3,8-Dialkylxanthines, processes for their preparation and compositions containing them
申请人:Aktiebolaget DRACO
公开号:EP0038784A2
公开(公告)日:1981-10-28
The invention refers to compounds having activity against chronic obstructive airway disease or cardiovascular disease, characterized by the formula
wherein R' is ethyl, n-propyl, n-butyl, isobutyl, n-pentyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, cyclopropyl, cyclobutyl, cyclopentyl or cyclohexylmethyl, and R2 is methyl, ethyl, n-propyl, isopropyl, cyclopropyl, n-butyl, isobutyl, tert. butyl, or cyclobutyl provided that R' is ethyl when R2 is methyl, or a physiologically acceptable salt thereof. The invention also refers to processes for the preparation of these compounds, a pharmaceutical preparation containing one of the compounds and a method for the treatment of chronic obstructive airway disease and cardiovascular disease.
本发明涉及具有防治慢性阻塞性气道疾病或心血管疾病活性的化合物,其特征在于: 式中
其中 R'是乙基、正丙基、正丁基、异丁基、正戊基、2-甲基丁基、3-甲基丁基、2,2-二甲基丙基、环丙基、环丁基、环戊基或环己基甲基,R2 是甲基、乙基、正丙基、异丙基、环丙基、正丁基、异丁基、叔丁基或环丁基。当 R2 为甲基时,R'为乙基,或其生理上可接受的盐。本发明还涉及这些化合物的制备工艺、含有其中一种化合物的药物制剂以及治疗慢性阻塞性气道疾病和心血管疾病的方法。