申请人:HOKURIKU SEIYAKU CO., LTD.
公开号:EP1256582A1
公开(公告)日:2002-11-13
A 1H-imidazopyridine derivative represented by the following general formula (I) or a salt thereof having an inhibitory action against production of a cytokine:
wherein R1 represents hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group; R2 represents a cycloalkyl group, an alkyl group, an aryl group, cyano group, mercapto group, carboxyl group, or carbamoyl group; ring A represents a homocyclic or heterocyclic ring; R3 represents an amino group or a saturated nitrogen-containing heterocyclic group; and k represents an integer of from 0 to 3; provided that the compound wherein R3 represents a saturated nitrogen-containing heterocyclic group and R2 is a non-substituted alkyl group is excluded.
以下是通用公式(I)所代表的1H-咪唑吡啶衍生物或其对细胞因子产生抑制作用的盐,其中R1代表氢原子、烷基、环烷基或芳基;R2代表环烷基、烷基、芳基、氰基、巯基、羧基或氨基甲酰基;环A代表同环或异环;R3代表氨基或饱和氮杂环基;k代表0到3的整数;但其中R3代表饱和氮杂环基且R2为非取代烷基的化合物被排除在外。