申请人:Terumo Kabushiki Kaisha
公开号:US05789595A1
公开(公告)日:1998-08-04
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. ##STR1## 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 R.sub.1 to R.sub.4 which binds to G at position 2; R.sub.1 to R.sub.4 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. ##STR2## In formula 2, M and R.sub.5 to R.sub.8 are H, an alkyl or the like.
本发明涉及一种由以下公式1表示的四氢异喹啉衍生物,该衍生物表现出对由纤维蛋白原引起的凝集作用的抑制作用,可有效用作抗血栓剂或抑制血小板凝集的药剂。本发明还涉及含有这种化合物的医药制剂。
在公式1中,B和G是一种可选择地用烷基或类似物取代的烷基;D是H,烷基或类似物;E是1,2,3,4-四氢异喹啉,可选择地用R.sub.1至R.sub.4取代,R.sub.1至R.sub.4结合在位置2的G上;R.sub.1至R.sub.4是烷基或类似物;L是羟基或类似物;A是由公式(2)表示的取代基,C是碳。
在公式2中,M和R.sub.5至R.sub.8是H,烷基或类似物。