This invention relates to novel imidazolidinone prostaglandin compounds of the formula ##STR1## and the pharmaceutically acceptable salts thereof, wherein R.sup.1 and R.sup.2 are independently hydrogen or alkyl of 1 to 4 carbons; R.sup.3 is hydrogen or methyl; and R4 is --(CH.sub.2).sub.n CH.sub.3 wherein n is 3-7, cycloalkyl of 5-7 carbons, a substituent of the formula ##STR2## wherein R.sup.5 is hydrogen, alkyl of 1 to 4 carbons, alkoxy of 1 to 4 carbons, halo or trifluoromethyl. These compounds are inhibitors of blood platelet aggregation.
本发明涉及新型
咪唑啉酮
前列腺素化合物,其
化学式为##STR1##以及其药学上可接受的盐,其中R.sup.1和R.sup.2独立地为氢或1至4个碳的烷基;R.sup.3为氢或甲基;R4为--(CH.sub.2).sub.n CH.sub.3,其中n为3-7,环烷基为5-7个碳,或者是一个取代基,其
化学式为##STR2##其中R.sup.5为氢,1至4个碳的烷基,1至4个碳的烷氧基,卤素或三
氟甲基。这些化合物是血小板聚集
抑制剂。