New oxadiazolyl-imidazo-[1, 4] benzodiazepine derivatives having benzodiazepine receptor activity have the formula
wherein R' is hydrogen, chlorine, fluorine or nitro in the 7- or 8-position, R' is hydrogen or lower alkyl of up to 3 carbon atoms, R3 is the oxadiazolyl grouping of the formula
wherein R" is lower alkyl with up to 3 carbon atoms and A= B is a grouping of the formula
wherein R5 is hydrogen or methyl and R"' is hydrogen orchlorine, and their preparation is described.
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
苯并二氮杂卓受体活性的新型噁二唑基
咪唑-[1, 4]
苯并二氮杂卓衍
生物的
化学式为
其中 R'是氢、
氯、
氟或位于 7 位或 8 位的硝基,R'是氢或最多 3 个碳原子的低级烷基,R3 是式中的噁二唑基团
其中 R "为含最多 3 个碳原子的低级烷基,A= B 为式中的基团
其中 R5 为氢或甲基,R"'为氢或
氯。
这些化合物具有宝贵的药理特性。特别是,它们可作用于中枢神经系统,适用于精神药物制剂。