The invention provides novel PGF analogs. In particular, the present invention relates to compounds having a structure according to the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y, and Z are defined below. This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof. The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders and glaucoma. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders and glaucoma using theses compounds or the compositions containing them.
本发明提供了新型
PGF类似物。特别地,本发明涉及具有以下结构式的化合物:##STR1## 其中R.sub.1,R.sub.2,R.sub.3,R.sub.4,X,Y和Z的定义如下。本发明还包括上述公式的光学异构体、对映异构体和对映体,以及其药学上可接受的盐、
生物可
水解酰胺、酯和
亚胺。本发明的化合物对于治疗各种疾病和病症,如骨疾和青光眼,有用。因此,本发明还提供包含这些化合物的药物组合物。本发明还提供使用这些化合物或含有它们的组合物治疗骨疾和青光眼的方法。