Compounds of the formula (I):
characterised in that
n is 1 to 5;
L is CO2R wherein R is hydrogen or COz2 is an ester group in which R contains from 1 to 12 carbon atoms, or CH2COR, wherein R, is C1-4 alkyl;
Y is -CH2CH2-, -CH=CH- or -C≡C-;
R2 is hydrogen or C1-4 alkyl;
R. is hydrogen or C1-9 alkyl, C3-8 cycloalkyl, C3-8 cycloalkyl-C1-6 alkyl; or
R2 and R. taken with the carbon atom to which they are joined represent a C5-8 cycloalkyl group;
R5 is NR6R, wherein R6 and R7 independently are hydrogen, C1-4 alkyl, phenyl C1-4 alkyl or NR6R7 is a 3 to 7 membered heterocyclic group containing only one hetero atom; hydrogen, C1-4 alkyl or C1-4 alkyl substituted by an OH, C1-4 alkoxy, CN, halogen or NR6R7 group as defined above, or by one or two CO2A groups in which A is hydrogen or a group containing from 1 to 12 carbon atoms; and R8 and R9 independently are hydrogen, C1-4 alkyl or together with the carbon atom to which they are joined are a C3-6 cycloalkyl group; and salts thereof, having activities similar to but more selective than those of natural prostaglandins, a process for their preparation and pharmaceutical compositions containing them.
式(I)化合物:
其特征在于
n 为 1 至 5;
L 是 CO2R,其中 R 是氢或 COz2 是酯基,其中 R 含 1 至 12 个碳原子,或 CH2COR,其中 R 是 C1-4 烷基;
Y是-CH2CH2-、-CH=CH-或-C≡C-;
R2 是氢或 C1-4 烷基;
R. 是氢或 C1-9 烷基、C3-8 环烷基、C3-8 环烷基-C1-6 烷基;或
R2 和 R. 与它们连接的碳原子一起代表 C5-8 环烷基;
R5为NR6R,其中R6和R7各自为氢、C1-4烷基、苯基C1-4烷基或NR6R7为仅含一个杂原子的3至7位杂环基团;氢、C1-4烷基或被OH、C1-4烷氧基、CN、卤素或上述定义的NR6R7基团取代的C1-4烷基,或被一个或两个CO2A基团取代的C1-4烷基,其中A为氢或含1至12个碳原子的基团;R8和R9分别为氢、C1-4烷基或与它们连接的碳原子一起为C3-6环烷基;以及它们的盐,其活性类似于天然
前列腺素,但比天然
前列腺素更有选择性,它们的制备方法和含有它们的药物组合物。