申请人:Fisons plc
公开号:US04810719A1
公开(公告)日:1989-03-07
There are described compounds of formula I, ##STR1## in which either R.sub.2 represents hydrogen, alkyl or Ar.sub.2, and R.sub.3 represents hydrogen, alkyl or alkyl substituted by Ar.sub.3 ; or R.sub.2 and R.sub.3 together form the chain --(CH.sub.2).sub.m --; R.sub.4 and R.sub.5, which may be the same or different, each independently represent hydrogen, halogen, Ar, alkyl, or alkyl substituted by Ar, Ar.sub.1, Ar.sub.2 and Ar, which may be the same or different each independently represent aryl or aryl substituted by one or more of halogen, hydroxy, --CN, --COR.sub.6, trihalomethyl, alkoxy, alkoxy substituted by --COR.sub.6, alkoxy substituted by --NR.sub.7 R.sub.8, alkyl, alkyl substituted by --COR.sub.6, alkyl substituted by NR.sub.7 R.sub.8, alkoxy substituted by Ar.sub.3, S(O).sub.n R.sub.9, --NR.sub.7 R.sub.8 or OAr.sub.3 ; R.sub.6 represents --OR.sub.10, --NR.sub.7 R.sub.8, hydrogen or alkyl; R.sub.7 and R.sub.8, which may be the same or different, each independently represent hydrogen, alkyl, alkanoyl or Ar.sub.3 ; R.sub.9 represents alkyl or Ar.sub.3 ; R.sub.10 represents hydrogen, alkyl or Ar.sub.3 ; m represents an integer from 3 to 6 inclusive; n represents 0, 1 or 2; and Ar.sub.3 represents unsubstituted aryl; or a pharmaceutically acceptable derivative thereof. There are also described compositions containing the compounds and methods for their preparation. The compounds are indicated for use as pharmaceutical, e.g. anti-inflammatory, agents.
描述了具有以下公式I的化合物,其中R.sub.2代表氢、烷基或Ar.sub.2,R.sub.3代表氢、烷基或被Ar.sub.3取代的烷基;或者R.sub.2和R.sub.3一起形成链--(CH.sub.2).sub.m--;R.sub.4和R.sub.5,可能相同也可能不同,各自独立地代表氢、卤素、Ar、烷基,或被Ar取代的烷基,Ar.sub.1、Ar.sub.2和Ar,可能相同也可能不同,各自独立地代表芳基或被一个或多个卤素、羟基、--CN、--COR.sub.6、三卤甲基、烷氧基、被--COR.sub.6取代的烷氧基、被--NR.sub.7 R.sub.8取代的烷氧基、烷基、被--COR.sub.6取代的烷基、被NR.sub.7 R.sub.8取代的烷基、被Ar.sub.3取代的烷氧基、S(O).sub.n R.sub.9、--NR.sub.7 R.sub.8或OAr.sub.3;R.sub.6代表--OR.sub.10、--NR.sub.7 R.sub.8、氢或烷基;R.sub.7和R.sub.8,可能相同也可能不同,各自独立地代表氢、烷基、烷酰基或Ar.sub.3;R.sub.9代表烷基或Ar.sub.3;R.sub.10代表氢、烷基或Ar.sub.3;m代表一个从3到6的整数;n代表0、1或2;Ar.sub.3代表未取代的芳基;或其药学上可接受的衍生物。还描述了含有这些化合物的组合物以及其制备方法。这些化合物被指定用作药物,例如抗炎药。