Anti-hypertensive compounds of formula (I):
wherein
one of R, and R2 is nitro, cyano or C1-3 alkylcarbonyl, and the other is methoxy or amino optionally substituted by one or two C1-6 alkyl or by C2-7 alkanoyl;
one of R3 and R4 is hydrogen or C1-4 alkyl and the other is C1-4 alkyl, or R3 and R4 together with the carbon atom to which they are attached are C3-6 spiroalkyl;
R5 is hydrogen, C1-3 alkyl or C1-6 acyl; and
n is 1 or 2; the lactam group being trans to the OR5 group; or, when the other of R, and R2 is amino, a pharmaceutically acceptable salt thereof.
式(I)的抗高血压化合物:
其中
R 和 R2 中的一个是硝基、
氰基或 C1-3 烷基羰基,另一个是甲
氧基或
氨基,可选择被一个或两个 C1-6 烷基或 C2-7 烷酰基取代;
R3 和 R4 中的一个是
氢或 C1-4 烷基,另一个是 C1-4 烷基,或 R3 和 R4 与它们所连接的
碳原子一起是 C3-6 螺烷基;
R5 是
氢、C1-3 烷基或 C1-6
丙烯酸基;以及
n为1或2;内
酰胺基团反式为OR5基团;或者,当R和R2中的另一个为
氨基时,为其药学上可接受的盐。