An amino acid derivative of the general formula:
wherein R1 is
wherein, R10 is a lower alkyl group and R" is
(wherein R111 is a lower alkyl group and n is an integer of 1 to 5) or a lower alkyl group which may be substituted by hydroxy group or methoxyethoxymethoxy group, or R'° and R" are
combinedly together with the adjacent nitrogen atom;
R12 is a hydrogen atom, CnH2n+1-O-CO- (n is as defined above) or
R'3 is a lower alkyl group which may be substituted by substituent(s) selected from HOOC-(H2C)n-O-, R12- NH- (n and R12 are as defined above) and pyridyl group;
X is -CH2-, -O- or -NH- and Y is -O- or -NH-; wherein
(wherein Z is -0-, -S-, -S(O)-. -S(O)2-, -CH2-, -CH(OH)-,
or
and a and b are independently an integer of 1 to 4 and the total of a and b is not more than 5) ;
R2 is an aralkyl group which may be substituted by lower alkyl group(s);
R3 is a hydrogen atom or a lower alkyl group;
R4 is a lower alkyl group;
and A is hydroxy group and B is a hydrogen atom, or A and B are carbonyl group combinedly together with the adjacent carbon atom, a pharmaceutically acceptable acid addition salt or an ester thereof is described. The compounds of the invention possess inhibitory activities against renin and are useful as an antihypertensive agent.
通用公式的
氨基酸衍
生物:
其中R1为
其中,R10为较低的烷基基团,R"为
(其中R111为较低的烷基基团,n为1至5的整数)或者可以被羟基或甲氧乙氧甲氧基取代的较低烷基基团,或者R'°和R"与相邻的氮原子
结合在一起;
R12为氢原子,CnH2n+1-O-CO-(n如上定义)或者
R'3为可以被HOOC-(H2C)n-O-、R12-NH-(n和R12如上定义)和
吡啶基取代的较低烷基基团;
X为-
CH2-、-O-或-NH-,Y为-O-或-NH-;其中
(其中Z为-0-、-S-、-S(O)-、-S(O)2-、- -、-CH(OH)-,
或
a和b分别独立为1至4的整数,且a和b的总和不超过5);
R2为可以被较低烷基基团取代的芳基烷基基团;
R3为氢原子或较低烷基基团;
R4为较低烷基基团;
A为羟基,B为氢原子,或者A和B与相邻的碳原子结合在一起,描述了一种药学上可接受的酸盐或其酯。本发明的化合物具有对肾素的抑制活性,并可用作降压药。