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Featured researches published by Keiichi Uchida.


Tetrahedron Letters | 1986

Trifluoromethyl group induced highly stereoselective synthesis of α-hydroxy carbonyl compounds

Yoshitomi Morizawa; Arata Yasuda; Keiichi Uchida

Abstract The reaction of enolate prepared from ethyl 3-methyl-4,4,4-tri-fluorobutyrate with MoO5-Py-HMPA complex provides ethyl (2S★,3S★)-2-hydroxy-3-methyl-4,4,4-trifluorobutyrate predominantly. In contrast, NaBH4 reduction of the corresponding 2-oxobutyrate affords (2R★, 3S★)-hydroxyester preferentially.


Archive | 1973

Process for preparing unsaturated aldehyde having three to four carbon atoms

Yoshio Oda; Keiichi Uchida; Manabu Suhara; Takeshi Morimoto


Archive | 1972

Process for preparing unsaturated carboxylic acids from the corresponding unsaturated aldehydes

Yoshio Oda; Keiichi Uchida; Takeshi Morimoto


Archive | 1972

Process for preparing acrylic acid and or methacrylic acid from acrolein or methacrolein

Takeshi Morimoto; Yoshio Oda; Keiichi Uchida


The Journal of Antibiotics | 1985

Preparation of fluorinated antibiotics followed by 19F NMR spectroscopy. I. Fluorinated vulgamycins.

Akira Kawashima; Haruo Seto; Masao Kato; Keiichi Uchida; Noboru Otake


Archive | 1988

Fluorine containing cyclopentane derivatives and processes for their production

Yoshitomi Morizawa; Toshiaki Nakayama; Arata Yasuda; Keiichi Uchida


Bulletin of the Chemical Society of Japan | 1989

Stereoselective Synthesis of 3′-Deoxy-3′-fluoroadenosine

Yoshitomi Morizawa; Toshiaki Nakayama; Arata Yasuda; Keiichi Uchida


The Journal of Antibiotics | 1985

Preparation of fluorinated antibiotics followed by 19F NMR spectroscopy. II: Fluorinated actinomycins

Akira Kawashima; Haruo Seto; Masao Kato; Arata Yasuda; Keiichi Uchida; Noboru Otake


The Journal of Antibiotics | 1986

PREPARATION OF FLUORINATED ANTIBIOTICS FOLLOWED BY 19F NMR SPECTROSCOPY

Akira Kawashima; Haruo Seto; Masao Kato; Arata Yasuda; Keiichi Uchida; Noboru Take


Archive | 1976

PROCESS FOR PREPARING METHACRYLIC ACID

Yoshio Oda; Keiichi Uchida; Takeshi Morimoto; Seisaku Kumai

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Akira Kawashima

Taisho Pharmaceutical Co.

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