申请人:Ciba Geigy Corporation
公开号:US05688815A1
公开(公告)日:1997-11-18
Described are 3-hydroxypyridin-4-ones of formula I ##STR1## wherein R.sub.1 -R.sub.4, A and B are as defined in the description. The compounds have valuable pharmaceutical properties and are especially effective as chelators of iron. They can be used to treat excess iron in the bodies of warm-blooded animals.
描述了化学式I的3-羟基吡啶-4-酮,其中R.sub.1 -R.sub.4,A和B如描述中所定义。这些化合物具有宝贵的药理特性,特别是作为铁的螯合剂特别有效。它们可以用来治疗温血动物体内的过量铁。