Compounds represented by general formula (I) (all of the symbols in the formula conform to the definitions in the Description) are compounds that, in addition to having a Btk-selective inhibitory activity, exhibit an excellent metabolic stability and can avoid hepatotoxicity or the like, and as a consequence can provide safe therapeutic agents for diseases in which B cells or mast cells participate.
Compounds represented by general formula (I) as drawn below (all of the symbols in the formula conform to the definitions in the Description) are compounds that, in addition to having a Btk-selective inhibitory activity, exhibit an excellent metabolic stability and can avoid hepatotoxicity or the like, and as a consequence can provide safe therapeutic agents for diseases in which B cells or mast cells participate.
下图中通式(I)所代表的化合物(式中所有符号均符合说明中的定义),除了具有 Btk 选择性抑制活性外,还具有极佳的代谢稳定性,可避免肝毒性等,因此可为 B 细胞或肥大细胞参与的疾病提供安全的治疗剂。