申请人:Asano Osamu
公开号:US06841549B1
公开(公告)日:2005-01-11
The present invention provides a preventive or therapeutic agent for diabetes mellitus and diabetic complications, which is a new type based on an adenosine A2 receptor antagonist action.
That is, it provides a novel condensed imidazole compound which has an adenosine A2 receptor antagonist action, is effective for preventing or treating diabetes mellitus and diabetic complications, and is represented by the formula (I);
(wherein R
1
represents e.g. an amino group which may be substituted with an alkyl group; R
2
represents e.g. hydrogen atom, an alkyl group, a cycloalkyl group or an alkyl group, alkenyl group or alkynyl group which may be substituted with hydrox etc.; R
3
represents e.g. an optionally substituted alkyl group, alkenyl group, alkynyl group, aryl group, heteroaryl group, pyridinone group, pyrimidinone group or piperadinone group; Ar represents e.g. an optionally substituted aryl or heteroaryl group; and Q and W are the same as or different from each other and each represents N or CH), a pharmacologically acceptable salt or hydrates thereof.
本发明提供了一种预防或治疗糖尿病和糖尿病并发症的药物,该药物是一种基于腺苷A2受体拮抗剂作用的新型药物。即,本发明提供了一种新型紧缩咪唑化合物,具有腺苷A2受体拮抗剂作用,对预防或治疗糖尿病和糖尿病并发症有效,其化学式表示为(I);(其中,R1代表例如可用烷基取代的氨基基团;R2代表例如氢原子、烷基、环烷基或烷基、烯基或炔基,可用羟基等取代;R3代表例如可选取代的烷基、烯基、炔基、芳基、杂芳基、吡啶酮基、嘧啶酮基或哌啶酮基;Ar代表例如可选取代的芳基或杂芳基;Q和W相同或不同,分别代表N或CH),以及其药学上可接受的盐或水合物。