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Y. Hirai

Tohoku University

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Publication

Featured researches published by Y. Hirai.

Journal of the American Chemical Society | 1978

Convenient and stereoselective route to basic frameworks for synthesis of unsymmetrical pentacyclic triterpenes

Tetsuji Kametani; Y. Hirai; Yuichi Shiratori; Keiichiro Fukumoto; Fumio Satoh

Chemical & Pharmaceutical Bulletin | 1973

Studies on the Syntheses of Heterocyclic Compounds. DXIX. A Total Synthesis of (±)-Discretine by Thermolysis

Tetsuji Kametani; Y. Hirai; Fumio Satoh; Kunio Ogasawara; Keiichiro Fukumoto

Chemical & Pharmaceutical Bulletin | 1976

Studies on the Syntheses of Heterocyclic Compounds. DCLXXI. An Alternative Total Synthesis of Yohimbine

Tetsuji Kametani; Y. Hirai; Keiichiro Fukumoto

Journal of Heterocyclic Chemistry | 1975

Studies on the syntheses of heterocyclic compounds. Part DLXXXVII A modified synthesis of the spirobenzylisoquinolines

Telsuji Kametani; Y. Hirai; Hideo Nemoto; Keiichiro Fukumoto

ChemInform | 1978

CONVENIENT AND STEREOSELECTIVE ROUTE TO BASIC FRAMEWORKS FOR SYNTHESIS OF UNSYMMETRICAL PENTACYCLIC TRITERPENES

Tetsuji Kametani; Y. Hirai; Yuichi Shiratori; Keiichiro Fukumoto; Fumio Satoh

ChemInform | 1977

STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCLXXI. AN ALTERNATIVE TOTAL SYNTHESIS OF YOHIMBINE

Tetsuji Kametani; Y. Hirai; Keiichiro Fukumoto

ChemInform | 1977

SHORT AND STEREOSELECTIVE CONSTRUCTION OF A KEY INTERMEDIATE FOR SYNTHESIS OF UNSYMMETRICAL PENTACYCLIC TRITERPENES

Tetsuji Kametani; Y. Hirai; Fumio Satoh; Keiichiro Fukumoto

ChemInform | 1976

SYNTHESES OF HETEROCYCLIC COMPOUNDS. DCXLI. CONVENIENT SYNTHESIS OF HEXADEHYDROYOHIMBINE AND A TOTAL SYNTHESIS OF YOHIMBINE

Tetsuji Kametani; Y. Hirai; Masahiro Kajiwara; Takashi Takahashi; Keiichiro Fukumoto

ChemInform | 1975

STUDIES ON THE SYNTHESIS OF TETRACYCLINE DERIVATIVES PART 1, THERMOLYTIC CYCLOADDITION OF O-QUINODIMETHANES WITH NAPHTHOQUINONE

Tetsuji Kametani; T. Takahashi; Masahiro Kajiwara; Y. Hirai; C. Ohtsuka; Fumio Satoh; Keiichiro Fukumoto

ChemInform | 1975

SYNTHESES OF HETEROCYCLIC COMPOUNDS THROUGH O-QUINODIMETHANE INTERMEDIATES

Tetsuji Kametani; Keiichiro Fukumoto; Toshio Suzuki; Masahiro Kajiwara; Takashi Takahashi; Hiromitsu Takeda; Y. Hirai; Kimio Takahashi; Yoshifumi Ichikawa

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Keiichiro Fukumoto

Tohoku University

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Tetsuji Kametani

Hoshi University

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Fumio Satoh

Tohoku University

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Masahiro Kajiwara

Tohoku University

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Kunio Ogasawara

Tohoku University

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Takashi Takahashi

Tohoku University

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Yuichi Shiratori

Tohoku University

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Hideo Nemoto

Tohoku University

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Hiromitsu Takeda

Tohoku University

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Kimio Takahashi

Tohoku University

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