Angiotensin II antagonists as a prophylactic or therapeutic drug for renal diseases
申请人:TAKEDA CHEMICAL INDUSTRIES, LTD.
公开号:EP0622077A1
公开(公告)日:1994-11-02
This invention relates to prophylactic or therapeutic drug for diabetic nephropathy or glomerulonephritis, comprising, as an active ingredient, a compound or salt thereof represented by general formula (I)
wherein R¹ stands for H or an optionally substituted hydrocarbon residue; R² stands for an optionally esterified carboxyl group; R³ stands for a group actually or potentially capable of forming an anion; X shows that the phenylene and phenyl groups bind to each other directly or through a spacer having an atomic chain length of two or less; n stands for 1 or 2; ring A stands for a benzene ring having an optional substituent in addition to R²; Y stands for a bond, -O-, -S(O)m- (wherein m stands for 0, 1 or 2), or -N(R⁴)- (wherein R⁴ stands for H or an optionally substituted alkyl group).
本发明涉及糖尿病肾病或肾小球肾炎的预防或治疗药物,其活性成分包括通式 (I) 所代表的化合物或其盐。
其中 R¹ 代表 H 或任选取代的烃残基;R² 代表任选酯化的羧基;R³ 代表实际或潜在能形成阴离子的基团;X 表示亚苯基和苯基直接或通过原子链长度为 2 或更短的间隔物相互结合;n 代表 1 或 2;环 A 代表除 R² 之外还具有任选取代基的苯环;Y 代表键、-O-、-S(O)m-(其中 m 代表 0、1 或 2)或-N(R⁴)-(其中 R⁴ 代表 H 或任选取代的烷基)。