申请人:SANTEN PHARMACEUTICAL CO., LTD.
公开号:EP1103543A1
公开(公告)日:2001-05-30
Novel urea derivatives represented by general formula (I) and salts thereof, which exhibit an inhibitory effect against the production of TNF-α and are useful as remedies for various diseases, particularly autoimmune diseases such as rheumatoid arthritis, wherein R1 is H, alkyl, phenyl or formula (II) R2 is H, alkyl, carboxyl, an ester thereof or the like; R3 and R4 are each H, alkyl, cycloalkyl or the like; R5 is H, alkyl, hydroxyl or the like; R6 is a nitrogenous aromatic heterocycle; and A1 and A2 are each alkylene.
通式(I)代表的新型脲衍生物及其盐类,对TNF-α的产生有抑制作用,可用于治疗各种疾病,特别是自身免疫性疾病,如类风湿性关节炎,其中R1是H、烷基、苯基或式(II)R2是H、烷基、羧基、其酯或类似物;R3 和 R4 分别是 H、烷基、环烷基或类似物; R5 是 H、烷基、羟基或类似物; R6 是含氮芳香杂环;以及 A1 和 A2 分别是亚烷基。