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Azuma Watanabe

Keio University

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Publication

Featured researches published by Azuma Watanabe.

Tetrahedron Letters | 1986

A total synthesis of 6-methoxy-epi PS-5 from aminomalonate.

Takeo Yoshioka; Azuma Watanabe; Kunio Isshiki; Yasuo Fukagawa; Tomoyuki Ishikura

Abstract 6-Methoxy- epi PS-5 1 was stereoselectively synthesized via a bicyclic β-lactam from N-benzyloxycarbonylaminomalonate.

Archive | 1987

3-(CHFCH3)-azetidinone intermediates

Takeo Yoshioka; Noritaka Chida; Azuma Watanabe; Yasuo Fukagawa; Tomoyuki Ishikura

The Journal of Antibiotics | 1981

Syntheses of 4'-deoxy-demycarosyl tylosin and its analogues.

Akihiro Tanaka; Azuma Watanabe; Tsutomu Tsuchiya; Sumio Umezawa; Hamao Umezawa

Bulletin of the Chemical Society of Japan | 1981

Syntheses of Recyclized Macrolide Antibiotics and Related Derivatives from Mycaminosyltylonolide

Akihiro Tanaka; Azuma Watanabe; Reiko Kobayashi; Tsutomu Tsuchiya; Sumio Umezawa

The Journal of Antibiotics | 1984

STRUCTURES OF OA-6129D AND E, NEW CARBAPENAM ANTIBIOTICS

Takeo Yoshioka; Azuma Watanabe; Ikuo Kojima; Yasutaka Shimauchi; Mitsuyasu Okabe; Yasuo Fukagawa; Tomoyuki Ishikura

Bulletin of the Chemical Society of Japan | 1987

Total synthesis of 6-hydroxy-epi-PS 5 and 6-methoxy-epi-PS 5.

Azuma Watanabe; Yasuo Fukagawa; Tomoyuki Ishikura; Takeo Yoshioka

The Journal of Antibiotics | 1981

Syntheses of 9-Substituted Josamycin,13-Substituted Isojosamycin and Their Tetrahydro Derivatives

Akihiro Tanaka; Azuma Watanabe; Reiko Kobayashi; Tsutomu Tsuchiya; Sumio Umezawa; Masa Hamada; Hamao Umezawa

The Journal of Antibiotics | 1983

Structures of OA-6129A,B1′B2 and C, New Carbapenem Antibiotics Produced by Streptomyces sp. OA-6129

Takeo Yoshioka; Ikuo Kojima; Kunio Isshiki; Azuma Watanabe; Yasutaka Shimauchi; Mitsuyasu Okabe; Yasuo Fukagawa; Tomoyuki Ishikura

The Journal of Antibiotics | 1989

Conversion of OA-6129 B2 into (5R,6R)-6-((R)-1-fluoroethyl)-7-oxo-3-((N.N.N-trimethyl-carbamimidoyl)methyl)thio-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid (88617).

Takeo Yoshioka; Azuma Watanabe; Noritaka Chida; Yasuo Fukagawa

Archive | 1987

6-(disubstituted amino)carbapenem compounds

Takeo Yoshioka; Noritaka Chida; Azuma Watanabe; Yasuo Fukagawa; Tomoyuki Ishikura

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Takeo Yoshioka

Mercian Corporation

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Yasuo Fukagawa

Mercian Corporation

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Tomoyuki Ishikura

Mercian Corporation

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Noritaka Chida

Keio University

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Hiroshi Tone

Mercian Corporation

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Rokuro Okamoto

Mercian Corporation

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Akihiro Tanaka

Waseda University

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Hiroyuki Chiba

Mercian Corporation

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Ikuo Kojima

Mercian Corporation

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Kaichiro Kominato

Mercian Corporation

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