申请人:Japan Tobacco Inc.
公开号:EP0396065A1
公开(公告)日:1990-11-07
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-、-CH2-、-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。