申请人:Suntory Limited
公开号:US04640922A1
公开(公告)日:1987-02-03
A 3N-substituted 3,4-dihydropyrimidine derivative of the formula: ##STR1## wherein R.sup.1 is methyl or ethyl, R.sup.2 is methyl or ethyl, R is phenyl or substituted phenyl, X is chloro or methyl and pharmaceutically acceptable acid addition salts thereof have substantially the same strong vasodilative and Ca.sup.++ antagonistic effects as nicardipine and therefore are useful as agents for treating disorders of the cardiovascular system, for example, hypotensive agents, agents for amelioration of brain circulation and anti-angina pectoris agents. Processes for producing the above compounds economically and effectively are also disclosed.
一种3N-取代3,4-二氢嘧啶衍生物,其化学式为:##STR1## 其中R.sup.1是甲基或乙基,R.sup.2是甲基或乙基,R是苯基或取代苯基,X是氯或甲基,以及其药学上可接受的酸盐加合物具有与尼卡地平相同的强烈血管扩张和Ca.sup.++拮抗作用,因此可用作治疗心血管系统疾病的药物,例如降压药物,改善脑循环的药物和抗心绞痛药物。还公开了经济有效地生产上述化合物的方法。