申请人:SmithKline Beecham Corporation
公开号:US05693636A1
公开(公告)日:1997-12-02
This invention relates to compounds of the formula: ##STR1## wherein A.sup.1 to A.sup.5 form an accessible substituted seven-membered ring, which may be saturated or unsaturated, optionally containing up to two heteroatoms chosen from the group of O, S and N wherein S and N may be optionally oxidized; D.sup.1 to D.sup.4 form an accessible substituted six membered ring, optionally containing up to two nitrogen atoms; R is at least one substituent chosen from the group of R.sup.7, or Q--C.sub.1-4 alkyl, Q--C.sub.2-4 alkenyl, Q--C.sub.2-4 alkynyl, preferably substituted by an acidic function; R* is H, Q--C.sub.1-6 alkyl, Q--C.sub.1-6 oxoalkyl, Q--C.sub.2-6 alkenyl or Q--C.sub.2-4 alkynyl, C.sub.3-6 cycloalkyl, Ar or Het, optionally substituted by one or more substitutents; and R.sup.6 is preferably a substituent containing a basic nitrogen moiety; or a pharmaceutically acceptable salt thereof, which are effective for inhibiting platelet aggregation, pharmaceutical compositions for effecting such activity, and a method for inhibiting platelet aggregation.
这项发明涉及以下结构的化合物:##STR1## 其中A.sup.1至A.sup.5形成一个可取代的七元环,可以是饱和的或不饱和的,可选地含有最多两个来自O、S和N组的杂原子,其中S和N可以选择性地氧化;D.sup.1至D.sup.4形成一个可取代的六元环,可选地含有最多两个氮原子;R至少是来自R.sup.7或Q--C.sub.1-4烷基、Q--C.sub.2-4烯基、Q--C.sub.2-4炔基的一个取代基,最好是通过酸性功能取代的;R*是H、Q--C.sub.1-6烷基、Q--C.sub.1-6氧代烷基、Q--C.sub.2-6烯基或Q--C.sub.2-4炔基、C.sub.3-6环烷基、Ar或Het,可选择性地取代一个或多个取代基;R.sup.6最好是含有碱性氮基团的取代基;或其药学上可接受的盐,用于抑制血小板聚集,用于实现此类活性的药物组合物,以及用于抑制血小板聚集的方法。