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Archive | 1983

1,4-Dihydropyridine derivatives

Masuo Murakami; Kozo Takahashi; Masaru Iwanami; Masaharu Fujimoto; Tadao Shibanuma; Ryutaro Kawai; Toichi Takenaka


Chemical & Pharmaceutical Bulletin | 1979

Synthesis of New Water-soluble Dihydropyridine Vasodilators

Masaru Iwanami; Tadao Shibanuma; Masaharu Fujimoto; Ryutaro Kawai; Kazuharu Tamazawa; Toichi Takenaka; Kozo Takahashi; Masuo Murakami


Chemical & Pharmaceutical Bulletin | 1980

Synthesis of New Cephamycin Derivatives and a Novel Rearrangement between Isothiazolethioacetamides and 1,3-Dithietanecarboxamides

Masaru Iwanami; Tetsuya Maeda; Masaharu Fujimoto; Yoshinobu Nagano; Noriaki Nagano; Atsuki Yamazaki; Tadao Shibanuma; Kazuharu Tamazawa; Kuniichiro Yano


Chemical & Pharmaceutical Bulletin | 1980

Synthesis of the Metabolites of 2-(N-Benzyl-N-methylamino)ethyl Methyl 2,6-Dimethyl-4-(m-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate Hydrochloride (Nicardipine Hydrochloride, YC-93)

Tadao Shibanuma; Masaru Iwanami; Masaharu Fujimoto; Toichi Takenaka; Masuo Murakami


Archive | 1978

Cephalosporin derivatives having at the 3-position of the cephem ring a heterocyclic thiomethyl group with a carboxy or sulfo group and at the 7-position of the cephem ring an α-heterocylic acylaminophenyl-acetamide group

Masuo Murakami; Ichiro Isaka; Norio Kawahara; Masaru Iwanami; Masaharu Fujimoto; Tetsuya Maeda; Tadao Shibanuma; Yoshinobu Nagano


Archive | 1978

7α-Methoxy-7β-(1,3-dithietane-2-carboxamido)cephalosporanic acid derivatives

Masaru Iwanami; Tetsuya Maeda; Yoshinobu Nagano; Masaharu Fujimoto; Noriaki Nagano; Atsuki Yamazaki


Organic Process Research & Development | 2004

Process development and pilot-scale synthesis of cefotetan

Masaharu Fujimoto; Tetsuya Maeda; Keisuke Okumura; Mitsuru Uda; Makoto Nakamura; Teruya Kashiwagi; Takashi Tsunoda


Archive | 1980

Process for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxamido)cephalosporanic acid derivatives

Masaru Iwanami; Tetsuya Maeda; Yoshinobu Nagano; Masaharu Fujimoto; Noriaki Nagano; Atsuki Yamazaki


Archive | 1993

new cephalosporin derivatives

Masuo Murakami; Ichiro Isaka; Norio Kawahara; Masaru Iwanami; Masaharu Fujimoto; Tetsuya Maeda; Tadao Shibanuma; Yoshinobu Nagano


Archive | 1985

Process for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxyamido)cephalosporanic acid derivatives

Masaru Iwanami; Tetsuya Maeda; Yoshinobu Nagano; Masaharu Fujimoto; Noriaki Nagano; Atsuki Yamazaki

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