Compounds of the formula (I) and salts thereof:
wnerem:
A is a bond, -CH2- or -CH=CH-;
R2 is hydrogen and R1 is selected from C1-4 alkyl, hydroxyl, C1-4 alkoxy, C1-4 alkanoyloxy, hydrogen, halogen, nitro, cyano, and amino optionally substituted by one or two C1-4 alkyl groups or by C1-4 alkanoyl;
R4 is C1-4 alkyl, hydroxy, C1-4 alkoxy, C1-4 alkanoyloxy or nitrato;
R2N is 1-piperidyl, morpholino or 4-methyl-1-piperazyl, optionally substituted by one or two methyl groups in the 2-, 4- or 6- positions as apt, or 1-pyrrolidyl substituted by one or two methyl groups.
m is 0 or 1; and
n is 0 to 3
a process for their preparation and compositions containing them.
式 (I) 的化合物及其盐类:
wnerem:
A 是键、-
CH2- 或 -CH=CH-;
R2 是氢,R1 选自 C1-4 烷基、羟基、C1-4 烷氧基、C1-4 烷酰氧基、氢、卤素、硝基、
氰基和任选被一个或两个 C1-4 烷基或 C1-4 烷酰基取代的
氨基;
R4 是 C1-4 烷基、羟基、C1-4 烷氧基、C1-4 烷酰氧基或硝基;
R2N 是 1-
哌啶基、吗啉基或 4-甲基-1-
哌嗪基,可选择在 2-、4-或 6-位被一个或两个甲基取代,或被一个或两个甲基取代的 1-
吡咯烷基。
m 为 0 或 1;以及
n 为 0 至 3
一种制备它们的工艺和含有它们的组合物。