Imidazothiazolemethylene-acetohydrazide derivatives, preparation thereof and pharmaceutical composition having diuretic activity
申请人:MEDIOLANUM FARMACEUTICI s.r.l.
公开号:EP0164635A2
公开(公告)日:1985-12-18
Compounds of formula I
wherein
X, Y, n, R,, R2, R3 may have the following meanings, in all the possible combinations:
X and Y, which may be the same or different, represent H, CH3, C1-C5 alkyl groups, optionally substituted, aryl groups;
n is 0, 1, 2;
R1 represents Cl, F, Br, C1-C6 alkyl groups, aryl and alkyl-aryl groups optionally substituted;
R2 and R3, which may be the same or different represent H, CH3, alkyl groups, cycloalkyl groups, aryl-alkyl groups containing heteroatoms, heterocyclic groups optionally benzo- condensed;
prepared from substituted amino-acetohydrazides and imi- dazo (2,1-b)-thiazole-5-carboxyaldehydes, have remarkable diuretic and antihypertensive activities.
式 I 的化合物
式中
X、Y、n、R、R2、R3 在所有可能的组合中具有如下含义:
X 和 Y 可以相同或不同,代表 H、CH3、C1-C5 烷基、任选取代的芳基;
n 为 0、1、2;
R1 代表 Cl、F、Br、C1-C6 烷基、芳基和任选取代的烷基芳基;
R2 和 R3(可以相同或不同)代表 H、CH3、烷基、环烷基、含有杂原子的芳基-烷基、任选苯缩合的杂环基团;
由取代的氨基乙酰肼和咪唑(2,1-b)-噻唑-5-羧基醛制备而成,具有显著的利尿和降压活性。