申请人:Syntex (U.S.A) Inc.
公开号:US04612325A1
公开(公告)日:1986-09-16
Novel 5-aroyl-6-methylthio-, 6-methylsulfinyl-, or 6-methylsulfonyl-1,2-dihydro-3H-pyrrolo[1,2-a]pyrrole-1-carboxylic acids represented by the formulas ##STR1## and the pharmaceutically acceptable, non-toxic esters and salts thereof, wherein R.sub.1 is lower alkylthio, lower alkylsulfinyl, or lower alkylsulfonyl; R.sub.2 is hydrogen, hydroxy, lower alkyl, vinyl, cyclohexyl, cyclopropyl, lower alkoxy, fluoro, chloro, bromo, trifluoromethyl, trifluoromethoxy, nitro, amino, lower alkylcarbonylamino, lower alkylthio, lower alkylsulfonyl, or lower alkylsulfinyl; X is oxygen, sulfur, N--R.sub.3 where R.sub.3 is hydrogen or lower alkyl. This invention describes intermediates of the process and the process for the production of these compounds and their pharmaceutically acceptable non-toxic salts and pharmaceutical composition thereof. The claimed compounds are useful as anti-inflammatories and analgesics in mammals.
本发明提供了由以下式表示的小说5-酰基-6-甲基硫代、6-甲基亚磺酰基或6-甲基磺酰基-1,2-二氢-3H-吡咯并[1,2-a]吡咯-1-羧酸及其药学上可接受的非毒性酯和盐,其中R.sub.1是较低的烷基硫代、较低的烷基亚磺酰基或较低的烷基磺酰基;R.sub.2是氢、羟基、较低的烷基、乙烯基、环己基、环丙基、较低的烷氧基、氟、氯、溴、三氟甲基、三氟甲氧基、硝基、氨基、较低的烷基羰基氨基、较低的烷基硫代、较低的烷基磺酰基或较低的烷基亚磺酰基;X是氧、硫、N-R.sub.3,其中R.sub.3是氢或较低的烷基。本发明描述了制备这些化合物及其药学上可接受的非毒性盐和制药组合物的过程中间体。所述化合物在哺乳动物中作为抗炎和镇痛剂有用。