An aromatic amine derivative is represented by the following formula (1), in which R
1
to R
5
and R
7
to R
11
are each independently a hydrogen atom or a substituent. In the formula (1), R
6
and R
12
are each represented by the following formula (2) and L
1
to L
3
are each independently a single bond, a divalent residue of an aryl group, or the like. Ar
1
in the formula (2) is a monovalent substituent having a moiety represented by the following formula (3), in which X is an oxygen atom or a sulfur atom. Ar
2
in the formula (2) is a substituted or unsubstituted aryl group or the like.
一种芳香胺衍
生物由以下公式(1)表示,其中R1到R5和R7到R11分别独立地表示
氢原子或取代基。在公式(1)中,R6和R12分别由以下公式(2)表示,L1到L3分别独立地表示单键、芳基残基或类似物的二价残基。公式(2)中的Ar1是具有以下公式(3)所表示的基团的一价取代基,其中X是
氧原子或
硫原子。公式(2)中的Ar2是取代或未取代的芳基或类似物。