申请人:Dainippon Sumitomo Pharma Co., Ltd.
公开号:EP1690863A1
公开(公告)日:2006-08-16
Disclosed is a compound represented by the formula (1) below which has a high DPP-IV inhibitory activity and is improved in safety, toxicity and the like. Also disclosed is a prodrug of such a compound and pharmaceutically acceptable salts of them.
(In the formula, R1 represents a hydrogen atom, an optionally substituted alkyl group or the like; R2 and R3 independently represent a hydrogen atom, an optionally substituted alkyl group or the like; R4 and R5 independently represent a hydrogen atom, an optionally substituted alkyl group or the like: R6 represents a hydrogen atom, an optionally substituted aryl group or the like; and -Y-NH2, represents a group represented by the following formula (A):
(wherein m is 0, 1 or 2; and R7 may not exist or one or two R7 may exist and independently represent an optionally substituted alkyl group or the like) or the like.]
揭示了一种化合物,其化学式如下(1),具有较高的DPP-IV抑制活性,并在安全性、毒性等方面得到改善。还披露了这种化合物的前药和其药用可接受的盐。(在该式中,R1代表氢原子、可选择取代的烷基或类似物;R2和R3独立代表氢原子、可选择取代的烷基或类似物;R4和R5独立代表氢原子、可选择取代的烷基或类似物;R6代表氢原子、可选择取代的芳基或类似物;-Y-NH2代表由以下式(A)表示的基团:(其中m为0、1或2;R7可能不存在,或一个或两个R7可以存在且独立代表可选择取代的烷基或类似物)或类似物。)