The present invention discloses the compound represented by the formula (I):
wherein A represents the following formula (a-1) or the following formula (a-2):
B represents the following formula (b):
(wherein the symbols are each as defined in the specification) or a pharmaceutically acceptable salts thereof, and intermediates for the preparation thereof, which have excellent platelet aggregation inhibitory activity and other properties and useful as prophylactic or therapeutic agents for diseases associated with a fibrinogen receptor, thrombosis, infarction and the like.
本发明公开了以下公式(I)所表示的化合物:
其中A代表以下公式(a-1)或以下公式(a-2):
B代表以下公式(b):
(其中符号如规范中所定义)或其药学上可接受的盐,以及用于制备其的
中间体,具有优异的血小板聚集抑制活性和其他性质,并且可用作与
纤维蛋白原受体、血栓形成、梗塞等疾病相关的预防或治疗剂。