申请人:TERUMO KABUSHIKI KAISHA
公开号:EP0790247A1
公开(公告)日:1997-08-20
The present invention relates to a tetrahydroisoquinoline derivative represented by the following formula 1 exhibiting an inhibitory action for agglutination caused by fibrinogen, which may be effectively used as an antithrombotic agent or a platelet agglutination-inhibiting agent. The present invention also relates to a medical preparation containing such compound.
In formula 1, B and G are an alkylene optionally substituted with an alkyl or the like; D is H, an alkyl, or the like; E is 1,2,3,4-tetrahydroisoquinoline optionally substituted with R1 to R4 which binds to G at position 2; R1 to R4 are an alkyl or the like; L is hydroxy or the like; and A is a substituent represented by formula (2), and C is carbon.
In formula 2, M and R5 to R8 are H, an alkyl or the like.
本发明涉及一种由下式 1 表示的四氢异喹啉衍生物,该衍生物对纤维蛋白原引起的凝集具有抑制作用,可有效用作抗血栓剂或血小板凝集抑制剂。本发明还涉及一种含有此类化合物的医疗制剂。
在式 1 中,B 和 G 是任选被烷基或类似物取代的亚烷基;D 是 H、烷基或类似物;E 是任选被 R1 至 R4 取代的 1,2,3,4-四氢异喹啉,它在第 2 位与 G 结合;R1 至 R4 是烷基或类似物;L 是羟基或类似物;A 是式 (2) 所代表的取代基,C 是碳。
在式 2 中,M 和 R5 至 R8 是 H、烷基或类似物。