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Dive into the research topics where Hiroshi Yoshizawa is active.

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Featured researches published by Hiroshi Yoshizawa.


Chemical & Pharmaceutical Bulletin | 1989

MNDO (Modified Neglect of Diatomic Overlap) Study of the Nucleophilic Substitution Reactions of Chloropyrimidines

Miho Yukawa; Tokihiro Niiya; Yoshinobu Goto; Takao Sakamoto; Hiroshi Yoshizawa; Atsuko Watanabe; Hiroshi Yamanaka


Chemical & Pharmaceutical Bulletin | 1980

Simultaneous Determination of Capsaicin, Dihydrocapsaicin and Nordihydrocapsaicin in Capsicum Fruit by Gas Chromatography

Kazuhiko Sagara; Sadao Kakizawa; Kohji Kasuya; Tetsuo Misaki; Hiroshi Yoshizawa


ChemInform | 1983

STUDIES ON PYRIMIDINE DERIVATIVES. XXXI. SYNTHESIS OF CHLOROMETHYLPYRIMIDINES S BY REACTION OF MONOMETHYLPYRIMIDINE N-OXIDES WITH PHOSPHORYL CHLORIDE

Hiroshi Yamanaka; Takao Sakamoto; Sohichi Kaneda; Yoshiaki Hama; Hiroshi Yoshizawa


ChemInform | 1985

Selective Reactions of Active Methyl Groups on Pyridine and Quinoline Rings.

Hiroshi Yamanaka; Takao Sakamoto; Hiroshi Yoshizawa; Sumiko Nishimura


ChemInform | 1984

Substituent Effect on the Site-Selective Reaction of Pyrimidines.

Hiroshi Yamanaka; Takao Sakamaot; Hiroshi Yoshizawa; Soichi Kaneda


ChemInform | 1984

STUDIES ON PYRIMIDINE DERIVATIVES. XXXIV. SUBSTITUENT EFFECT ON THE REACTION OF 4-SUBSTITUTED 2,6-DIMETHYLPYRIMIDINE 1-OXIDES WITH ACETIC ANHYDRIDE

Takao Sakamoto; Hiroshi Yoshizawa; Sohichi Kaneda; Hiroshi Yamanaka


ChemInform | 1984

STUDIES ON PYRIMIDINE DERIVATIVES. XXXIII. SYNTHESIS OF ALKYL PYRIMIDINYL KETONES BY MEANS OF NITROSATION OF ALKYLPYRIMIDINES

Takao Sakamoto; Takeji Sakasai; Hiroshi Yoshizawa; K. Tanji; Sumiko Nishimura; Hiroshi Yamanaka


ChemInform | 1984

STUDIES ON PYRIMIDINE DERIVATIVES. XXXII. REACTION OF 4-SUBSTITUTED 2,6-DIMETHYLPYRIMIDINE 1-OXIDES WITH PHOSPHORYL CHLORIDE

Takao Sakamoto; Hiroshi Yoshizawa; Sohichi Kaneda; Yoshiaki Hama; Hiroshi Yamanaka


ChemInform | 1984

STUDIES ON PYRIMIDINE DERIVATIVES. XXXVI. REACTION OF 6-SUBSTITUTED 2,4-DIMETHYLPYRIMIDINES WITH BENZALDEHYDE IN THE PRESENCE OF ZINC CHLORIDE

Takao Sakamoto; Hiroshi Yoshizawa; Hiroshi Yamanaka


ChemInform | 1982

Site-Selective Effect of N-Oxide Function to Methyl Groups on Six-Membered N-Heteroaromatics.

Hiroshi Yamanaka; Takao Sakamoto; Hiroshi Yoshizawa; Yoshinobu Goto; Tokihiro Niiya; Noriko Honjo

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Yoshinobu Goto

International University of Health and Welfare

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Kazuhiko Sagara

Taisho Pharmaceutical Co.

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