Compound, composition, organic electroluminescence element, and electronic device

Patent metadata

Field	Value
Publication number	US-10538514-B2
Application number	US-201615549212-A
Country	US
Kind code	B2
Filing date	Feb 12, 2016
Priority date	Feb 13, 2015
Publication date	Jan 21, 2020
Grant date	Jan 21, 2020

Abstract

A compound has a first structure represented by a formula (1), a second structure represented by a formula (2), a third structure represented by a formula (3), and a fourth structure represented by a formula (4), the first structure, the second structure, the third structure and the fourth structure being mutually independently present in a molecule,

First claim

The invention claimed is:

1. A compound comprising:
a first structure represented by a formula (1);
a second structure represented by a formula (2);
a third structure represented by a formula (3); and
a fourth structure represented by a formula (4),
the first structure, the second structure, the third structure and the fourth structure being mutually independently present in a molecule, wherein
the first structure is bonded to the second structure,
the first structure is bonded to the third structure, and
the first structure is bonded to the fourth structure,

wherein in the formula (1):
X 11 to X 16 are each independently a carbon atom bonded to R 1 , a nitrogen atom, or a carbon atom bonded to an atom contained in at least one of the second structure, the third structure and the fourth structure in a molecule;
at least one of X 11 to X 16 is a nitrogen atom;
R 1 is a hydrogen atom or a substituent;
a plurality of R 1 are optionally mutually the same or different; and
the plurality of R 1 are not bonded to each other,

wherein in the formula (2):
X 1 is a carbon atom bonded to R 2 , or a carbon atom bonded to X 2 ;
X 2 is a carbon atom bonded to R 3 , or a carbon atom bonded to X 1 ;
X 3 is an oxygen atom, a sulfur atom, a nitrogen atom, or a carbon atom bonded to R a and R b ;
R a and R b are each independently a hydrogen atom or a substituent;
the nitrogen atom in X 3 is bonded to R 4 , bonded to L, or bonded to an atom contained in at least one of the first structure, the third structure and the fourth structure in a molecule;
X 4 is a carbon atom bonded to R 5 , or a carbon atom bonded to X 5 ;
X 5 is a carbon atom bonded to R 6 , or a carbon atom bonded to X 4 ;
at least one of a combination of X 1 and X 2 and a combination of X 4 and X 5 is a combination of mutually bonded carbon atoms;
L is a single bond or a substituted or unsubstituted aromatic hydrocarbon group;
L is bonded to one of Y 1 to Y 8 , bonded to X 3 , bonded to R 5 or R 6 , bonded to an atom contained in at least one of the first structure, the third structure and the fourth structure, or bonded to a substituent;
L as a substituted or unsubstituted aromatic hydrocarbon group is optionally bonded to Y 9 or Y 16 to form a cyclic structure;
Y 1 to Y 8 are each independently a carbon atom bonded to R 7 , a carbon atom bonded to L, a carbon atom bonded to one of Y 9 to Y 16 , or a carbon atom bonded to an atom contained in at least one of the first structure, the third structure and the fourth structure in a molecule;
Y 9 to Y 16 are each independently a carbon atom bonded to R 8 , a carbon atom bonded to one of Y 1 to Y 8 , or a carbon atom bonded to an atom contained in at least one of the first structure, the third structure and the fourth structure in a molecule;
Y 9 or Y 16 are optionally bonded to L as a substituted or unsubstituted aromatic hydrocarbon group to form a cyclic structure;
when L is bonded to one of Y 1 to Y 8 , Y 9 and Y 16 are not bonded to Y 1 to Y 8 ;
R 2 to R 8 are each independently a hydrogen atom or a substituent;
a plurality of R 7 are optionally mutually the same or different;
a plurality of R 8 are optionally mutually the same or different;
m represents the number of the second structure in a molecule and is an integer of 1 or more; and
p is an integer of 1 to 3,

wherein in the formula (3):
X 6 is a carbon atom bonded to R 9 , or a carbon atom bonded to X 7 ;
X 7 is a carbon atom bonded to R 10 , or a carbon atom bonded to X 6 ;
R 9 and R 10 are each independently a hydrogen atom or a substituent;
X 8 is a nitrogen atom bonded to a substituted or unsubstituted aromatic hydrocarbon group, or a nitrogen atom bonded to an atom contained in at least one of the first structure, the second structure and the fourth structure in a molecule;
Z 1 to Z 4 are each independently a carbon atom bonded to R 11 , a carbon atom bonded to an atom contained in at least one of the first structure, the second structure and the fourth structure in a molecule, or a carbon atom bonded at a position represented by *1 or *2;
Z 5 to Z 8 are each independently a carbon atom bonded to R 12 , a carbon atom bonded to one of Z 9 to Z 14 , a carbon atom bonded to an atom contained in at least one of the first structure, the second structure and the fourth structure in a molecule, or a carbon atom bonded at a position represented by *1 or *2;
R 11 and R 12 are each independently a hydrogen atom or a substituent;
a plurality of R 11 are optionally mutually the same or different;
the plurality of R 11 are optionally bonded to each other to form a cyclic structure;
a plurality of R 12 are optionally mutually the same or different;
the plurality of R 12 are optionally bonded to each other to form a cyclic structure;
Z 9 to Z 14 are each independently a carbon atom bonded to R 13 , a carbon atom bonded to one of Z 5 to Z 8 , a carbon atom bonded to an atom contained in at least one of the first structure, the second structure and the fourth structure in a molecule; or a carbon atom bonded at a position represented by *1 or *2;
R 13 is a hydrogen atom or a substituent;
a plurality of R 13 are optionally mutually the same or different;
the plurality of R 13 are optionally bonded to each other to form a cyclic structure;
q is 0 or an integer of 1 to 4;

X 9 is an oxygen atom, a sulfur atom, a nitrogen atom, or a carbon atom bonded to R 14 and R 15 ;
R 14 and R 15 are each independently a hydrogen atom or a substituent;
the nitrogen atom in X 9 is bonded to R 16 , or bonded to an atom contained in at least one of the first structure, the second structure and the fourth structure in a molecule;
R 16 is a hydrogen atom or a substituent;
Z 15 to Z 18 are each independently a carbon atom bonded to R 17 , or a carbon atom bonded to an atom contained in at least one of the first structure, the second structure and the fourth structure in a molecule;
R 17 is a hydrogen atom or a substituent;
a plurality of R 17 are optionally mutually the same or different;
the plurality of R 17 are optionally bonded to each other to form a cyclic structure;
*1 and *2 each independently represent a bonding position to a carbon atom in Z 1 to Z 14 , or a bonding position to a substituted or unsubstituted aromatic hydrocarbon group bonded to the nitrogen atom in X 8 ; and
n represents the number of the third structure in a molecule and is an integer of 1 or more,

wherein in the formula (4):
R 18 is a hydrogen atom or a substituent;
a plurality of R 18 are optionally mutually the same or different;
the plurality of R 18 are optionally bonded to each other to form a cyclic structure;
Ar is a substituted or unsubstituted aromatic hydrocarbon group;
R 19 is a substituent;
s is an integer of 1 to 5;
a plurality of R 19 are optionally mutually the same or different;
the plurality of R 19 are not bonded to each other;
u is 3 or 4;
t is 0 or 1;
r is 0 or 1;
t+r is 1 or 2;
when r=0, t=1, u=4 and R 18 in place of the ring B is bonded to the ring A;
when t=0, r=1, u=4 and R 18 in place of Ar is bonded to the ring A; and
*3 is a bonding position bonded to an atom contained in at least one of the first structure, the second structure and the third structure.

2. The compound according to claim 1 , wherein the fourth structure is represented by a formula (41), wherein u is 3,

3. The compound according to claim 1 , wherein the fourth structure is represented by a formula (42), wherein u is 4,

Assignees

• Idemitsu Kosan Co

Inventors

• Yamaki Taro
• Ikeda Kiyoshi
• Kashiwamura Takashi
• Kawakami Hironori

Classifications

• C09K11/06

  containing organic luminescent materials · CPC title

• C09K2211/1007

  Non-condensed systems · CPC title

• C09K2211/185

  of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd · CPC title

• C07D403/14 Primary

  containing three or more hetero rings · CPC title

• C09K2211/1029

  containing one nitrogen atom as the heteroatom · CPC title