申请人:Beecham Group p.l.c.
公开号:US04548948A1
公开(公告)日:1985-10-22
Compounds of formula (I): ##STR1## wherein: Ar is phenyl optionally substituted in the o-, m- or p-position by C.sub.1-4 alkyl, C.sub.1-4 alkoxy, trifluoromethyl, bromo, chloro or fluoro, pyrryl optionally N-substituted by C.sub.1-4 alkyl, 2-furyl or 2-thienyl either optionally substituted in the 3-, 4- or 5-position by methyl, chloro or bromo, or 3-furyl or 3-thienyl; X is oxygen, sulphur, sulphoxide or sulphone, Y is methylene, R.sub.1 and R.sub.3 are hydrogen or C.sub.1-4 alkyl, and R.sub.2 is hydrogen, C.sub.1-4 alkyl, fluoro, chloro or bromo, or X is methylene, Y is oxygen, R.sub.1 and R.sub.3 are both hydrogen, and R.sub.2 is hydrogen, fluoro, chloro or bromo; and R.sub.4 is hydrogen or C.sub.1-4 alkyl, or a salt thereof, have analgesic and/or anti-inflammatory activity.
式(I)的化合物:## STR1 ##
其中:Ar是苯基,可以在o-、m-或p-位置上被C.sub.1-4烷基,C.sub.1-4烷氧基,三氟甲基,溴,氯或氟取代,也可以是吡咯基,可选择由C.sub.1-4烷基取代,2-呋喃基或2-噻吩基,也可以在3-、4-或5-位置上被甲基,氯或溴取代,或3-呋喃基或3-噻吩基;X是氧,硫,亚砜或砜,Y是亚甲基,R.sub.1和R.sub.3是氢或C.sub.1-4烷基,R.sub.2是氢,C.sub.1-4烷基,氟,氯或溴,或X是亚甲基,Y是氧,R.sub.1和R.sub.3都是氢,R.sub.2是氢,氟,氯或溴;R.sub.4是氢或C.sub.1-4烷基,或其盐,具有镇痛和/或抗炎活性。