Novel 5-aroyl-6-chloro- or 6-bromo-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-7-carboxylic acids represented by the formula ##STR1## and the pharmaceutically acceptable, non-toxic esters and salts thereof, wherein Y is chloro or bromo and Ar is an optionally substituted phenyl, 2-furyl, or 2-thienyl ring or a 3-furyl, 3-thienyl, 2-pyrrolyl or 1-alkyl-2-pyrrolyl ring. These compounds are useful as anti-inflammatory, analgesic and antipyretic agents and as smooth muscle relaxants.
新型5-芳酰基-6-
氯或6-
溴-1,2-二氢-
3H-吡咯并[1,2-a]
吡咯-7-
羧酸,其
化学式为##STR1##以及其药用可接受的、无毒的酯和盐,其中Y为
氯或
溴,Ar为可选择取代的苯基、2-
呋喃基或2-
噻吩基环或3-
呋喃基、3-
噻吩基、2-
吡咯基或1-烷基-2-
吡咯基环。这些化合物可用作抗炎、镇痛和退烧药物,以及平滑肌松弛剂。