申请人:Sumitomo Dainippon Pharma Co., Ltd.
公开号:EP3828174A1
公开(公告)日:2021-06-02
Provided are: a pyridazinone derivative and/or a pharmaceutically acceptable salt thereof, which is useful as a therapeutic agent and/or a prophylactic agent for diseases in which Nav1.1 is involved and various central nervous system diseases; and a medicine containing the pyridazinone derivative and/or the pharmaceutically acceptable salt thereof as an active ingredient. A compound represented by formula (1) or a pharmaceutically acceptable salt thereof.
[In the formula, M1 represents a saturated or partially unsaturated C4-12 carbocyclic group or the like; R1 and R2 independently represent a hydrogen atom or the like; M2 represents a group represented by formula (2a) or the like; X1a, X1b and X1c independently represent N or the like; X2, X3 and X4 independently represent CR3 or the like; A1 and A2 independently represent N or the like; and R3 represents a hydrogen atom or the like.]
提供了:一种哒嗪酮衍生物和/或其药学上可接受的盐,可用作 Nav1.1 参与的疾病和各种中枢神经系统疾病的治疗剂和/或预防剂;以及一种含有该哒嗪酮衍生物和/或其药学上可接受的盐作为活性成分的药物。由式(1)代表的化合物或其药学上可接受的盐。
[式中,M1 代表饱和或部分不饱和的 C4-12 碳环基团或类似物;R1 和 R2 独立地代表氢原子或类似物;M2 代表式 (2a) 所代表的基团或类似物;X1a、X1b 和 X1c 独立地代表 N 或类似物;X2、X3 和 X4 独立地代表 CR3 或类似物;A1 和 A2 独立地代表 N 或类似物;以及 R3 代表氢原子或类似物。]