申请人:Ono Pharmaceutical Company
公开号:US04140712A1
公开(公告)日:1979-02-20
The present invention relates to 20-hydroxy prostaglandins of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## and X represents ethylene or cis-vinylene and Y represents trans-vinylene, or X and Y each represent ethylene, R represents a hydrogen atom or a straight- or branched-chain alkyl group containing from 1 to 12 carbon atoms, R.sup.1 , R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which may be the same or different, each represent a hydrogen atom or a methyl or ethyl group, and n represents zero or an integer from 1 to 3 inclusive, and cyclodextrin clathrates of such acids and esters and, when R represents a hydrogen atom, the non-toxic salts thereof. These compounds exhibit characteristic prostaglandin activity.
本发明涉及以下式的20-羟基前列腺素:##STR1##其中A代表以下式的分组:##STR2##X代表乙烯或顺式乙烯基,Y代表反式乙烯基,或者X和Y各代表乙烯基,R代表氢原子或含有1至12个碳原子的直链或支链烷基基团,R.sup.1,R.sup.2,R.sup.3,R.sup.4和R.sup.5,可以相同也可以不同,每个代表氢原子或甲基或乙基基团,n代表零或1至3之间的整数,并且这些酸和酯的环糊精包合物以及当R代表氢原子时的非毒性盐。这些化合物表现出特征的前列腺素活性。