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.
本发明涉及以下式子所表示的新型5-芳酰基-6-甲基硫、6-甲基亚砜或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、无毒的酯类和盐类,其中R.sub.1为低碳基硫基、低碳基亚砜基或低碳基磺酰基;R.sub.2为氢、羟基、低碳基、乙烯基、环己基、环丙基、低碳基氧基、氟、氯、溴、三氟甲基、三氟甲氧基、硝基、氨基、低碳基羰基氨基、低碳基硫基、低碳基磺酰基或低碳基亚砜基;X为氧、硫、N-R.sub.3,其中R.sub.3为氢或低碳基。本发明还描述了制备这些化合物及其药学上可接受的无毒盐和制药组合物的过程和中间体。所述化合物在哺乳动物中作为抗炎和镇痛剂有用。