New oxadiazolyl-imidazo-[1,4]benzodiazepine derivatives having benzodiazepine receptor activity have the formula ##STR1## R' is hydrogen, chlorine, fluorine or nitro in the 7- or 8-position, R.sup.1 is hydrogen or lower alkyl of up to 3 carbon atoms, R.sup.3 is the oxadiazolyl grouping of the formula ##STR2## wherein R" is lower alkyl with up to 3 carbon atoms and A B is a grouping of the formula ##STR3## wherein R.sup.5 is hydrogen or methyl and R'" is hydrogen or chlorine. The compounds possess valuable pharmacological properties. In particular, they act on the central nervous system and are suitable for use in psychopharmaceutical preparations.
具有苯二氮平受体活性的新型噁二唑基
咪唑[1,4]苯并二氮平衍
生物的
化学式为:##STR1##其中,R'为7-或8-位的氢、
氯、
氟或硝基,R1为1至3个碳原子的低烷基或氢,R3为下列式子的噁二唑基团:##STR2##其中,R"为1至3个碳原子的低烷基,AB为下列式子的基团:##STR3##其中,R5为氢或甲基,R'"为氢或
氯。这些化合物具有有价值的药理学特性,特别是对中枢神经系统有作用,适用于精神药物制剂。