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Tomio Ohta

University of Tokyo

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Publication

Featured researches published by Tomio Ohta.

Tetrahedron Letters | 1993

A simple and efficient synthesis of 2,- 3-, or 4-(2-nitrophenyl)pyridine derivatives via palladium catalyzed ullmann cross-coupling reaction

Noboru Shimizu; Takahiro Kitamura; Koichiro Watanabe; Takashi Yamaguchi; Hiromichi Shigyo; Tomio Ohta

Abstract The Ullmann cross-coupling reaction of halopyridines with 2-bromonitirobenzenes was successffully catalyzed by low valent palladium [Pd(PPh 3 ) 4 , PdCl 2 (PPh 3 ) 2 , PdCl 2 ] to afford (2-nitrophenyl)pyridine derivatives in good to excellent yield.

Archive | 1990

Diamine compound and brain protecting agent containing the same

Seiichi Sato; Kiyoshi Kawamura; Yoshio Takahashi; Koichiro Watanabe; Sadahiro Shimizu; Tomio Ohta

Archive | 1993

Quinoline derivatives or salt thereof and remedy for cardiac diseases containing the same

Yoshinori Kyotani; Tadaaki Ohgiya; Tsutomu Toma; Yuji Kurihara; Takahiro Kitamura; Takashi Yamaguchi; Kazuhiro Onogi; Seiichi Sato; Hiromichi Shigyo; Tomio Ohta; Mitsuo Kawada; Yasumi Uchida

Chemical & Pharmaceutical Bulletin | 1990

An efficient synthesis of the optical isomers of nipradilol

Kiyoshi Kawamura; Tomio Ohta; Genji Otani

Chemical & Pharmaceutical Bulletin | 1981

Studies on the Oxidation of N-Substituted-dibenz [b, f] azepines I. Oxidation with m-Chloroperbenzoic Acid

Tomio Ohta; Naoki Miyata; Masaaki Hirobe

Archive | 1986

Phenyl guanidinobenzoate derivatives which have protease inhibitory activity

Setsuro Fujii; Eizou Hattori; Mitsuteru Hirata; Koichiro Watanabe; Tomio Ohta; Nobuo Yokoo; Masahiko Nagakura

Archive | 1988

Substituted anilide compounds which are useful in the treatment of arrhythmia

Kimiyuki Shibuya; Yoshio Takahashi; Seiichi Sato; Hiromichi Shigyo; Tomio Ohta; Yasumi Uchida

Chemical & Pharmaceutical Bulletin | 1984

Studies on the oxidation of N-substituted-dibenz[b,f]azepines. II: Syntheses and reactions of 5H-dibenz[b,f]azepine 10,11-oxides

Tomio Ohta; Naoki Miyata; Masaaki Hirobe

Chemical & Pharmaceutical Bulletin | 1993

Synthesis and Antiarrhythmic Activity of Disubstituted Phenylpyridine Derivative

Hiromichi Shigyo; Seiichi Sato; Kimiyuki Shibuya; Yoshio Takahashi; Takashi Yamaguchi; Hiroyuki Sonoki; Tomio Ohta

Archive | 1985

Anti-arteriosclerotic pyridyl or imidazolyl derivatives of carbonyloxyalkyl hantzsch esters

Noboru Shimizu; Hiroyuki Ishiwata; Tomio Ohta; Hiroshi Ishihama; Yasumi Uchida

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Seiichi Sato

University of Toyama

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Yasumi Uchida

University of Tokyo

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Hiromichi Shigyo

Kyushu University

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Takashi Yamaguchi

Ritsumeikan University

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Kiyoshi Kawamura

Pfizer

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Koichiro Watanabe

Fukuoka University

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Masaaki Hirobe

University of Tokyo

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Mikio Fujii

Showa University

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Naoki Miyata

University of Tokyo

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Tadaaki Ohgiya

Keio University

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