A triphenylamine derivative is represented by General Formula (1).
In General Formula (1), OR
1
represents an alkoxy group having 2 to 8 carbon atoms. R
2
to R
6
each independently represent a hydrogen atom or an alkyl group having 1 to 8 carbon atoms. Ar
1
and Ar
2
each independently represent a hydrogen atom, an aryl group having 6 to 20 carbon atoms and optionally substituted with an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 20 carbon atoms and optionally substituted with an alkoxy group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, or a 3- to 10-membered heterocyclic group. Note that the case where Ar
1
and Ar
2
are both a hydrogen atom is excluded.
三苯胺衍
生物由通式(1)表示。在通式(1)中,OR1代表具有2至8个碳原子的烷氧基。R2至R6各自独立地代表氢原子或具有1至8个碳原子的烷基。Ar1和Ar2各自独立地代表氢原子,具有6至20个碳原子的芳基基团,可选地被具有1至6个碳原子的烷基基团取代,具有6至20个碳原子的芳基基团,可选地被具有1至6个碳原子的烷氧基团取代,具有3至10个碳原子的环烷基团,或具有3至10个成员的杂环基团。请注意,Ar1和Ar2都是氢原子的情况被排除在外。