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Katsumi Yonemoto

Okayama University

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Publication

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Journal of The Chemical Society, Chemical Communications | 1990

Theoretical study on the unusual effect of phenyl substituent on second-order hyperpolarizability

Masato Kodaka; Toshio Fukaya; Katsumi Yonemoto; Isao Shibuya

The second-order hyperpolarizability (βx) of 2-[cyano(methoxycarbonyl)methylene]-4-phenyl-1,3-dithiole (1) is found theoretically to decrease sharply when the phenyl group is orientated at an angle of around 30° to the plane of the dithiole ring.

Bulletin of the Chemical Society of Japan | 1988

Reactivities of stable rotamers. XXII. Lewis acid-catalyzed reactions of 3-(1,4-disubstituted 9-triptycyl)-3-methylbutanoyl chloride. Isolation of rotameric ketones and competition between cyclizations to substituted and to unsubstituted benzene rings.

Toshimasa Tanaka; Katsumi Yonemoto; Yasufumi Nakai; Gaku Yamamoto; Michinori Oki

Bulletin of the Chemical Society of Japan | 1990

The synthesis of isocyanurates on the trimerization of isocyanates under high pressure.

Yoichi Taguchi; Isao Shibuya; Masahiko Yasumoto; Tohru Tsuchiya; Katsumi Yonemoto

Bulletin of the Chemical Society of Japan | 1986

The synthesis of 3-aryl-5-dialkylamino-1,4,2-dithiazol-1-ium salts

Isao Shibuya; Katsumi Yonemoto

Bulletin of the Chemical Society of Japan | 1988

Formation of 1,4,2,5-Dithiadiazines as a Heterocyclic System by Reaction of 1,4,2-Dithiazolium Salts with Sulfenamides

Katsumi Yonemoto; Isao Shibuya; Kazumasa Honda

Bulletin of the Chemical Society of Japan | 1990

Preparation and reactions of 5-aryl-1,4,2-dithiazolium salts.

Katsumi Yonemoto; Isao Shibuya; Tohru Tsuchiya; Masahiko Yasumoto; Yoichi Taguchi

Bulletin of the Chemical Society of Japan | 1989

Reaction of 1,4,2-Dithiazolium and 1,3-Dithiolium Salts with Malononitrile

Katsumi Yonemoto; Isao Shibuya; Kazumasa Honda

Bulletin of the Chemical Society of Japan | 1988

Reaction of 1,4,2-Dithiazolium Salts with Amino Compounds

Katsumi Yonemoto; Isao Shibuya

Bulletin of the Chemical Society of Japan | 1993

Reactivities of Stable Rotamers. XXXII. Chlorodecarboxylation of 3-(1,4-Dimethyl-9-triptycyl)-3-methylbutanoic Acid Rotamers

Michinori Oki; Yasushi Taguchi; Toshiyuki Okamoto; Tsutomu Miyasaka; Koji Hamada; Shinji Toyota; Katsumi Yonemoto; Gaku Yamamoto

Chemistry Letters | 1990

A novel preparation of 2-imino-1,3-thiazetidines from carbon disulfide, dialkylcyanamide, and benzylideneaniline under high pressure.

Tohru Tsuchiya; Masahiko Yasumoto; Isao Shibuya; Yoichi Taguchi; Katsumi Yonemoto; Midori Goto

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Isao Shibuya

National Institute of Advanced Industrial Science and Technology

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Yoichi Taguchi

National Institute of Advanced Industrial Science and Technology

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Tohru Tsuchiya

University of Tokyo

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Gaku Yamamoto

Kitasato University

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Michinori Oki

University of Tokyo

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Shinji Toyota

Tokyo Institute of Technology

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Yasushi Taguchi

Mochida Pharmaceutical Co.

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Kazumasa Honda

National Institute of Advanced Industrial Science and Technology

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Midori Goto

National Institute of Advanced Industrial Science and Technology

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Toshimasa Tanaka

Kyushu University

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