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Dive into the research topics where Takaharu Ikeda is active.

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Featured researches published by Takaharu Ikeda.


Synthetic Communications | 1994

A Facile Preparation of (E)-α-(1H-1,2,4-Triazol-1-yl)styryl Ketones Using Isomerization-Crystallization Method

Yoshiaki Oda; Takaharu Ikeda; Kazuhiro Tada

Abstract Treatment of (Z)-α-(1H-1,2,4-triazol-1-yl)styryl ketones with acids such as sulfuric acid and methanesulfonic acid in the presence of bromine as a catalyst followed by hydrolysis of the resulting crystalline salts gives the corresponding (E)-isomers with high efficiency.


Archive | 1981

Process for preparing biotin

Naohito Ohashi; Takaharu Ikeda; Kozo Shimago; Takeo Takahashi; Kikuo Ishizumi


Archive | 1983

Preparation of optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione and its intermediates

Naohito Ohashi; Kozo Shimago; Takaharu Ikeda; Kikuo Ishizumi


Archive | 1987

Method of obtaining optically active half esters

Naohito Ohashi; Kozo Shimago; Takaharu Ikeda; Kikuo Ishizumi; Tadashi Katsura; Masayoshi Minai


Archive | 1991

Process for preparing haloketo acid derivatives

Takaharu Ikeda; Seiichi Kai; Masayoshi Minai


Archive | 1989

Process for producing optically active threo-dihydroxyphenylserine derivatives

Ryoji Noyori; Masato Kitamura; Takaharu Ikeda; Hiroshi Yamachika; Kikuo Ishizumi; Toru Terashima


Archive | 1991

Process for preparing optically active cyclopentenones

Masayoshi Minai; Sachiko Imazu; Seiichi Kai; Takaharu Ikeda; Hideyuki Ikehira


Archive | 1994

Process for producing optically active alpha-isopropyl-p-chlorophenylacetic acid

Yoshiaki Oda; Takaharu Ikeda; Hiroshi Yamachika


Archive | 1990

Process for producing optically active alcohol

Yukio Yoneyoshi; Gohfu Suzukamo; Naoto Konya; Takaharu Ikeda


Archive | 1983

A method for preparing optically active half esters

Naohito Ohashi; Kozo Shimago; Takaharu Ikeda; Kikuo Ishizumi; Tadashi Katsura; Masayoshi Minai

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