申请人:YAMANOUCHI PHARMACEUTICAL CO., LTD.
公开号:EP0905129A1
公开(公告)日:1999-03-31
A substituted-amidinobenzene derivative of the following general formula (I) or a salt thereof, and a pharmaceutical composition comprising said derivative or a salt thereof and a pharmaceutically acceptable carrier.
(the symbols in the above formula have the following meanings:
R1:a group which can be converted into an amidino group in vivo;
R2 and R3:the same or different and each represents a carboxyl group or a group which can be converted into a carboxyl group in vivo;
X1 and X2:the same or different and each represents a lower alkylene group;
m:0, 1 or 2,
n:0 or 1, provided that n = 1 when m = 0.
They have GPIIb/IIIa receptor antagonizing activity and are useful as medicines for ameliorating ischemic cardiac disorders, adminicula in cardiosurgery operations or in vascular surgery operations, medicines for ameliorating cerebrovascular disorders, and medicines for ameliorating peripheral artery disorders. In addition, they are useful as a prodrug excellent in peroral absorbability and sustainment of the effect.
下通式(I)的取代脒苯衍生物或其盐,以及由上述衍生物或其盐和药学上可接受的载体组成的药物组合物。
(上式中的符号含义如下:
R1:可在体内转化为脒基的基团;
R2和R3:相同或不同,各自代表一个羧基或一个可在体内转化为羧基的基团;
X1和X2:相同或不同,各自代表一个低级亚烷基;
m:0、1 或 2、
n:0或1,但当m=0时,n=1。
它们具有 GPIIb/IIIa 受体拮抗活性,可用作改善缺血性心脏疾病的药物、心脏外科手术或血管外科手术中的用药、改善脑血管疾病的药物以及改善外周动脉疾病的药物。此外,作为一种原药,它们在口服吸收性和药效持续性方面也有出色的表现。