| abstract |
A novel nitrogen-containing aromatic heterocyclic compound and an organic electronic device using the compound are provided. An organic electroluminescent device having a plurality of organic layers between an anode and a cathode laminated on a substrate, wherein at least one of the organic layers is a nitrogen-containing aromatic represented by the following formula (1) It is an organic electroluminescent element containing a compound. In the formula, L represents an n + m-valent group derived from alkane, cycloalkane, aromatic hydrocarbon, aromatic heterocyclic compound, triarylamine, or diarylsulfone, and A represents an alkyl group, cycloalkyl group, alkenyl group. , An alkynyl group, a silyl group, an acyl group, an aromatic hydrocarbon group or an aromatic heterocyclic group, X represents C (R) 2 , oxygen, S or Se, R represents H, an alkyl group, a cycloalkyl group , An alkenyl group, an alkynyl group, an aromatic hydrocarbon group or an aromatic heterocyclic group, m represents an integer of 1 to 4, and n represents an integer of 0 to 3. The total number of m and n is 2-4. |