申请人:Fisons plc
公开号:US04803216A1
公开(公告)日:1989-02-07
There are described compounds of formula I, ##STR1## in which R.sub.1 represents hydrogen, alkyl, alkanoyl or alkyl substituted by Ar.sub.1, R.sub.3, R.sub.4 and R.sub.5, which may be the same or different, each independently represent hydrogen, alkyl or Ar.sub.3, Ar.sub.1, Ar.sub.2 and Ar.sub.3, which may be the same or different, independently represent phenyl or phenyl substituted by one or more of alkyl, hydroxy, alkoxy, NR.sub.6 R.sub.7 or halogen, R.sub.6 and R.sub.7, which may be the same or different, independently represent hydrogen or alkyl, and pharmaceutically acceptable acid addition salts thereof. Compositions containing the compounds and methods for their preparation are also described. The compounds are indicated for use as pharmaceutical, e.g. anti-inflammatory, agents.
本文描述了公式I的化合物,其中R.sub.1代表氢,烷基,烷酰基或被Ar.sub.1取代的烷基,R.sub.3,R.sub.4和R.sub.5可以相同也可以不同,分别独立地代表氢,烷基或Ar.sub.3,Ar.sub.1,Ar.sub.2和Ar.sub.3可以相同也可以不同,独立地代表苯或被一个或多个烷基,羟基,烷氧基,NR.sub.6 R.sub.7或卤素取代的苯基,R.sub.6和R.sub.7可以相同也可以不同,独立地代表氢或烷基,以及其药学上可接受的酸加盐。还描述了含有这些化合物的组合物和其制备方法。这些化合物被指示用作药物,例如抗炎药。