, cloning, expression, and purification of an acidic arylmalonate decarboxylase from Enterobacter cloacae KU1313

Kenji Miyamoto, H. Ohta, K. Miyamoto, 2008, Applied Microbiology and Biotechnology.

Purification and characterization of arylmalonate decarboxylase from Achromobacter sp. KU1311.

Kenji Miyamoto, H. Ohta, K. Miyamoto, 2007, Journal of bioscience and bioengineering.

Contamination of rare earth oxide surfaces stored in vacuum environment

H. Ohta, Jason Tam, P. Brodersen, 2023, Colloids and Surfaces A: Physicochemical and Engineering Aspects.

Microbial Hydrolysis as a Potent Method for the Preparation of Optically Active Nitriles, Amides, and Carboxylic Acids.

H. Ohta, T. Sugai, N. Sakai, 1992 .

Purification and Gene Cloning of an Enantioselective Thioesterification Enzyme from Brevibacterium ketoglutamicum KU1073, a Deracemization Bacterium of 2-(4-Chlorophenoxy)propanoic Acid

H. Ohta, D. Kato, M. Takeo, 2010, Bioscience, biotechnology, and biochemistry.

BIOCATALYST-MEDIATED EFFICIENT PREPARATION OF HIGHLY ENANTIOMERICALLY ENRICHED (R)-5-HEXANOLIDE

H. Ohta, T. Sugai, H. Ikeda, 1997 .

Kinetic Resolution of Enol Esters via Enzyme-Mediated Hydrolysis.

H. Ohta, Kazutsugu Matsumoto, 1990 .

Application of Microorganisms and Enzymes in Synthetic Organic Chemistry

H. Ohta, 1988 .

Enzyme-mediated enantioface-differentiating hydrolysis of α-substituted sulfur-containing cyclic ketone enol esters

H. Ohta, Y. Kume, 1992 .

Stereoselective Oxidation of β-Methyl-sec-alcohols and α-Methylketones by Corynebacterium equi IFO 3730

H. Ohta, G. Tsuchihashi, T. Iwabuchi, 1986 .

Enzyme-Mediated Enantioface-Differentiating Hydrolysis of α- Substituted Sulfur-Containing Cyclic Ketone Enol Esters.

H. Ohta, Y. Kume, 1993 .

Enzyme-mediated enantioface-differentiating hydrolysis of .alpha.-substituted cycloalkanone enol esters

H. Ohta, S. Tsutsumi, Kazutsugu Matsumoto, 1990 .

Enzyme‐Mediated Enantioface‐Differentiating Hydrolysis of α‐ Substituted Cycloalkanone Enol Esters.

H. Ohta, K. Matsumoto, S. Tsutsumi, 1991 .

Preparation of Optically Active α-Acetoxyacylophenones via Enzyme Mediated Hydrolysis

Hiroyuki, H. Ohta, G. Tsuchihashi, 1986 .

The green and effective oxidation of alcohols to carboxylic acids with molecular oxygen via biocatalytic reaction

Kenji Miyamoto, H. Ohta, K. Miyamoto, 2008 .

Enzymatic preparation of enantiomerically enriched tertiary α-benzyloxy acid esters. Application to the synthesis of (S)-(-)-frontalin

H. Ohta, T. Sugai, H. Kakeya, 1990 .

Identification of a thermostable and enantioselective amidase from the thermoacidophilic archaeon Sulfolobus tokodaii strain 7.

H. Ohta, Yoichi Suzuki, 2006, Protein expression and purification.

Preparation of Chiral Secondary Alcohols via Enantioselective Hydrolysis of Corresponding Esters with a Microorganism

H. Ohta, Hatsuki Tetsukawa, 1980 .

Stereochemistry of Decarboxylation of Arylmalonate Catalyzed by Mutant Enzymes

H. Ohta, K. Miyamoto, Y. Terao, 2007 .

Improvement of the activity of arylmalonate decarboxylase by random mutagenesis

H. Ohta, K. Miyamoto, Y. Terao, 2006, Applied Microbiology and Biotechnology.

CYSTEINE188 REVEALED AS BEING CRITICAL FOR THE ENZYME ACTIVITY OF ARYLMALONATE DECARBOXYLASE BY SITE-DIRECTED MUTAGENESIS

H. Ohta, S. Hanzawa, H. Kakidani, 1997 .

The Mode of Substrate-Recognition Mechanism of Arylmalonate Decarboxylase

H. Ohta, T. Kawasaki, Koji Saito, 1997 .

Direct Observation of Thiol Ester Formation between an Enzyme and an Active Site Directed Inhibitor by FT-IR

H. Ohta, T. Kawasaki, Koji Saito, 1996 .

Effect of conformation of the substrate on enzymatic eecarboxylation of α-Arylmalonic Acid

H. Ohta, Y. Osamura, K. Miyamoto, 1994 .

Biocatalytic asymmetric decarboxylation.

H. Ohta, 1999, Advances in biochemical engineering/biotechnology.

Effect of conformation of the substrate on enzymatic decarboxylation of alpha-arylmalonic acid.

H. Ohta, Y. Osamura, K. Miyamoto, 1994, Bioorganic & Medicinal Chemistry.

Inversion of enantioselectivity of arylmalonate decarboxylase via site-directed mutation based on the proposed reaction mechanism

Kenji Miyamoto, H. Ohta, K. Miyamoto, 2007 .

Enzymatic Synthesis of (R)-Flurbiprofen

H. Ohta, Y. Terao, H. Kakidani, 2003 .

A Novel Enzymatic Decarboxylation Proceeds via a Thiol Ester Intermediate

Masakatsu Watanabe, H. Ohta, T. Kawasaki, 1995 .

Asymmetric Decarboxylation of Disubstituted Malonic Acid by Alcaligenes bronchisepticus KU 1201

H. Ohta, K. Miyamoto, 1991 .

Stereochemistry of enzyme-catalyzed decarboxylation of α-methyl-α-phenylmalonic acid

H. Ohta, K. Miyamoto, S. Tsuchiya, 1992 .

Enzymatic Synthesis of (R)‐Flurbiprofen.

H. Ohta, Y. Terao, H. Kakidani, 2004 .

Stereochemistry of Enzyme‐Catalyzed Decarboxylation of α‐Methyl‐. alpha.‐phenylmalonic Acid.

H. Ohta, K. Miyamoto, S. Tsuchiya, 1992 .

Oxidation of Allylic Sulfides with Corynebacterium equi

H. Ohta, G. Tsuchihashi, Y. Okamoto, 1985 .