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Communication | Regular issue | Vol 6, No. 12, 1977, pp.1985-1991
Published online, 1st January, 1970
DOI: 10.3987/R-1977-12-1985
■ A Novel Method for the Preparation of Substituted Enaminoketones

Tsunetoshi Honma* and Yukio Tada

*Shionogi Research Laboratories, Shionogi & Co. Ltd., Fukushima-ku, Osaka 553-0002, Japan

Abstract

A novel method for the preparation of enaminoketones, which consists of the condensation of various heteroaromatic cyano compounds with ketones in the presence of base, such as sodium amide or sodium hydride is described. The enaminoketones can easily be converted to the corresponding β-diketones and heterocyclic compounds, such as isothiazole, isoxazole, pyrazole, pyrimidine, and thiazole.