There is provided a novel triazinone compound that has an excellent T-type voltage-dependent calcium channel inhibitory activity and is specifically useful for treatment of pain. A compound of Formula (I), a tautomer of the compound, a pharmaceutically acceptable salt thereof, or a solvate thereof:
where each substituent is defined in detail in the description or claims, for example R1 is H or C1-6 alkoxy, etc., each of L1 and L2 is independently a single bond or NR2, etc., L3 is C1-6 alkylene, etc., A is C6-14 aryl or 5 to 10-membered heteroaryl which is optionally substituted, etc., B is C3-11 cycloalkylene, etc., D is C6-14 aryl or 5 to 10-membered heteroaryl which is optionally substituted, etc.
提供了一种新型的
三嗪酮化合物,具有出色的T型电压依赖性
钙通道抑制活性,特别适用于治疗疼痛。该化合物的公式(I),其互变异构体,其药学上可接受的盐或其溶剂化物:其中每个取代基在描述或权利要求中详细定义,例如R1是H或C1-6烷氧基等,L1和
L2各自独立地是单键或NR2等,L3是C1-6烷基等,A是C6-14芳基或5到10元杂环芳基,可选择性地取代等,B是C3-11环烷基等,D是C6-14芳基或5到10元杂环芳基,可选择性地取代等。