Method for preparing 6-phenyl-triazolo or imidazolo-(1,3,4)-benzotriazepines and the novel intermediates used therewith

摘要

Novel triazolo- or imidazo-benzotriazepines are prepared from 1,3,4-benzotriazepine-2-thiones which in turn are prepared from a 2-aminobenzophenone.