Patent ID: 7993760

Claim:
A compound for use in an organic electroluminescent device represented by the following general formula (1): Z Y) n (1) wherein, Z is a linking group consisting of a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, Y is a group represented by the following general formula (1a), and n is an integer of 2 or greater; wherein, ring A is an aromatic or heterocyclic ring condensed with the adjacent rings and represented by formula (1b), ring B is a heterocyclic ring condensed with the adjacent rings and represented by formula (1c), X is carbon or nitrogen, R 43 is hydrogen, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a ring condensed with the X-containing ring, R 44 is a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, and each of R 41 and R 42 is hydrogen, an alkyl group, an aralkyl group, an alkenyl group, an alkynyl group, a cyano group, a dialkylamino group, a diarylamino group, a diaralkylamino group, an amino group, a nitro group, an acyl group, an alkoxycarbonyl group, a carboxyl group, an alkoxyl group, an alkylsulfonyl group, a haloalkyl group, a hydroxyl group, an amide group, a substituted or unsubstituted aromatic hydrocarbon group, or a substituted or unsubstituted aromatic heterocyclic group.