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; R
1
represents a C?1#191-C?12#191 alkyl group which may be substituted; R
2
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.
一种由公式(I)表示的
吡啶酮衍
生物或其盐,或其溶剂化物或其
水合物,用作tau蛋白激酶1
抑制剂:其中X代表CH或氮原子;R1代表C?1#191-C?12#191烷基,可以被取代;R2代表C?1#191-C?8#191烷基,可以被取代,苯环,可以被取代的
萘环,可以被取代的
茚环,可以被取代的四氢
萘环,或者是选自氧原子,
硫原子和氮原子的1-4个杂原子,总共有5-10个构成环的原子的可选取代杂环。