The invention provides a pyridone azo compound represented by the following Formula (I) and a tautomer thereof.
R
1
, R
3
and R
4
each independently represent a hydrogen atom, an alkyl group having 1 to 21 carbon atoms, an alkenyl group having 2 to 21 carbon atoms, an aryl group having 6 to 21 carbon atoms, an aralkyl group having 7 to 21 carbon atoms, or a substituent having a hetero atom; at least one of R
1
, R
3
and R
4
represents a substituent having a hetero atom; R
3
and R
4
may be formed into a heterocycle together with a jointly bonded nitrogen atom; and R
2
represents an alkyl group having 1 to 10 carbon atoms, a methoxymethyl group, or a trifluoromethyl group. The invention further provides a colorant-containing curable composition and a color filter which contain the pyridone azo compound of Formula (I) and/or a tautomer thereof as a colorant.
该发明提供了一种由以下式(I)表示的
吡啶酮偶氮化合物及其互变异构体。其中,R1、R3和R4分别独立表示氢原子、具有1至21个碳原子的烷基基团、具有2至21个碳原子的烯基基团、具有6至21个碳原子的芳基基团、具有7至21个碳原子的芳基烷基基团或具有杂原子的取代基;R1、R3和R4中至少一个表示具有杂原子的取代基;R3和R4可以与共价键合的氮原子一起形成杂环;R2表示具有1至10个碳原子的烷基基团、甲氧基甲基基团或三
氟甲基基团。该发明还提供了一种含色料的可固化组合物和一种含有式(I)中的
吡啶酮偶氮化合物和/或其互变异构体作为色料的彩色滤光片。