5-Aroyl-1,2-dihydro-3H-pyrrolo 1,2-a pyrrole-1-carboxylic acids and derivatives thereof, processes for their preparation, and intermediates therefor
申请人:SYNTEX (U.S.A.) INC.
公开号:EP0096583A2
公开(公告)日:1983-12-21
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
and the pharmaceutically acceptable, non-toxic esters and salts thereof, wherein
R, is lower alkylthio, lower alkylsulfinyl, or lower alkylsulfonyl;
R2 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-R3 where R3 is hydrogen or lower alkyl.
This invention also 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.
新颖的 5-芳酰基-6-甲硫基-、6-甲磺酰基-或 6-甲磺酰基-1,2-二氢-3H-吡咯并[1,2-a]吡咯-1-羧酸,由以下公式表示
及其药学上可接受的无毒酯和盐,其中
R,是低级烷硫基、低级烷基亚磺酰基或低级烷基磺酰基;
R2 是氢、羟基、低级烷基、乙烯基、环己基、环丙基、低级烷氧基、氟、氯、溴、三氟甲基、三氟甲氧基、硝基、氨基、低级烷基羰基氨基、低级烷硫基、低级烷基磺酰基或低级烷基亚磺酰基;
X 是氧、硫、N-R3,其中 R3 是氢或低级烷基。
本发明还描述了该工艺的中间体和这些化合物及其药学上可接受的无毒盐及其药物组合物的生产工艺。所要求的化合物可用作哺乳动物的消炎药和镇痛药。