There are described compounds of formula I, ##STR1## in which Ar.sub.1 and Ar.sub.2, which may be the same or different, each independently represent phenyl or pyridinyl, the phenyl or the pyridinyl each optionally being substituted by one or more of halogen; hydroxy; --COOR.sub.12 ; trihalomethyl; alkoxy C1 to 6; alkyl C1 to 6; --NR.sub.1 R.sub.2 ; alkoxy C1 to 6 substituted by --NR.sub.1 R.sub.2 or by phenyl; or alkyl C1 to 6 substituted by --NR.sub.1 R.sub.2 or by --COOR.sub.12 ; R.sub.1 and R.sub.2, which may be the same or different, each independently represent hydrogen or alkyl C1 to 6, R.sub.3 represents hydrogen, alkyl C1 to 6, alkanoyl C1 to 6, benzoyl, --COOR.sub.8, or --CONHR.sub.11, R.sub.4, R.sub.5, R.sub.6 and R.sub.7, which may be the same or different each independently represent hydrogen, alkyl C1 to 6 or phenyl; R.sub.8 represents alkyl C1 to 6 or aryl, R.sub.11 represents alkyl C1 to 6 or aryl, R.sub.12 represents hydrogen or alkyl C1 to 6, and pharmaceutically acceptable derivatives thereof. There are also described compositions containing the compounds and methods for their preparation. The compounds are indicated for use as pharmaceutical, e.g. antiinflammatory agents.
本文描述了式I的化合物,其中Ar.sub.1和Ar.sub.2(可以相同或不同)各自独立地表示
苯基或
吡啶基,所述
苯基或
吡啶基可选择地被一个或多个卤素,羟基,-COOR.sub.12,三卤
甲基,烷
氧基C1至6,烷基C1至6,-NR.sub.1R.sub.2,烷
氧基C1至6,被-NR.sub.1R.sub.2或
苯基取代的烷
氧基C1至6,或被-NR.sub.1R.sub.2或-COOR.sub.12取代的烷基C1至6取代;R.sub.1和R.sub.2(可以相同或不同)各自独立地表示
氢或烷基C1至6,R.sub.3表示
氢,烷基C1至6,烷酰基C1至6,
苯甲酰基,-COOR.sub.8,或-CONHR.sub.11,R.sub.4,R.sub.5,R.sub.6和R.sub.7(可以相同或不同)各自独立地表示
氢,烷基C1至6或
苯基;R.sub.8表示烷基C1至6或芳基,R.sub.11表示烷基C1至6或芳基,R.sub.12表示
氢或烷基C1至6,以及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和它们的制备方法。这些化合物适用于制药,例如抗炎剂。