The compound of the formula ##STR1## wherein R' and R" are alkyl of 1 to 3 carbon atoms, inclusive; wherein R.sub.1 is hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl or alkylthio in which the alkyl moiety is of 1 to 3 carbon atoms, inclusive; and wherein R.sub.2 is phenyl, o-chlorophenyl, o-fluorophenyl, or 2,6-difluorophenyl, is prepared by reacting a 1-halomethyl-6-phenyl-4H-s-triazo[4,3-a][1,4]-benzodiazepine with N,N-dimethylhydroxylamine and a strong base. The compound II and its pharmacologically acceptable acid addition salts have sedative and tranquilizing activity.
化学式为##STR1##的化合物,其中R'和R"是1到3个碳原子的烷基;R.sub.1是氢、
氟、
氯、
溴、硝基、三
氟甲基或烷基
硫基,其中烷基部分为1到3个碳原子;R.sub.2是苯基、邻
氯苯基、邻
氟苯基或2,6-二
氟苯基。该化合物是通过将1-卤代甲基-6-苯基-4H-s-三唑[4,3-a][1,4]-苯并二氮平与N,N-二甲基
羟胺和强碱反应制备而成。化合物II及其药学上可接受的酸盐具有镇静和安眠作用。