申请人:Kowa Co., Ltd.
公开号:US06008224A1
公开(公告)日:1999-12-28
The present invention is directed to a pyrimidine derivative of the following formula (1) or a salt of the derivative: ##STR1## [wherein R.sup.1 represents a lower alkyl group; each of R.sup.2 and R.sup.3 represents H, alkyl, or alkoxy; each of R.sup.4 and R.sup.5 represents H or alkyl; R.sup.6 represents alkyl, --OR.sup.7, or --NR.sup.8 R.sup.9 ; and n is a number between 0 and 3 inclusive (wherein each of R.sup.7, R.sup.8, and R.sup.9 represents H, alkyl, aryl, aralkyl, amino, a heterocyclic ring, etc.)], as well as to a medicine containing the derivative or salt as the active ingredient. The present compounds exhibit strong binding inhibitory activity against endothelin having potent vasoconstrictive effect and cell proliferation effect. Therefore, the compounds are effective as remedies for various diseases including circulatory diseases.
本发明涉及以下式(1)的嘧啶衍生物或其盐:
##STR1##
(其中,R1代表较低烷基;R2和R3各自代表H,烷基或烷氧基;R4和R5各自代表H或烷基;R6代表烷基,--OR7或--NR8R9;n是0到3之间的数字(其中,R7、R8和R9各自代表H,烷基,芳基,芳烷基,氨基,杂环环等)),以及含有该衍生物或盐作为活性成分的药物。本化合物表现出强的内皮素结合抑制活性,具有强的血管收缩作用和细胞增殖作用。因此,该化合物对包括循环疾病在内的各种疾病具有治疗作用。