An aromatic amine derivative represented by the following formula (1):
wherein A1 is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heterocyclic group or an organic group represented by the following formula (2):
wherein X1, X2 and X3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group;
X1 and X2 are linkage groups which are different from each other; and
B1, B2 and B3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group.
以下是由以下式(1)表示的芳香胺衍
生物:
其中A1是取代或未取代的烷基,取代或未取代的芳香基,取代或未取代的杂环基或由以下式(2)表示的有机基:
其中X1、X2和X3分别是取代或未取代的芳香基或取代或未取代的杂环基;
X1和X2是彼此不同的连接基;以及
B1、B2和B3分别是取代或未取代的芳香基或取代或未取代的杂环基。