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Communication | Regular issue | Vol 9, No. 10, 1978, pp.1381-1386
Published online, 1st January, 1970
DOI: 10.3987/R-1978-10-1381
Reaction of Conjugated Enamines with Diazonium Salts. A Convenient Synthesis of Cinnoline Derivatives

Chananjah B. Kanner and Upendra K. Pandit*

*Organic Chemistry Laboratory, University of Amsterdam, Nieuwe Achtergracht 129, 1018 WS Amsterdam, The Netherlands

Abstract

Aryldiazonium salts react with enamine esters and enamine amides to give iminium hydrazones, which cyclize with subsequent deamination to yield cinnoline derivatives.