申请人:Farmitalia Carlo Erba S.p.A.
公开号:US04510149A1
公开(公告)日:1985-04-09
Compounds of the formula (I) ##STR1## wherein the symbol represents a single or a double bond; Z completes a single bond or is a --CH.sub.2 -- group; each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different is (a) hydrogen; hydroxy; halogen; cyano; C.sub.1 -C.sub.6 alkyl; C.sub.1 -C.sub.6 alkoxy; a C.sub.2 -C.sub.4 acyl or C.sub.2 -C.sub.4 acylamino group; --SR', --N(R') (R"), --CH.sub.2 OR', --COR or --CH.sub.2 COR, wherein R is OR' or --N(R') (R") and each of R' and R", being the same or different, is hydrogen or C.sub.1 -C.sub.6 alkyl; or (b) one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is 5- tetrazolyl or a group selected from --COCH.sub.2 OR', --CH.dbd.C(R')-COR and --X-C(R') (R")-COR, wherein R, R' and R" are as defined above, and X is --O--, --S--, or --NH--, and the others are as defined above under (a); one of R.sub.5 and R.sub.6 is hydrogen and the other is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, or a phenyl or pyridyl ring, wherein the phenyl or pyridyl ring is unsubstituted or substituted by one to three substituents chosen from hydroxy and C.sub.1 -C.sub.4 alkoxy; or pharmaceutically acceptable salts thereof exhibit pharmaceutical activity as vasodilators or blood platelet aggregation inhibitors. Additionally, these compounds and their pharmaceutically acceptable salts are useful in the treatment of migraine, diabetic microangeopathy, rheumatoid arthritis, hypertension, peptic ulcers, osteoporosis, angina pectoris, atherosclerosis and dislipidaemies.
化合物的结构式为(I) ##STR1## 其中符号表示单键或双键;Z完成一个单键或是一个--CH.sub.2--基团;每个R.sub.1、R.sub.2、R.sub.3和R.sub.4,可能相同也可能不同,是(a) 氢;羟基;卤素;氰基;C.sub.1 -C.sub.6烷基;C.sub.1 -C.sub.6氧烷基;一个C.sub.2 -C.sub.4酰基或C.sub.2 -C.sub.4酰胺基团;--SR',--N(R')(R"),--CH.sub.2OR',--COR或--CH.sub.2COR,其中R为OR'或--N(R')(R"),且R'和R",可能相同也可能不同,是氢或C.sub.1 -C.sub.6烷基;或(b) R.sub.1、R.sub.2、R.sub.3和R.sub.4中的一个是5-四唑基或从--COCH.sub.2OR',--CH.dbd.C(R')-COR和--X-C(R')(R")-COR中选择的一个基团,其中R、R'和R"如上所定义,X为--O--,--S--或--NH--,其他的如(a)下定义;R.sub.5和R.sub.6中的一个是氢,另一个是氢、C.sub.1 -C.sub.6烷基、C.sub.3 -C.sub.6环烷基,或苯基或吡啶环,其中苯基或吡啶环未取代或通过一个到三个羟基和C.sub.1 -C.sub.4氧烷基取代;或其药学上可接受的盐作为血管扩张剂或抗血小板聚集抑制剂具有药理活性。此外,这些化合物及其药学上可接受的盐对治疗偏头痛、糖尿病微血管病变、类风湿性关节炎、高血压、消化性溃疡、骨质疏松症、心绞痛、动脉硬化和脂质代谢紊乱有用。