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.
公式(I)的化合物:##STR1##(其中:R.sup.1代表可选取代的烷基,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代表氢或可选取代的烷基,环烷基,芳基烷基,芳基,杂环或杂环烷基或任何相邻的一对形成环状结构,至少有一个不是氢;A代表键或甲基,乙基,氧甲基或硫甲基基团;B代表烷基,烷基亚甲基,环烷基或环烷基亚甲基基团;n为0,1或2),以及它们的盐和酯是降压剂。