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Osamu Itoh

Kyoto University

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Featured researches published by Osamu Itoh.

Journal of The Chemical Society, Chemical Communications | 1992

The first example of carbonylation of triarylbismuthines : remarkable rhodium(I) catalysis

Chan Sik Cho; Toshiyuki Ohe; Osamu Itoh; Sakae Uemura

Triarylbismuthines (Ar3Bi: Ar = C6H5, 4-MeC6H4, 4-MeOC6H4, 4-ClC6H4) react with atmospheric pressure of carbon monoxide in acetonitrile, tetrahydrofuran or methanol at 25 °C in the presence of a catalytic amount of either [RhCl(CO)2]2 or RhCl3·3H2O to produce the corresponding diaryl ketones in good yields, methyl benzoates being also formed in methanol.

Journal of The Chemical Society, Chemical Communications | 1979

Difference between the acidities of cis- and trans-hydrogens at a cyclopropane ring carbon

Osamu Itoh; Nobuyuki Yamamoto; Hiroshi Fujimoto; Katsuhiko Ichikawa

Results from deuterium exchange experiments indicate that the acidity of 1-H of cis-1-acetyl-2-phenylcyclopropane is much higher than that of 1-H of the trans-isomer; this agrees with results of CNDO/2 calculations.

Journal of Organic Chemistry | 1995

Facile Palladium-Catalyzed Carbonylation of Triarylstibines in the Presence of Ammonium Cerium(IV) Nitrate

Chan Sik Cho; Koichiro Tanabe; Osamu Itoh; Sakae Uemura

Journal of Organic Chemistry | 1966

The Reaction of Oxymercurials with Active Methylene Compounds and the Demercuration of the Resulting Mercurials with Acid and Base

Katsuhiko Ichikawa; Osamu Itoh; Takahisa Kawamura; Mutsuzo Fujiwara; Tamotsu Ueno

Journal of Organic Chemistry | 1992

Friedel-Crafts .alpha.-aminoacylation of alkylbenzene with a chiral N-carboxy-.alpha.-amino acid anhydride without loss of chirality

Osamu Itoh; Toshiya Honnami; Akira Amano; Kouichi Murata; Youta Koichi; Toshio Sugita

Bulletin of the Chemical Society of Japan | 1980

Phenyl- and tolylthallium(III) bis(trichloroacetate)s; Preparation and reactions.

Sakae Uemura; Haruo Miyoshi; Mikio Wakasugi; Masaya Okano; Osamu Itoh; Takaaki Izumi; Katsuhiko Ichikawa

Bulletin of the Chemical Society of Japan | 1968

Reaction of Oxymercurials. Synthesis of 6,6-Dimethyl-spiro[2,5]octan-4,8-dione

Katsuhiko Ichikawa; Osamu Itoh; Takahisa Kawamura

Bulletin of the Chemical Society of Japan | 1974

Asymmetric Synthesis in the Oxymercuration Reaction Using Optically Active Mercuric Salts

Toshio Sugita; Yasuo Yamasaki; Osamu Itoh; Katsuhiko Ichikawa

Bulletin of the Chemical Society of Japan | 1980

Friedel-Crafts Reaction of Aromatics with Epoxides. Stereochemistry and Selectivities

Masashi Inoue; Keizo Chano; Osamu Itoh; Toshio Sugita; Katsuhiko Ichikawa

Bulletin of the Chemical Society of Japan | 1976

Chemistry of 1,3-Glycol Derivatives. I. The Reactions of 2,4-Pentanediol Derivatives

Osamu Itoh; Yasunori Ichikawa; Hiroaki Katano; Katsuhiko Ichikawa

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Katsuhiko Ichikawa

Kyoto University

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Toshio Sugita

Kyoto University

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Sakae Uemura

Kyoto University

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Masashi Inoue

Kyoto University

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Akira Amano

Ritsumeikan University

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Chan Sik Cho

Kyoto University

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Haruo Miyoshi

Kyoto University

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Koichiro Tanabe

Kyoto University

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Kouichi Murata

Kyoto University

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Masaya Okano

Kyoto University

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