Butenoic acid amides, their salts, pharmaceutical compositions containing them and process for preparing same
申请人:RICHTER GEDEON VEGYESZETI GYAR R.T.
公开号:EP0309261A2
公开(公告)日:1989-03-29
Compounds of the general formula (I),
wherein
R is hydrogen, halogen, C₁₋₄alkyl, C₁₋₄alkoxy or C₁₋₄acylamino group;
R₁ is hydrogen or a carboxyl-protective group; and
R₂ represents a -(CH₂)n-CO₂R₅ group, wherein
n is 1, 2, 3 or 4; and
R₅ is hydrogen or a carboxyl-protective group;
or
R₂ is a -(CH₂)n-NH₂ group, wherein
n is 1, 2, 3 or 4
in the E and/or Z configuration, as well as their salts, show a cytoprotective effect and promote the healing of stomach ulcers. Their toxicity is low.
通式(I)化合物、
其中
R₁ 是氢、卤素、C₁₋₄烷基、C₁₋₄烷氧基或 C₁₋₄acylamino 基团;
R₁ 是氢或羧基保护基团;以及
R₂ 代表-(CH₂)n-CO₂R₅基团,其中
n 是 1、2、3 或 4;以及
R₅ 是氢或羧基保护基团;
或
R₂ 是-(CH₂)n-NH₂基团,其中
n 是 1、2、3 或 4
或 Z 构型的基团及其盐类具有细胞保护作用,并能促进胃溃疡的愈合。它们的毒性很低。