(1) Department of Chemistry, University of Tarbiat Modarres, P.O. Box 14115-175, Tehran, Iran
Abstract:
Summary. The 1:1 reactive intermediate generated by the addition of alkyl isocyanides to dialkyl acetylenedicarboxylates was trapped by fairly strong NH-acids such as carbazole, indole, or pyrrole to yield highly functionalized 1-azadienes and ketenimines.
