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Report | Regular issue | Vol 23, No. 4, 1985, pp.927-930
Published online, 1st January, 1970
DOI: 10.3987/R-1985-04-0927
N-Substituted 2-Aminocyanocyclopentenes Reactivity with Dimethylacetylenedicarboxylate

Catharine Viellescazes, Serge Coen, Bernard Ragonnet, and Jean-Pierre Roggero*

*Faculté des Sciences, Laboratorie de Chimie Organique, 33, rue Louis Pasteur, 84000 Avignon, France

Abstract

2-Aminocyanocyclopentene and its N-phenylamino and N-methyl-N-phenyl-2-aminocyanocyclopentene derivatives react in good yields with dimethyl acetylenedicarboxylate, leading to cycloheptadiene derivatives through ring expansions and/or condensed ring heterocycles via cycloaddition mechanisms.