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-unsubstituted imidazoles is reported.
N-氯-N'-芳基苯甲m与1,1-二氨基乙烯反应,可产生高产率的4-氨基-5-氯咪唑。据报道这些化合物在某些亲核取代反应中的行为及其还原为4-氨基-5-未取代的咪唑。