申请人:Sankyo Company, Limited
公开号:US04699905A1
公开(公告)日:1987-10-13
Compounds of formula (I): ##STR1## (wherein: R.sup.1 represents an optionally substituted alkyl, cycloalkyl, aryl, partially hydrogenated aryl or heterocyclic group; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represent hydrogen or an optionally substituted alkyl, cycloalkyl, aralkyl, aryl, heterocyclic or heterocyclic-alkyl group or any adjacent pair thereof form a cyclic structure, at least one not being hydrogen; A represents a bond, or a methylene, ethylene, oxymethyl or thiomethyl group; B represents an alkylene, alkylidene, cycloalkylene or cycloalkylidene group; and n is 0, 1 or 2) and salts and esters thereof are hypotensive agents.
式(I)的化合物:##STR1##(其中:R.sup.1代表一个可选择取代的烷基、环烷基、芳基、部分氢化的芳基或杂环基;R.sup.2、R.sup.3、R.sup.4和R.sup.5代表氢或一个可选择取代的烷基、环烷基、芳基、芳基烷基、杂环基或杂环烷基,或者其中任意相邻的一对形成一个环结构,至少有一个不是氢;A代表一个键或一个亚甲基、乙烯基、氧甲基或硫甲基基团;B代表一个烷基、烷基亚甲基、环烷基或环烷基亚甲基基团;n为0、1或2)及其盐和酯是降压药。