Novel compound

Patent metadata

Field	Value
Publication number	US-2019023648-A1
Application number	US-201816141909-A
Country	US
Kind code	A1
Filing date	Sep 25, 2018
Priority date	Sep 19, 2014
Publication date	Jan 24, 2019
Grant date	—

Abstract

A compound is represented by the following formula (1). In the formula (1), Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, R a are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, R b1 to R b4 are independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, R c1 to R c10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, * is a bonding position at which one of R c1 to R c10 is bonded to either nitrogen atom, x is an integer from 0 to 3, y is an integer from 0 to 4, and z are independently an integer from 0 to 5.

First claim

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

wherein Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms,
R a are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms,
R b1 to R b4 are independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group including 1 to 45 carbon atoms, a substituted or unsubstituted arylsilyl group including 6 to 50 carbon atoms, a substituted or unsubstituted alkoxy group including 1 to 15 carbon atoms, a substituted or unsubstituted aryloxy group including 6 to 30 ring carbon atoms, a substituted or unsubstituted alkylthio group including 1 to 15 carbon atoms, a substituted or unsubstituted arylthio group including 6 to 30 ring carbon atoms, a substituted or unsubstituted arylamino group including 6 to 30 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group including 3 to 30 ring atoms,
R c1 to R c10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms,
a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms,
a substituted or unsubstituted alkylsilyl group including 1 to 45 carbon atoms,
a substituted or unsubstituted arylsilyl group including 6 to 50 carbon atoms,
a substituted or unsubstituted alkoxy group including 1 to 15 carbon atoms,
a substituted or unsubstituted aryloxy group including 6 to 30 ring carbon atoms,
a substituted or unsubstituted alkylthio group including 1 to 15 carbon atoms,
a substituted or unsubstituted arylthio group including 6 to 30 ring carbon atoms,
a substituted or unsubstituted arylamino group including 6 to 30 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms,
a substituted or unsubstituted heteroaryl group including 3 to 30 ring atoms, or
a single bond that is bonded to either nitrogen atom,
is a bonding position at which any of R c1 to R c10 is bonded to either nitrogen atom,
x is an integer from 0 to 3,
y is an integer from 0 to 4,
z are independently an integer from 0 to 5,
a plurality of R b1 are either identical or different when x is an integer equal to or larger than 2, a plurality of R b2 are either identical or different when y is an integer equal to or larger than 2, and a plurality of R b3 or R b4 are either identical or different when z is an integer equal to or larger than 2.

2 .- 10 . (canceled)

11 . The compound according to claim 1 , wherein the benzene ring-containing group to which R b1 is bonded has a structure in which R b1 and Ar are not bonded at the para position with respect to the bonding position at which the N atom is bonded, and the benzene ring-containing group to which R b2 is bonded has a structure in which R b2 is not bonded at the para position with respect to the bonding position at which the N atom is bonded.

12 . The compound according to claim 1 , wherein the benzene ring-containing group to which R b1 is bonded is represented by a formula (10), and the benzene ring-containing group to which R b2 is bonded is represented by a formula (11),

wherein Ar, R a , R b1 , R b2 , and x are the same as defined for the formula (1).

13 . The compound according to claim 1 , wherein the benzene ring-containing group to which R b3 is bonded is represented by a formula (12), and the benzene ring-containing group to which R b4 is bonded is represented by a formula (13),

wherein R b3 and R b4 are the same as defined for the formula (1),
R b3′ and R b4′ are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, and
z1 are independently an integer from 0 to 4.

14 . The compound according to claim 1 , wherein R b1 to R b4 are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group including 1 to 45 carbon atoms, a substituted or unsubstituted arylsilyl group including 6 to 50 carbon atoms, a substituted or unsubstituted alkoxy group including 1 to 15 carbon atoms, a substituted or unsubstituted aryloxy group including 6 to 30 ring carbon atoms, a substituted or unsubstituted alkylthio group including 1 to 15 carbon atoms, a substituted or unsubstituted arylthio group including 6 to 30 ring carbon atoms, a substituted or unsubstituted arylamino group including 6 to 30 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group including 3 to 30 ring atoms.

15 . The compound according to claim 1 , wherein R b1 to R b4 are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, a substituted or unsubstituted alkylsilyl group including 1 to 45 carbon atoms, a substituted or unsubstituted arylsilyl group including 6 to 50 carbon atoms, or a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms.

16 . The compound according to claim 1 , wherein R a are independently a substituted or unsubstituted alkyl group including 1 to 6 carbon atoms.

17 .- 19 . (canceled)

20 . An organic electroluminescence device comprising a cathode, an anode, and one or more organic thin film layers that are provided between the cathode and the anode, the one or more organic thin film layers comprising at least an emitting layer, and at least one organic thin film layer included in the one or more organic thin film layers comprising the compound according to claim 1 either alone or as a component of a mixture.

21 . The organic electroluminescence device according to claim 20 , wherein the at least one organic thin film layer is the emitting layer.

22 . The organic electroluminescence device according to claim 20 , wherein the compound is a dopant material.

23 . The organic electroluminescence device according to claim 20 , wherein the at least one organic thin film layer comprises a compound represented by a formula (1) and a compound represented by a formula (5),

wherein Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms,
R a are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms,
R b1 to R b4 are independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, a substituted

Assignees

• Idemitsu Kosan Co

Inventors

• Ito Hirokatsu
• Kawamura Masahiro
• Mizuki Yumiko
• Haketa Tasuku
• HAYAMA Tomoharu
• Takahashi Ryota

Classifications

• C07C255/58

  containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton · CPC title

• C09K2211/1011

  Condensed systems · CPC title

• H05B33/14

  characterised by the chemical or physical composition or the arrangement of the electroluminescent material {, or by the simultaneous addition of the electroluminescent material in or onto the light source} · CPC title

• C07C2601/14

  The ring being saturated · CPC title

• C07C2601/08

  the ring being saturated · CPC title