申请人:——
公开号:US04255573A1
公开(公告)日:1981-03-10
Pharmaceutical composition for chelating excess iron in a mammal and facilitating the removal of excess iron from the mammalian body are disclosed which comprise as active ingredient an iron-chelating agent selected from the group consisting of 5H-pyrimido(2',1':2,3)imidazo(4,5-b)indole having the formula ##STR1## 5H-pyrido(2',1':2,3)imidazo(4,5-b) indole having the formula ##STR2## or lower alkyl and/or halogen substituted derivatives thereof and pharmaceutically acceptable acid addition salts thereof. Furthermore the preparation of novel 5H-pyrimido(2',1':2,3)imidazo(4,5-b)indoles and intermediates thereof are disclosed.
本发明揭示了一种用于螯合哺乳动物体内过量铁并促进哺乳动物体内过量铁的排出的药物组合物,其包括以下活性成分:从以下组中选择的螯合剂,即具有以下式子的5H-嘧啶并(2',1':2,3)咪唑(4,5-b)吲哚:##STR1## 具有以下式子的5H-吡啶并(2',1':2,3)咪唑(4,5-b)吲哚:##STR2## 或其较低烷基和/或卤素取代衍生物和其药学上可接受的酸加成盐。此外,本发明还揭示了新型5H-嘧啶并(2',1':2,3)咪唑(4,5-b)吲哚及其中间体的制备方法。