N-Phenyl-N-(4-piperdinyl)amide derivatives are disclosed having the general formula (I): ##STR1## wherein X, Ar, R and R.sup.1 are defined, including isomeric forms thereof and acid addition salts thereof. The compounds exhibit analgesic activity. The invention embraces the compounds (I), pharmaceutical compositions of (I) and methods of providing analgesia with (I). Also included are certain novel intermediates for making (I).
本发明公开了一种具有以下一般式(I)的N-苯基-N-(4-
哌啶基)酰胺衍
生物:##STR1## 其中,定义了X,Ar,R和R.sup.1,包括其异构体和酸加成盐。该化合物具有镇痛活性。本发明涵盖了化合物(I),(I)的制药组合物以及使用(I)提供镇痛的方法。还包括制备(I)的某些新中间体。