Novel 5-aroyl-6-chloro- or 6-bromo-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-7-carboxylic acids represented by the formula
and the pharmaceutically acceptable, non-toxic esters and salts thereof, wherein Y is chloro or bromo and Ar is an optionally substituted phenyl. These compounds are useful as anti-inflammatory, analgesic and antipyretic agents and as smooth muscle relaxants.
新颖的 5-
甲酰氯-6-
氯或 6-
溴-1,2-二氢-
3H-吡咯并[1,2-a]
吡咯-7-
羧酸,其式为
及其药学上可接受的无毒酯和盐,其中 Y 是
氯或
溴,Ar 是任选取代的苯基。这些化合物可用作消炎、镇痛和解热剂以及平滑肌松弛剂。