Fluorene-based derivative and organic electroluminescence device employing the same

A compound expressed by any one of the following formulae:

• wherein m is 2 or more;
• FL represents a group represented by any of the following Formulas (2) to (5) and (11) to (12) or a group comprising the combination of these groups,
• in Formulae (2) to (5) and (11) to (12), L represents a single bond, —(CR′R″)c—, —(SiR′R″)c—, —O—, —CO— or —NR′— wherein R′ and R″ each independently represents a hydrogen atom, a substituted or unsubstituted aromatic group having 6 to 50 nuclear carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms;
• c is an integer of 1 to 10;
• and R′ and R″ may be the same with or different from each other;
• Z is a carbon atom, a silicon atom or a germanium atom;
• Q is a cyclic structure-forming group, and a cyclic structure formed by Z-Q may further be condensed with a substituted or unsubstituted cycloalkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aromatic group having 6 to 50 nuclear carbon atoms or a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms;
• R1 to R6 each independently represents a substituted or unsubstituted aromatic group having 6 to 50 nuclear carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 50 carbon atoms, a substituted or unsubstituted aryloxy group having 5 to 50 nuclear atoms, a substituted or unsubstituted arylthio group having 5 to 50 nuclear atoms, a substituted or unsubstituted alkoxycarbonyl group having 2 to 50 carbon atoms, a carboxyl group, a halogen atom, a cyano group, a nitro group or a hydroxyl group;
• when plural R1 to R6 are present, they may be the same with or different from each other, and adjacent groups out of R1 to R6 may bond each other to form a ring structure;
• and a and b each are an integer of 0 to 4;
• G is a structure represented by the following Formula (9);
• Ar represents a substituted or unsubstituted aromatic group having 6 to 50 nuclear carbon atoms or a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms;
• —Ar4-FA1 (9)
• wherein Ar4 is a substituted or unsubstituted aromatic group having 6 to 50 nuclear carbon atoms or a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms, and FA1 is a substituted or unsubstituted condensed aromatic group having 8 to 50 nuclear carbon atoms or a substituted or unsubstituted condensed aromatic heterocyclic group having 8 to 50 nuclear atoms;
• with the proviso that the compound expressed by the following Formula (1) does not comprise a skeleton of anthracene.