Compounds of the formula
wherein Ar is a phenyl group or a phenyl group substituted by one or more members of the group consisting of halogen atoms or lower alkyl, halolower alkyl, hydroxy or lower alkoxy groups, "lower" indicating groups having from 1 to 5 carbon atoms; m is zero or 1, n is 2 or 3; and their dehydro derivatives having a double bond in the azacyclic ring extending from the carbon atom having the Ar substituent; and the pharmaceutically acceptable acid addition salts thereof; have analgesic properties. Processes for their preparation and pharmaceutical compositions containing them are also claimed.
式中的化合物
其中 Ar 是苯基或被由卤素原子或低级烷基、卤代低级烷基、羟基或低级烷氧基("低级 "表示具有 1 至 5 个碳原子的基团)组成的组中的一个或多个成员取代的苯基;m 是 0 或 1,n 是 2 或 3;以及它们的脱氢衍
生物,其氮杂环中的双键从具有 Ar 取代基的碳原子开始延伸;以及它们的药学上可接受的酸加成盐;具有镇痛特性。本发明还要求制备它们的工艺和含有它们的药物组合物。