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Katsuichi Shimoji

Harvard University

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Publication

Featured researches published by Katsuichi Shimoji.

Tetrahedron Letters | 1983

Magnesium and zinc-catalyzed thioketalization

E. J. Corey; Katsuichi Shimoji

Abstract Reaction of a variety of ketones with ethane-1,2-dithiol to form thioketals proceeds very efficiently and under mild conditions using magnesium or zinc triflates as catalyst.

Tetrahedron Letters | 1984

Preferential formation of 8-epi-prostaglandin f2α via the corresponding endoperoxide by a biomimetic cyclization

E. J. Corey; Chuan Shih; Neng-Yang Shih; Katsuichi Shimoji

Homolytic demercuration of the 1,2-dioxolanes 14a and 14b in the presence of oxygen leads preferentially to endoperoxidee 17 (both epimers at C*) which upon reduction affords 8-epi-prostaglandin F2α and the C(15)-epimer, a result in accord with a previous mechanistic proposal.

Tetrahedron Letters | 1980

The synthesis of new aromatic prostacyclin analog

Katsuichi Shimoji; Masaki Hayashi

Abstract The new aromatic prostacyclin analog 3a and 3b were synthesized from the allylic alcohol 5 in high regio- and stereoselectivity.

Journal of the American Chemical Society | 1974

New synthesis of .alpha.,.beta.-unsaturated carboxylic esters

Katsuichi Shimoji; Hiroaki Taguchi; Koichiro Oshima; Kisashi Yamamoto; Hitosi Nozaki

Journal of the American Chemical Society | 1973

New synthesis of ketones using 1-(alkylthio)vinyllithium

Koichiro Oshima; Katsuichi Shimoji; Hiroshi Takahashi; Hisashi Yamamoto; Hitosi Nozaki

Bulletin of the Chemical Society of Japan | 1974

A New Synthesis of α,β-Unsaturated Carboxylic Esters. The Condensation of Ethyl Lithiotrimethylsilylacetate with Carbonyl Compounds

Hiroaki Taguchi; Katsuichi Shimoji; Hisashi Yamamoto; Hitosi Nozaki

Journal of the American Chemical Society | 1984

Synthesis of prostaglandins via a 1,2-dioxabicyclo[2.2.1]heptane (endoperoxide) intermediate. Stereochemical divergence of enzymic and biomimetic chemical cyclization reactions

E. J. Corey; Katsuichi Shimoji; Chuan Shih

Journal of Medicinal Chemistry | 1983

Synthesis and 5-lipoxygenase inhibitory activities of eicosanoid compounds.

Yoshinobu Arai; Katsuichi Shimoji; Mitoshi Konno; Yoshitaka Konishi; Shigehiro Okuyama; Sadahiko Iguchi; Masaki Hayashi; Tsumoru Miyamoto; Masaaki Toda

Journal of the American Chemical Society | 1983

Total synthesis of the major human urinary metabolite of prostaglandin D2, a key diagnostic indicator

E. J. Corey; Katsuichi Shimoji

Chemical & Pharmaceutical Bulletin | 1982

Structural Analogs of Leukotrienes C and D avd Their Contractile Activities

Shigehiro Okuyama; Shigetoshi Miyamoto; Katsuichi Shimoji; Yoshitaka Konishi; Daikichi Fukushima; Haruki Niwa; Yoshinobu Arai; Masaaki Toda; Masaki Hayashi

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Masaki Hayashi

Gunma University

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Masaaki Toda

Nagoya University

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Hisashi Yamamoto

Chubu University

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E. J. Corey

Harvard University

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Hitosi Nozaki

Kyoto University

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Hiroaki Taguchi

Kyoto University

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Koichiro Oshima

Kyoto University

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Chuan Shih

Harvard University

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Shinsuke Hashimoto

Harvard University

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Yoshitaka Konishi

Harvard University

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