AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME

摘要

Disclosed is an aromatic amine derivative represented by formula (1). (In the formula, A1 represents an alkyl group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heterocyclic ring group, or an organic group represented by formula (2); X1, X2 and X3 independently represent a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic ring group, wherein X1 and X2 represent different linkage groups from each other; and B1, B2 and B3 independently represent a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic ring group.)