4-Aryl-1-hydrazino-5H-2,3-benzodiazepine and 1-aryl-4-hydrazino-5H-2,3-benzodiazepine in the synthesis of condensed [1,2]diazepines
摘要:
A method has been developed for the cyclization of 4-aryl-1-hydrazino-5H-2,3-benzodiazepine and 1-aryl-4-hydrazino-5H-2,3-benzodiazepine into 3-R-6-aryl-7H-[1,2,4]triazolo[3,4-a]- and 3-R-6-aryl-7H-[1,2,4]triazolo[4,3-c]benzodiazepine derivatives with various substituents in the triazole ring.