Compound, material for organic electroluminescence element, organic electroluminescence element, and electronic apparatus

Patent metadata

Field	Value
Publication number	US-9748494-B2
Application number	US-201414902248-A
Country	US
Kind code	B2
Filing date	Jul 1, 2014
Priority date	Jul 1, 2013
Publication date	Aug 29, 2017
Grant date	Aug 29, 2017

Abstract

A compound is represented by a formula (1) below.
In the formula (1), n is 1 or 2. Ar 1 is represented by a formula (2) below. Ar 2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted heterocyclic group having 1 to 20 ring atoms. Ar 3 is represented by a formula (3) below.

First claim

The invention claimed is:

1. A compound represented by a formula (1) below,

where:
n in the formula (1) is 1 or 2;
Ar 1 in the formula (1) is represented by a formula (2) below,

where: Ar 11 , Ar 12 and Ar 13 each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; one of L 11 and L 12 represents a single bond for bonding Ar 11 and Ar 12 , and the other one thereof represents a linking group represented by formula (2a); and one of L 13 and L 14 represents a single bond for bonding Ar 12 and Ar 13 , and the other one thereof represents a linking group represented by formula (2a),

where R 11 to R 12 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms;
L 3 in the formula (1) represents a single bond and L 2 in the formula (1) represents a single bond or a linking group, the linking group being a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms, a multiple linking group formed by bonding two groups selected from the group consisting of the aromatic hydrocarbon group, a multiple linking group formed by bonding three groups selected from the group consisting of the aromatic hydrocarbon group, a multiple linking group formed by bonding two groups selected from the group consisting of the heterocyclic group, a multiple linking group formed by bonding three groups selected from the group consisting of the heterocyclic group, a multiple linking group formed by bonding two groups selected from the group consisting of the aromatic hydrocarbon group and the heterocyclic group, or a multiple linking group formed by bonding three groups selected from the group consisting of the aromatic hydrocarbon group and the heterocyclic group;
the aromatic hydrocarbon group or groups and the heterocyclic group or groups in the multiple linking group are mutually the same or different, and adjacent ones of the groups in the multiple linking group are optionally bonded to each other to form a ring or not bonded;
Ar 2 in the formula (1) represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms; and
Ar 3 in the formula (1) is represented by a formula (3) below,

where: X 3 represents an oxygen atom; m is 5; R 3 represents a substituent bonded to a carbon atom of a ring in a structure represented by the formula (3), R 3 each independently representing a hydrogen atom, a halogen atom, a hydroxyl group, a cyano group, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group having 6 to 60 ring carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 30 ring carbon atoms, a substituted or unsubstituted alkylamino group having 2 to 30 carbon atoms, a substituted or unsubstituted arylamino group having 6 to 60 ring carbon atoms, a substituted or unsubstituted alkylthio group having 1 to 30 carbon atoms, a substituted or unsubstituted arylthio group having 6 to 30 ring carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms, adjacent ones of R 3 optionally forming a ring or not; and a bond from the structure represented by the formula (3) is bonded to L 3 in the formula (1).

2. The compound according to claim 1 , wherein
Ar 1 in the formula (1) comprises a skeleton represented by any one selected from the group consisting of formulae (1-1) to (1-22) below,

where: X 11 and X 12 each independently represent a linking group represented by the formula (2a); and n of carbon atoms of the skeleton represented by any one selected from the group consisting of the formulae (1-1) to (1-22) is/are bonded to a nitrogen atom in the formula (1).

3. The compound according to claim 1 , wherein
n in the formula (1) is 2, and
Ar 1 in the formula (1) comprises a skeleton represented by any one selected from the group consisting of formulae (1-31) to (1-34) below,

where: X 11 and X 12 each independently represent a linking group represented by the formula (2a); and each * represents a position at which the skeleton is bonded to a nitrogen atom in the formula (1).

4. The compound according to claim 3 , wherein
Ar 1 comprises a skeleton represented by the formula (1-31).

5. The compound according to claim 1 , wherein
Ar 3 is represented by a formula (4) below,

where: X 4 represents an oxygen atom; s is 7; R 4 represents a substituent bonded to a carbon atom of a ring in a structure represented by the formula (4), R 4 each independently representing the same as R 3 in the formula (3), adjacent ones of R 4 optionally forming a ring or not; and a bond from the structure represented by the formula (4) is bonded to L 3 in the formula (1).

6. The compound according to claim 5 , wherein
Ar 3 is represented by a formula (4-1) below,

where: X 4 , s and R 4 represent the same as X 4 , s and R 4 in the formula (4), respectively; and a bond from a structure represented by the formula (4-1) is bonded to L 3 in the formula (1).

7. The compound according to claim 5 , wherein
Ar 3 is represented by a formula (4-2) below,

where: X 4 represents the same as X 4 in the formula (4); and R 41 represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon group having 1 to 30 carbon atoms; and a bond from a structure represented by the formula (4-2) is bonded to L 3 in the formula (1).

8. The compound according to claim 1 , wherein
R 11 to R 12 in the formula (2a) each independently represent a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms,
R 3 in the formula (3) each independently represent a hydrogen atom, a halogen a

Assignees

• Idemitsu Kosan Co

Inventors

• Ito Hirokatsu
• Nagao Tomohiro

Classifications

• C07C211/61 Primary

  with at least one of the condensed ring systems formed by three or more rings · CPC title

• H01L51/5012

  Electricity · mapped topic

• C09K11/06

  containing organic luminescent materials · CPC title

• C07C2103/68

  Chemistry & Metallurgy · mapped topic

• C09K2211/1014

  bridged by heteroatoms, e.g. N, P, Si or B · CPC title