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Kenya Kawashima

Takeda Pharmaceutical Company

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Publication

Featured researches published by Kenya Kawashima.

Tetrahedron | 1967

The stereochemistry of chromomycinone and a note on the benzoate rule

Masuo Miyamoto; Katsura Morita; Yutaka Kawamatsu; Kenya Kawashima; Koji Nakanishi

Abstract It has been shown that chromomycinone can be represented by the absolute configurational structure 1. Molecular rotation differences between the acetate and benzoate of secondary alcohols can be employed for deriving the absolute configuration.

Tetrahedron | 1967

Chromomycin A2, A3 and A4

Masuo Miyamoto; Yutaka Kawamatsu; Kenya Kawashima; M. Shinohara; Kuniyoshi Tanaka; Sueo Tatsuoka; Koji Nakanishi

Tetrahedron Letters | 1973

A new synthesis of nitriles

Takahiro Saraie; Toshihiro Ishiguro; Kenya Kawashima; Katsura Morita

Chemical & Pharmaceutical Bulletin | 1978

On the Reactions of Dibenz [b, f] oxireno [d] azepine Derivatives

Kenya Kawashima; Toshihiro Ishiguro

Tetrahedron Letters | 1966

The full structures of three chromomycins, A2, A3 and A4

Masuo Miyamoto; Yutaka Kawamatsu; Kenya Kawashima; M. Shinohara; Koji Nakanishi

Chemical & Pharmaceutical Bulletin | 1978

Synthesis of Dibenzo [b, f] cycloprop [d] azepine Derivatives. II. Introduction of a Cyclopropane Ring by the Dichloromethylene Transfer Reaction

Kenya Kawashima; Takahiro Saraie; Yasuhiko Kawano; Toshihiro Ishiguro

Chemical & Pharmaceutical Bulletin | 1976

Synthesis of dibenzo[b,f]cycloprop[d]azepine derivatives. I. Introduction of a cyclopropane ring by the use of Simmons-Smith reagent.

Kenya Kawashima; Yasuhiko Kawano

Archive | 1976

1,1-Dichloro-1a,1b-dihydrodibenzo(b,f)cycloprop(d)azepine-6(1H)-carboxaldehyde

Kenya Kawashima; Takahiro Saraie; Yasuhiko Kawano; Toshihiro Ishiguro

Archive | 1974

Verfahren zur herstellung von tetrahydrodibenzocyclopropazepin A process for preparing tetrahydrodibenzocyclopropazepin

Kenya Kawashima; Takahiro Saraie; Yasuhiko Kawano; Toshihiro Ishiguro

Archive | 1974

METHOD FOR PRODUCING TETRAHYDRODIBENZOCYCLO-PROPAZEPINE

Takahiro Saraie; Kenya Kawashima; Yasuhiko Kawano; Toshihiro Ishiguro

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Toshihiro Ishiguro

Takeda Pharmaceutical Company

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Takahiro Saraie

Takeda Pharmaceutical Company

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Yasuhiko Kawano

Takeda Pharmaceutical Company

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Katsura Morita

Takeda Pharmaceutical Company

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Masuo Miyamoto

Takeda Pharmaceutical Company

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Yutaka Kawamatsu

Takeda Pharmaceutical Company

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Koji Nakanishi

Columbia University

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M. Shinohara

Takeda Pharmaceutical Company

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Kuniyoshi Tanaka

Takeda Pharmaceutical Company

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Sueo Tatsuoka

Takeda Pharmaceutical Company

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