Aa. Hassan et al., DIIMINE-TETRACYANOETHYLENE DONOR-ACCEPTOR INTERACTIONS - SYNTHESIS OFPYRROLES, IMIDAZOLIDINES AND QUINOLINES, Journal of chemical research. Synopses, (4), 1996, pp. 208-209
N,N'-Bis(aryl)- (1) and N,N'-bis(cyclohexyl)-ethane-1,2-diylidenediami
nes (2) as well as ,N'-bis(aryl)benzene-l,4-diyldimethylidenediamines
(3) reacted with tetracyanoethylene to give the title products.