申请人:Dainippon Sumitomo Pharma Co., Ltd.
公开号:EP1659123A1
公开(公告)日:2006-05-24
A compound represented by the following formula (I), a prodrug thereof, or a pharmaceutically acceptable salt of either. These are compounds having high DPP-IV inhibitory activity and improved in safety, nontoxicity, etc. (I) [In the formula, R1 represents hydrogen, optionally substituted alkyl, etc.; the solid line and dotted line between A1 and A2 indicate a double bond (A1=A2), etc.; A1 represents a group represented by the formula C(R2), etc.; A2 represents a group represented by the formula C(R4), etc.; R2 represents hydrogen, optionally substituted alkyl, etc.; R4 represents hydrogen, optionally substituted alkyl, etc.; R6 represents hydrogen, optionally substituted aryl, etc.; and -Y represents, e.g.; a group represented by the formula (A): (A) (wherein ml is 0, 1, 2, or 3; and R7 is absent, or one or two R7's are present and each independently represents optionally substituted alkyl, etc.).]
以下式(I)表示的化合物、前药或药用可接受的盐。这些化合物具有高DPP-IV抑制活性,并且在安全性、非毒性等方面进行了改进。(I) [在公式中,R1代表氢,可选地取代烷基等;A1和A2之间的实线和虚线表示双键(A1=A2)等;A1代表由公式C(R2)等表示的基团;A2代表由公式C(R4)等表示的基团;R2代表氢,可选地取代烷基等;R4代表氢,可选地取代烷基等;R6代表氢,可选地取代芳基等;-Y代表例如;由公式(A)表示的基团:(A)(其中ml为0、1、2或3;R7缺失,或存在一个或两个R7,每个独立地代表可选地取代烷基等)。]