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Takashi Ohnishi

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Publication

Featured researches published by Takashi Ohnishi.

Tetrahedron Letters | 1985

Selective cleavage of polycyclic cyclopropanes by electrochemical oxidation

Yoshiharu Matsubara; Toshikazu Uchida; Takashi Ohnishi; Koichi Kanehira; Yoshiji Fujita; Tsuneaki Hirashima; Ikuzo Nishiguchi

Abstract Anodic oxidation in acetic acid of polycyclic cyclopropanes, namely tricyclene, cyclofenchene, and longicyclene, followed by hydrolysis brought about stereo- and regioselective formation of the corresponding homoallylic alcohols as the main product in good yields.

Journal of Organic Chemistry | 1990

Electrochemical oxidation of polycyclic cyclopropanes and camphene. Novel synthesis of exo-5,5-dimethyl-6-methylenebicyclo[2.2.1]heptan-2-ol (Nojigiku alcohol)

Toshikazu Uchida; Yoshiharu Matsubara; Ikuzo Nishiguchi; Tsuneaki Hirashima; Takashi Ohnishi; Koichi Kanehira

Archive | 1979

Hydroquinone derivatives and preparation thereof

Yoshiji Fujita; Takashi Ohnishi; Takashi Nishida

Archive | 1977

Substituted propargyl alcohols, allylic alcohols and unsaturated ketones, and methods for the production thereof

Yoshiji Fujita; Fumio Wada; Takashi Ohnishi; Takashi Nishida; Yoshiaki Omura; Fumio Mori; Takeo Hosogai; Sukeji Aihara

Archive | 1984

Trimethylcyclohexenyl compounds and aroma compositions containing the same

Takashi Ohnishi; Shigeaki Suzuki; Yoshiji Fujita; Takashi Nishida

Archive | 1980

Production of ionones and irones by thermal rearrangement of propargylic alcohols

Takashi Ohnishi; Yoshiji Fujita; Michihiro Ishiguro; Takashi Nishida

Archive | 1977

Process for the production of unsaturated ketones

Takashi Ohnishi; Yoshiji Fujita; Fumio Wada; Takashi Nishida; Yoshiaki Omura; Fumio Mori; Takeo Hosogai; Sukeji Aihara

Archive | 1979

Hydrochinonderivate und verfahren zu ihrer herstellung Hydroquinone derivatives and process for their preparation

Yoshiji Fujita; Takashi Ohnishi; Takashi Nishida

Archive | 1979

Hydroquinone derivatives and process for their manufacture

Yoshiji Fujita; Takashi Ohnishi; Takashi Nishida

Archive | 1978

Verfahren zur herstellung von iononen und ironen Process for the preparation of ionones and irones

Takashi Ohnishi; Yoshiji Fujita

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Collaboration

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Yoshiji Fujita

Taisho Pharmaceutical Co.

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Takashi Nishida

Taisho Pharmaceutical Co.

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Fumio Wada

Kyushu University

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Takeo Hosogai

Tohoku University

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Ikuzo Nishiguchi

Nagaoka University of Technology

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Koichi Kanehira

Kyoto University

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Toshikazu Uchida

Kindai University

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Yoshiharu Matsubara

Kindai University

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Michihiro Ishiguro

Taisho Pharmaceutical Co.

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Shigeaki Suzuki

Tokyo Institute of Technology

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