申请人:Metabio Joullie
公开号:US04223039A1
公开(公告)日:1980-09-16
There are provided compounds of the general formula ##STR1## in which Ar represents a phenyl group which is unsubstituted or substituted by a halogen atom or a lower alkyl group, or represents a thienyl group, R.sub.1 represents a hydrogen or halogen atom or, when the Ar--CO-- grouping is in the meta-position with respect to the nitrogen atom, a lower alkyl group, R.sub.2 represents a hydrogen atom, or a lower alkyl or an acyl group, and R.sub.3 represents a hydrogen atom, a lower alkyl or a phenyl group and a physiologically acceptable salt thereof. The compounds of the general formula I and their salts have therapeutic utility, especially as analgesics.
提供了一般式为##STR1##的化合物,其中Ar代表未取代或取代为卤素原子或较低烷基的苯基,或代表噻吩基,R.sub.1代表氢或卤素原子或当Ar--CO--基团与氮原子的间位相对时,代表较低烷基,R.sub.2代表氢原子,或较低烷基或酰基基团,R.sub.3代表氢原子,较低烷基或苯基和其生理上可接受的盐。一般式I的化合物及其盐具有治疗功效,特别是作为镇痛剂。