申请人:Daiichi Seiyaku Co., Ltd.
公开号:US04284773A1
公开(公告)日:1981-08-18
A 1,2,3,5-tetrahydroimidazothienopyrimidin-2-one represented by the formula: ##STR1## wherein one of Z.sub.1, Z.sub.2 and Z.sub.3 is a sulfur atom and the remaining two of Z.sub.1, Z.sub.2 and Z.sub.3 represent CH, R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a phenyl group, a chlorine atom or, when taken together R.sub.1 and R.sub.2 represent an alkylene chain of 3 to 5 carbon atoms, and R.sub.3 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and a pharmaceutically acceptable acid addition salt thereof, which exhibit an excellent blood platelet anti-aggregatory activity and are useful as anti-thrombotic agents.
公式为:##STR1## 的1,2,3,5-四氢咪唑噻嘧啶-2-酮,其中Z.sub.1、Z.sub.2和Z.sub.3中的一个是硫原子,而Z.sub.1、Z.sub.2和Z.sub.3中的另外两个代表CH,R.sub.1和R.sub.2分别代表氢原子、含有1至5个碳原子的烷基、苯基、氯原子或当R.sub.1和R.sub.2在一起时,代表3至5个碳原子的烷基链,而R.sub.3代表氢原子或含有1至5个碳原子的烷基,以及其药学上可接受的酸加盐。该化合物表现出优异的血小板抗聚集活性,并可用作抗血栓剂。