A pyrimidone derivative represented by formula (I) or a salt thereof, or a solvate thereof or a hydrate thereof useful as a tau protein kinase 1 inhibitor:wherein X represents CH or nitrogen atom; R1 represents a C?1#191-C?12#191 alkyl group which may be substituted;R2 represents a C?1#191-C?8#191 alkyl group which may be substituted, a benzene ring which may be substituted, a naphthalene ring which may be substituted, an indan ring which may be substituted, a tetrahydronaphthalene ring which may be substituted, or an optionally substituted heterocyclic ring having 1 to 4 hetero atoms selected from the group consisting of oxygen atom, sulfur atom, and nitrogen atom, and having 5 to 10 ring-constituting atoms in total.
由以下公式(I)表示的
嘧啶酮衍
生物或其盐,或其溶剂合物或
水合物,可用作tau蛋白激酶1
抑制剂:其中X代表CH或氮原子;R1代表一个C?1#191-C?12#191烷基基团,可以被取代;R2代表一个C?1#191-C?8#191烷基基团,可以被取代,一个可以被取代的苯环,一个可以被取代的
萘环,一个可以被取代的
茚环,一个可以被取代的四氢
萘环,或一个可选择地取代的杂环,其中有1到4个异原子,选择自氧原子、
硫原子和氮原子,并且总共有5到10个组成环的原子。