申请人:Hoffmann-La Roche Inc.
公开号:US04774253A1
公开(公告)日:1988-09-27
Oxazole and isoxazole derivatives of the formula ##STR1## wherein A is C.sub.1-6 -alkylene, Het is a 2-R-oxazol-5-yl, 5-R-oxazol-2-yl, 4-R-oxazol-2-yl, 2-R-oxazol-4-yl, 3-R-isoxazol-5-yl or 5-R-isoxazol-3-yl group which is optionally substituted on the heterocyclic ring by a C.sub.1-6 -alkyl group, R is phenyl or thienyl monosubstituted or disubstituted by halogen, trifluoromethyl or C.sub.1-6 -alkylthio, R.sup.1 and R.sup.2 each is a C.sub.1-6 -alkyl group and R.sup.3 is a hydroxy or C.sub.1-6 -alkoxy group or a group of the formula --NR.sup.4 R.sup.5 in which R.sup.4 and R.sup.5 each is a hydrogen atom or a C.sub.1-6 -alkyl group or R.sup.4 and R.sup.5 together with the nitrogen atom to which they are attached is a 5-membered or 6-membered saturated heteromonocyclic ring which may contain an oxygen or sulphur atom or an additional nitrogen atom, and pharmaceutically acceptable salts of the compounds of formula I in which R.sup.3 is a hydroxy group with bases, have anti-arthritic activity.
式为##STR1##的噁唑和异噁唑衍生物,其中A是C.sub.1-6-烷基,Het是2-R-噁唑-5-基,5-R-噁唑-2-基,4-R-噁唑-2-基,2-R-噁唑-4-基,3-R-异噁唑-5-基或5-R-异噁唑-3-基,该基在杂环环上可以选择性地被C.sub.1-6-烷基取代,R是苯基或噻吩基,经卤素,三氟甲基或C.sub.1-6-烷基硫代取代的单取代或双取代,R.sup.1和R.sup.2各自是C.sub.1-6-烷基,R.sup.3是羟基或C.sub.1-6-烷氧基或式--NR.sup.4 R.sup.5的基团,其中R.sup.4和R.sup.5各自是氢原子或C.sub.1-6-烷基,或R.sup.4和R.sup.5与它们所连接的氮原子一起是一个含氧或硫原子或额外的氮原子的5-成员或6-成员饱和杂环单环,以及公认的药物可接受的盐,其中R.sup.3是羟基的化合物和碱有抗关节炎活性。