A 1H-imidazopyridine derivative represented by the following general formula (I) or a salt thereof having an inhibitory action against production of a cytokine:
1
wherein R
1
represents hydrogen atom, an alkyl group, a cycloalkyl group, or an aryl group; R
2
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; R
3
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 R
3
represents a saturated nitrogen-containing heterocyclic group and R
2
is a non-substituted alkyl group is excluded.
以下是一种
1H-咪唑吡啶衍生物,其
化学式如下(I),或其盐,具有抑制细胞因子产生的作用:
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
氨基或饱和含
氮杂环基;k表示0到3的整数;但其中R3代表饱和含
氮杂环基,且R2为非取代烷基的化合物被排除在外。