Amides of cyclomethylen-1,2-bicarboxylic acids having therapeutical activity, processes for their preparation and pharmaceutical compositions containing them
申请人:Laboratori Guidotti S.p.A.
公开号:EP0337348A2
公开(公告)日:1989-10-18
The amides of cyclomethylen-1,2-bicarboxylic acids having the formula:
wherein
A represents
1
R represents
R represents -H, CH3, -CH2-CH3, -CH(CH3)2, -CH2-CH2-CH3, -CH2-CH(CH3)2 -CH2-CH2-CH2-CH3, -CH2-C6H5, -C6-H5;
R3 represents
R5 represents -H, -CH3, -C2H5, -CH2-C6H5,
Y = -H, -CH3, -CH(CH3)2 Z = -H, -CH3, -C(CH3)3,
R4 = R5,
m is 0 or 1 and n is an integer varying between 0 and 3,
are endowed with ACE-inhibiting activity and are thus therapeutically useful as anti-hypertension agents.
For their preparation cyclomethylene-1,2-bicarboxylic acid or a derivative thereof is condensed either with an amino derivative containing a protected hydroxamic group, or with an aminoester, and then in the former case the protecting group is removed, or in the latter case is reacted with either hydroxylamine or N-alkylhydroxylamine.
式中的环亚甲基-1,2-二羧酸酰胺:
其中
A 代表
1
R 代表
R 代表-H、CH3、-CH2-CH3、-CH(CH3)2、-CH2-CH2-CH3、-CH2-CH(CH3)2 -CH2-CH2-CH3、-CH2-C6H5、-C6-H5;
R3 代表
R5代表-H、-CH3、-C2H5、-CH2-C6H5、
y = -H、-CH3、-CH(CH3)2 z = -H、-CH3、-C(CH3)3、
R4 = R5、
m 为 0 或 1,n 为 0 至 3 之间的整数、
具有抑制 ACE 的活性,因此可作为抗高血压药物用于治疗。
在制备环亚甲基-1,2-二羧酸或其衍生物时,先将其与含有受保护羟氨基的氨基衍生物或氨基酯缩合,然后在前一种情况下去除保护基,或在后一种情况下与羟胺或 N-烷基羟胺反应。