This invention is directed to bicyclic pyrimidine derivatives of the following formulae: ##STR1## where A is --O--and Z.sup.1,Z.sup.2,R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6,R.sup.7 are defined herein. These compounds are useful as anti-coagulants. This invention is also directed to pharmaceutical compositions containing these compounds and methods of using the compounds to treat disease-states characterized by thrombotic activity.
本发明涉及以下式子的双环
嘧啶衍
生物:##STR1## 其中A为--O--,Z.sup.1,Z.sup.2,R.sup.1,R.sup.2,R.sup.3,R.sup.4,R.sup.5,R.sup.6,R.sup.7在此被定义。这些化合物可用作抗凝剂。本发明还涉及含有这些化合物的药物组合物以及使用这些化合物治疗由血栓活动表现出的疾病状态的方法。