Benzodioxane prostacyclin analogs represented by the formula: ##STR1## wherein R.sub.1 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, or phenoxyalkyl; R.sub.2 is hydrogen, lower alkyl, or aralkyl; R.sub.3 is hydrogen or a protecting group; A is ethylene or vinylene; and the wavy line indicates .alpha. or .beta. configuration or their mixture; or a salt thereof having an antiulcer activity and platelet aggregation inhibitory activity.
公式为:##STR1##的苯并二氧环
前列腺素类似物,其中R.sub.1是烷基,烯基,炔基,环烷基,环烷基烷基或苯氧基烷基; R.sub.2是氢,低烷基或芳基烷基; R.sub.3是氢或保护基; A是
乙烯基或
乙烯基; 波浪线表示α或β构型或它们的混合物; 或其盐,具有抗溃疡活性和抑制血小板聚集活性。