Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
A novel heterocyclic compound that can be used as a host material in which a light-emitting substance is dispersed. A light-emitting element having a long lifetime. A heterocyclic compound in which a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group is bonded to a substituted or unsubstituted arylene group having 6 to 25 carbon atoms which is bonded to any one of the 8-11 positions of a substituted or unsubstituted benzo[b]naphtho[1,2-d]furan skeleton.
1. A compound represented by formula (G1):
wherein:
one of R 7 to R 10 represents a substituent represented by formula (G1-1);
R 1 to R 6 and the others of R 7 to R 10 separately represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms;
A represents a dibenzo[f,h]quinoxalinyl group; and
Ar represents an arylene group having 6 to 25 carbon atoms.
2. The compound according to claim 1 , wherein the aryl group, the dibenzo[f,h]quinoxalinyl group, and the arylene group are separately unsubstituted or substituted by any one of an alkyl group having 1 to 6carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms.
3. A light-emitting element comprising, between a pair of electrodes, a layer containing the compound according to claim 1 .
4. A compound represented by formula (G2):
wherein:
R 1 to R 9 separately represent any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms;
A represents a dibenzo[f,h]quinoxalinyl group; and
Ar represents an arylene group having 6 to 25 carbon atoms.
5. The compound according to claim 4 ,
wherein the aryl group, the dibenzo[f,h]quinoxalinyl group, and the arylene group are separately unsubstituted or substituted by any one of an alkyl group having 1 to 6carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms.
6. A light-emitting element comprising, between a pair of electrodes, a layer containing the compound according to claim 4 .
7. A light-emitting element comprising, between a pair of electrodes, a layer containing a light-emitting substance and the compound according to claim 4 .
8. A light-emitting device comprising the light-emitting element according to claim 6 in a light-emitting portion.
9. An electronic device comprising the light-emitting device according to claim 8 in a display portion.
10. A lighting device comprising the light-emitting device according to claim 8 in a light-emitting portion.
11. A compound represented by formula (G3):
wherein:
R 1 to R 9 and R 11 to R 19 separately represent any one of hydrogen, an alkyl group having 1to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms; and
Ar represents an arylene group having 6 to 25 carbon atoms.
12. The compound according to claim 11 ,
wherein the aryl group and the arylene group are separately unsubstituted or substituted by any one of an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3to 6 carbon atoms, and an aryl group having 6 to 13 carbon atoms.
13. The compound according to claim 11 ,
wherein Ar is represented by any one of formulae (1-1) to (1-18),
14. The compound according to claim 11 ,
wherein R 1 to R 9 and R 11 to R 19 are separately represented by any one of formulae (2-1) to (2-23),
15. The compound according to claim 11 , wherein the compound is represented by formula (101),
16. A light-emitting element comprising, between a pair of electrodes, a layer containing the compound according to claim 11 .
17. A light-emitting element comprising, between a pair of electrodes, a layer containing a light-emitting substance and the compound according to claim 11 .
18. A light-emitting device comprising the light-emitting element according to claim 16 in a light-emitting portion.
19. An electronic device comprising the light-emitting device according to claim 18 in a display portion.
20. A lighting device comprising the light-emitting device according to claim 18 in a light-emitting portion.