Patent ID: 8741450

Claim:
A material for organic electroluminescence devices which comprises a compound represented by formula (1) or (2): (Cz-) n A (1) Cz(-A) m (2) wherein Cz represents a substituted or unsubstituted arylcarbazolyl group or a substituted or unsubstituted carbazolylalkylene group; A represents a group represented by formula (A): (M) p -(L) q -(M′) r (A) wherein M and M′ may be the same or different and each independently represent a substituted or unsubstituted pyrimidine ring, L represents a single bond, an unsubstituted aryl group having 6 to 30 carbon atoms, an unsubstituted arylene group having 6 to 30 carbon atoms, a substituted or unsubstituted cycloalkylene group having 5 to 30 carbon atoms, or a substituted or unsubstituted heteroaromatic ring having 2 to 30 carbon atoms, p represents an integer of 0 to 2, q represents an integer of 1 or 2, r represents an integer of 0 to 2, and p+r represents an integer of 1 or greater; n represents 1 or 3 and m represents an integer of 1 to 3; and the substituent for Cz is at least one group selected from the group consisting of a halogen atom, a carbazole group, a hydroxyl group, a substituted amino group, an unsubstituted amino group, a nitro group, a cyano group, a silyl group, a trifluoromethyl group, a carbonyl group, a carboxyl group, a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, a substituted aromatic group, an unsubstituted aromatic group, a substituted aralkyl group, an unsubstituted aralkyl group, a substituted aryloxy group, an unsubstituted aryloxy group, a substituted alkyloxyl group, and an unsubstituted alkyloxyl group, and the substituent for M and M′ is at least one group selected from the group consisting of a halogen atom, a carbazole group, a hydroxyl group, a substituted amino group, an unsubstituted amino group, a cyano group, a silyl group, a trifluoromethyl group, a carbonyl group, a carboxyl group, a substituted alkyl group, an unsubstituted alkyl group, a substituted alkenyl group, an unsubstituted alkenyl group, an unsubstituted aromatic group, a substituted aromatic heterocyclic group, a substituted aralkyl group, an unsubstituted aralkyl group, a substituted aryloxy group, and an unsubstituted aryloxy group.