Analogs of the prostaglandin PGE.sub.1 are disclosed. These compounds exhibit uterotonic properties, enhancing the response to PGF.sub.2 .alpha. in isolated rat uteri. The compounds also exhibit other pharmacological properties, as inhibitors of gastric acid secretion, hypotensives, and bronchodilators. Processes for making the analogs, useful intermediates, and pharmaceutical preparations are also presented.
                            本发明公开了
前列腺素PGE.sub.1的类似物。这些化合物表现出子宫张力作用,在离体大鼠子宫中增强对
PGF.sub.2 .alpha.的反应。这些化合物还表现出其他药理特性,如抑制胃酸分泌、降压和支气管扩张剂。本发明还提供了制备这些类似物的方法、有用的中间体和制药制剂。