申请人:Nissan Chemical Industries, Ltd.
公开号:US05272271A1
公开(公告)日:1993-12-21
A compound of the formula (I): ##STR1## wherein X.sup.1 and X.sup.2 do not exist or represent oxygen atom; A represents OH or acyloxy group having 1 to 4 carbon atoms; B represents hydrogen atom; A and B together represent a bond; R.sup.1 and R.sup.2 represent hydrogen atom or alkyl group having 1 to 4 carbon atoms, or R.sup.1 and R.sup.2 together represent 1,2-ethylene, 1,3-propylene, 1,4-butylene or 1,5-pentylene, and these alkylene groups may be substituted by alkyl group having 1 to 4 carbon atoms; R.sup.3 represents amido group of the formula: ##STR2## wherein n, R.sup.4, R.sup.5, R.sup.6, R.sup.7. R.sup.8. R.sup.9, R.sup.10 and R.sup.11 represent specific groups, and the pharmacological acceptable salts of the compounds which can form salts have strong activity for lowering blood pressure, and process therefor and pharmaceutical use of the compounds.
该化合物的结构式(I)如下:其中X.sup.1和X.sup.2不存在或代表氧原子;A代表具有1至4个碳原子的羟基或酰氧基;B代表氢原子;A和B一起代表一个键;R.sup.1和R.sup.2代表氢原子或具有1至4个碳原子的烷基;或者R.sup.1和R.sup.2一起代表1,2-乙烯基、1,3-丙烯基、1,4-丁烯基或1,5-戊烯基,这些烷基基团可能被具有1至4个碳原子的烷基基团取代;R.sup.3代表下述结构的酰胺基团:其中n,R.sup.4,R.sup.5,R.sup.6,R.sup.7,R.sup.8,R.sup.9,R.sup.10和R.sup.11代表具体的基团,这些能形成盐的化合物的药理学可接受盐具有降低血压的强活性,以及这些化合物的制备方法和药用。