申请人:MEIJI SEIKA KABUSHIKI KAISHA
公开号:EP0721941A1
公开(公告)日:1996-07-17
A compound represented by general formula (I) and having a platelet aggregation inhibitor effect and pharmacologically acceptable salt and solvate thereof, wherein A, B and C represent each CH2 or C=O; X and Y are different from each other and represent CH or N; D represents -(CH2)k- or -(CH2)m-CO-, wherein k represents an integer of 1 to 4, and m represents an integer of 0 to 3; E represents group (II) or (III), wherein n represents an integer of 1 to 3, Z represents -W-(CH2)p-COOR3, W represents -O- or a bond, p represents an integer of 1 to 4, and R3 represents hydrogen, lower alkyl or an ester residue eliminable under physiological conditions; R1 represents hydrogen or lower alkyl; and R2 represents hydrogen or lower alkyl.
通式(I)代表的具有血小板聚集抑制作用的化合物及其药理学上可接受的盐和溶液,其中A、B和C分别代表CH2或C=O;X和Y互不相同,代表CH或N;D代表-(CH2)k-或-(CH2)m-CO-,其中k代表1至4的整数,m代表0至3的整数;E 代表基团(II)或(III),其中 n 代表 1 至 3 的整数,Z 代表-W-(CH2)p-COOR3,W 代表-O-或键,p 代表 1 至 4 的整数,R3 代表氢、低级烷基或在生理条件下可消除的酯残基;R1 代表氢或低级烷基;R2 代表氢或低级烷基。