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Hiroshi Kiyokawa

Osaka University

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Publication

Featured researches published by Hiroshi Kiyokawa.

Journal of The Chemical Society-perkin Transactions 1 | 1974

Michael addition of dimethyloxosulphonic-(3-oxocyclohex-1-enyl)methanides to αβ-unsaturated compounds: preparation of some vinylcyclopropanes

Yasumitsu Tamuru; Tomohisa Miyamoto; Hiroshi Kiyokawa; Yasuyuki Kita

Dimethyloxosulphonio-(3-oxocyclohex-1-enyl) methanides reacted with various Michael receptors to produce vinylcyclopropanes.

Journal of The Chemical Society-perkin Transactions 1 | 1974

Reaction of dimethyloxosulphonio- and triphenylphosphonio-(3-oxocyclohex-1-enyl)methanides with diphenylcyclopropenone

Yasumitsu Tamura; Tomohisa Miyamoto; Hiroshi Kiyokawa; Yasuyuki Kita

Dimethyloxosulphonio- and triphenylphosphonio-(3-oxocyclohex-1-ethyl)methanides react with diphenylcyclo-propenone to afford 8-hydroxy-3,4-dihydronaphthalen-1(2H)-one derivatives.

Tetrahedron Letters | 1977

Syntheses of stipitatic acid and hinokitiol

Yasumitsu Tamura; Tatsuya Saito; Hiroshi Kiyokawa; L. C. Chen; Hiroyuki Ishibashi

ChemInform | 1981

STUDIES ON 3,5-DIOXOPIPERIDINES: NOVEL AND FACILE SYNTHETIC ROUTES TO 3-AMINO-5-HYDROXYPYRIDINE DERIVATIVES

Yasumitsu Tamura; Masanobu Fujita; Ling Ching Chen; Hiroshi Kiyokawa; Kyoji Ueno; Yasuyuki Kita

Chemical & Pharmaceutical Bulletin | 1979

Photo-reaction of β-Ketovinyl Sulfur Compounds

Yasumitsu Tamura; Hiroshi Kiyokawa; Yasuyuki Kita

Tetrahedron Letters | 1978

1,3-Dipolar cycloaddition of 5-methoxy-1-methyl-3-oxidopyridinium

Yasumitsu Tamura; M. Akita; Hiroshi Kiyokawa; L. C. Chen; Hiroyuki Ishibashi

Chemical & Pharmaceutical Bulletin | 1981

Studies on 3, 5-Dioxopiperidines and Related Compounds : Synthesis of 5-(3-tert-Butylamino-2-hydroxy) propoxy-1, 2, 3, 4-tetrahydro-2-oxo-1, 7-naphthyridine

Yasumitsu Tamura; Ching Ling Chen; Masanobu Fujita; Hiroshi Kiyokawa; Yasuyuki Kita

ChemInform | 1982

STUDIES ON 3,5-DIOXOPIPERIDINES AND RELATED COMPOUNDS: SYNTHESIS OF 5-(3-TERT-BUTYLAMINO-2-HYDROXY)PROPOXY-1,2,3,4-TETRAHYDRO-2-OXO-1,7-NAPHTHYRIDINE

Yasumitsu Tamura; L. C. Chen; Masanobu Fujita; Hiroshi Kiyokawa; Yasuyuki Kita

ChemInform | 1980

A NEW AND EFFECTIVE SYNTHESIS OF ENAMINONES DERIVED FROM N-BENZYL- AND N-ACETYLPIPERIDINE-3,5-DIONES

Yasumitsu Tamura; L. C. Chen; Masanobu Fujita; Hiroshi Kiyokawa; Yasuyuki Kita

ChemInform | 1979

PHOTO-REACTION OF β-KETOVINYL SULFUR COMPOUNDS

Yasumitsu Tamura; Hiroshi Kiyokawa; Yasuyuki Kita

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Yasumitsu Tamura

Osaka University

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Yasuyuki Kita

Ritsumeikan University

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L. C. Chen

Osaka University

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Masanobu Fujita

Osaka University

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Tomohisa Miyamoto

Osaka University

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Hiroyuki Ishibashi

Kanazawa University

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Ching Ling Chen

Osaka University

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Kyoji Ueno

Osaka University

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Ling Ching Chen

Osaka University

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Tatsuya Saito

Osaka University

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