Patent ID: 7326475

Claim:
A pyrrole derivative for an organic electroluminescent element represented by one of Formulae (7) to (11): wherein: R 16 , R 19 , R 22 and R 25 each represent an alkyl group which may have a substituent, a cycloalkyl group which may have a substituent, an aryl group which may have a substituent or a heterocyclic group which may have a substituent; R 17 , R 18 , R 20 , R 21 , R 23 , R 24 , R 26 , and R 27 each represent a substituent; n4 represents an integer of 0 to 4; and n5 through n11 each represent an integer of 0 to 3; and wherein: R 28 , and R 29 each represent a hydrogen atom or a substituent; Z 9 and Z 12 each represent a group of atoms necessary to form a 5-to 7-member fused ring; Z 10 and Z 11 each represent a group of atoms necessary to form a nitrogen-containing 5-to 7-membered heterocycle; L represents a linking group of divalent through tetravalent; and m and n each represent an integer of 1 or 2.