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.
本发明涉及式子为:##STR1##其中A表示式子:##STR2##X表示乙烯或顺式乙烯基,Y表示反式乙烯基,或X和Y均表示乙烯基,R表示氢原子或含有1至12个碳原子的直链或支链烷基,R.sup.1、R.sup.2、R.sup.3、R.sup.4和R.sup.5可以相同或不同,分别表示氢原子或甲基或乙基基团,n表示零或1至3的整数,以及这些酸和酯的环糊精包合物,当R表示氢原子时,还包括其非毒性盐。这些化合物表现出特征性的前列腺素活性。