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Dive into the research topics where Shimpei Tomita is active.

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Featured researches published by Shimpei Tomita.


Journal of Organic Chemistry | 1971

Synthetic reactions by complex catalysts. XIX. Copper-catalyzed cycloaddition reactions of isocyanides. Novel synthesis of .DELTA.1-pyrroline and .DELTA.2-oxazoline

Takeo Saegusa; Yoshihiko Ito; Hideo. Kinoshita; Shimpei Tomita


Bulletin of the Chemical Society of Japan | 1972

Synthetic Reactions by Complex Catalysts. XXIV. A New Catalyst of Copper-Isocyanide Complex for the Michael Addition

Takeo Saegusa; Yoshihiko Ito; Shimpei Tomita; Hideo. Kinoshita


Journal of the American Chemical Society | 1971

Cyclopentadienylcopper(I)-isocyanide complex. New preparative method and catalyst activity

Takeo Saegusa; Yoshihiko Ito; Shimpei Tomita


Journal of the American Chemical Society | 1973

Synthetic reactions by complex catalysts. XXXI. Novel and versatile method of heterocycle synthesis

Yoshihiko Ito; Y. Inubushi; Michio. Zenbayashi; Shimpei Tomita; Takeo Saegusa


Journal of Organic Chemistry | 1973

Synthetic reactions by complex catalysts. XXX. Synthesis of cyclic compounds by means of copper-isonitrile complex. Copper(I) carbenoid intermediate

Takeo Saegusa; Kazuya Yonezawa; Ichiki Murase; Toshiro Konoike; Shimpei Tomita; Yoshihiko Ito


Journal of Organic Chemistry | 1970

Synthetic reactions by complex catalysts. XV. Copper(I)-alkyl isocyanide catalyzed dimerization of .alpha.,.beta.-unsaturated carbonyl and nitrile compounds

Takeo Saegusa; Yoshihiko Ito; Shimpei Tomita; Hideo. Kinoshita


Bulletin of the Chemical Society of Japan | 1970

Synthetic Reactions by Complex Catalysts. XVI. The Dimerization of Acrylonitrile and Acrylate by Means of the Metal-Isocyanide Complex

Takeo Saegusa; Yoshihiko Ito; Hideo. Kinoshita; Shimpei Tomita


Journal of the American Chemical Society | 1971

Synthetic reactions by complex catalysts. XXIII. Cyclopropanes from .alpha.-chloro ketones, esters, and nitriles, olefins, and a copper(I) oxide-isonitrile complex

Takeo Saegusa; Yoshihiko Ito; K. Yonezawa; Y. Inubushi; Shimpei Tomita


ChemInform | 1973

SYNTHETIC REACTIONS BY COMPLEX CATALYSTS PART 30, SYNTHESIS OF CYCLIC COMPOUNDS BY MEANS OF COPPER-ISONITRILE COMPLEX, COPPER(I) CARBENOID INTERMEDIATE

Takeo Saegusa; Kazuya Yonezawa; Ichiki Murase; Toshiro Konoike; Shimpei Tomita; Yoshihiko Ito


Bulletin of the Chemical Society of Japan | 1968

Preparation and Properties of Aluminum and Zinc Haloalcoholates

Takashi Ueshima; Shimpei Tomita; Takeo Saegusa

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