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Communication | Regular issue | Vol 20, No. 2, 1983, pp.187-192
Published online, 1st January, 1970
DOI: 10.3987/R-1983-02-0187
Cyanoketenes. Cycloadditions of tert-Butylcyano- and Chlorocyanoketene to Sulfer Diimides

Dorothy M. Goldish, Barry W. Axon, and Harold W. Moore

*Department of Chemsitry, California State University, Long Beach, U.S.A.

Abstract

A number of unusual transformations were observed when di-t-butyl and diphenylsulfur diimide were treated with t-butylcyano- and chlorocyanoketene. These include the fomation of reactive thione-s-imines, which subsequently lead to 3-isothiazolidinones and benzisothiazoles. Other products include a cyclic thioimidate and a β-lactam.