N-haloamidines. VII. 4-amino-5-chloroimidazoles and 4-amino-5-unsubstituted imidazoles from N-chloro-N′-arylbenzamidines and 1,1-diaminoethenes
作者:Elisabetta Rossi、Elena Pini
DOI:10.1016/0040-4020(96)00365-1
日期:1996.6
N-chloro-N′-arylbenzamidines react with 1,1-diaminoethenes to give in good yields 4-amino-5-chloroimidazoles. The behaviour of these compounds in some nucleophilic substitution reactions and their reduction to 4-amino-5-unsubstitutedimidazoles is reported.