申请人:Nippon Chemiphar Co., Ltd.
公开号:EP3572403A1
公开(公告)日:2019-11-27
A compound represented by General Formula (I), a tautomer, a stereoisomer, or a pharmaceutically acceptable salt of the compound, or a solvate thereof is used as a voltage-dependent T-type calcium channel inhibitor,
in the formula,
A represents a benzene ring which may have a substituent or the like;
B represents a hetero-fused ring consisting of a 5- or 6-membered heteroaryl ring having one to three same or different heteroatoms selected from an oxygen atom, a sulfur atom, and a nitrogen atom, and a carbon atom, as a ring-constituting atom, and a benzene ring, or the like, and the hetero-fused ring may have a substituent, and is bonded to a cyclopropyl group via a carbon atom constituting these rings;
R1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the like;
R2 and R3 may be the same as or different from each other, and each represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the like, or R2 and R3 together form CH2CH2 or the like;
R4 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or the like;
m represents 0, 1, or 2; and
n represents 0 or 1.
通式 (I) 所代表的化合物、同分异构体、立体异构体或其药学上可接受的盐或其溶液可用作电压依赖性 T 型钙通道抑制剂、
式中
A 代表一个苯环,该环上可以有取代基等;
B 代表由 5 或 6 元杂芳基环组成的杂融合环,该环具有 1 至 3 个相同或不同的杂原子,这些杂原子选自氧原子、硫原子和氮原子,以及作为构环原子的碳原子和苯环或类似物,杂融合环可具有取代基,并通过构成这些环的碳原子与环丙基键合;
R1 代表氢原子、具有 1 至 6 个碳原子的烷基或类似基团;
R2 和 R3 可以相同或不同,各自代表氢原子、具有 1 至 6 个碳原子的烷基或类似基团,或 R2 和 R3 共同形成 CH2CH2 或类似基团;
R4 代表氢原子、具有 1 至 6 个碳原子的烷基或类似物;
m 代表 0、1 或 2;以及
n 代表 0 或 1。