Compounds of the formula:
in which R' is an optionally substituted phenyl, phenyl-(1-4C)alkyl- naphtyl, monocyclic or bicyclic heteroaromatic or (monocyclic or bicyclic heteroaromatic)-(1-4C)alkyl radical, R2 is a (3-8C) alkyl or a (1-4C)-alkyl bearing one or two (1-4C) alkoxy or a 1,3-dioxalanyl, tetrahydrofuryl or tetrahydropyranyl substituent or is a (3-8C)cyctoalkyl, [(3-8C)cycloalkyll - (1-4C)alkyl or 3-6C)alkenyl radical, or an optionally substituted phenyl or phenyl- (1-4C)-alkyl radical, and R3 is a (1-4C)alkyl radical, preferably a methyl radical; together with pharmaceutically acceptable salts thereof. Also provided are processes for the manufacture of, and pharmaceutical compositions of the derivatives and salts thereof. Some of the derivatives possess anti-inflammatory properties and/or are inhibitors of the enzyme prostaglandin synthetase in addition to possessing analgesic properties.
式中的化合物
其中 R'是任选取代的苯基、苯基-(1-4C)烷基-
萘基、单环或双环杂芳基或(单环或双环杂芳基)-(1-4C)烷基,R2 是(3-8C)烷基或带有一个或两个(1-4C)烷氧基的(1-4C)烷基或 1,3-二
氧戊环、R3是(1-4C)烷基,最好是甲基;及其药学上可接受的盐类。此外,还提供了衍
生物及其盐类的生产工艺和药物组合物。其中一些衍
生物除了具有镇痛特性外,还具有抗炎特性和/或作为
前列腺素合成酶的
抑制剂。