Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
An organic compound having a hole-transport property and a low refractive index is provided. An organic compound represented by General Formula (G1) shown below is provided. In General Formula (G1), Ar 1 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms in a ring, n represents an integer of 0 or 1, and Ar 2 represents an aryl group having 6 to 10 carbon atoms in a ring and includes at least one branched-chain or cyclic alkyl group having 3 to 12 carbon atoms. The total number of carbon atoms of the branched-chain or cyclic alkyl group in Ar 2 is more than or equal to 6. R 1 to R 4 each independently represent an alkyl group having 1 to 6 carbon atoms. R 11 to R 14 and R 21 to R 24 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. Any one of R 15 to R 18 and any one of R 25 to R 28 each represent a bond directly bonded to a nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
1. An organic compound represented by General Formula (G1):
wherein Ar 1 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms in a ring,
wherein n represents 1,
wherein Ar 2 represents an aryl group having 6 to 10 carbon atoms in the ring and substituted with two or more substituents, each of the substituents comprising at least one branched-chain or cyclic alkyl group having 3 to 12 carbon atoms,
wherein the total number of carbon atoms of the substituents in Ar 2 is more than or equal to 6,
wherein R 1 to R 4 each independently represent an alkyl group having 1 to 6 carbon atoms,
wherein R 11 to R 14 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein any one of R 15 to R 18 represents a bond directly bonded to the nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein R 21 to R 24 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and
wherein any one of R 25 to R 28 represents a bond directly bonded to the nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
2. An organic compound represented by General Formula (G2):
wherein R 1 to R 4 each independently represent an alkyl group having 1 to 6 carbon atoms,
wherein R 11 to R 14 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein any one of R 15 to R 18 represents a bond directly bonded to the nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein R 21 to R 24 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein any one of R 25 to R 28 represents a bond directly bonded to the nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein R 31 to R 35 each independently represent a hydrogen atom, a branched-chain alkyl group having 3 to 12 carbon atoms, or a cyclic alkyl group having 3 to 12 carbon atoms, and at least two of R 31 to R 35 each independently represent the branched-chain alkyl group having 3 to 12 carbon atoms or the cyclic alkyl group having 3 to 12 carbon atoms,
wherein the total number of carbon atoms in R 31 to R 35 is more than or equal to 6, and
wherein n represents an integer of 0 or 1.
3. An organic compound represented by General Formula (G3):
wherein R 1 to R 4 each independently represent an alkyl group having 1 to 6 carbon atoms,
wherein R 11 to R 14 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein any one of R 15 to R 18 represents a bond directly bonded to the nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein R 21 to R 24 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein any one of R 25 to R 28 represents a bond directly bonded to the nitrogen atom, and the others each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms,
wherein R 31 , R 32 , R 34 , and R 35 each represent a hydrogen atom, and
wherein R 33 represents a cyclic alkyl group having 3 to 12 carbon atoms and substituted with a branched-chain alkyl group having 3 to 12 carbon atoms.
4. The organic compound according to claim 1 ,
wherein R 11 to R 14 and R 21 to R 24 each represent a hydrogen atom,
wherein any one of R 15 to R 18 represents a bond directly bonded to the nitrogen atom, and the others each represent a hydrogen atom, and
wherein any one of R 25 to R 28 represents a bond directly bonded to the nitrogen atom, and the others each represent a hydrogen atom.
5. The organic compound according to claim 2 ,
wherein R 11 to R 14 and R 21 to R 24 each represent a hydrogen atom,
wherein any one of R 15 to R 18 represents a bond directly bonded to the nitrogen atom, and the others each represent a hydrogen atom, and
wherein any one of R 25 to R 28 represents a bond directly bonded to the nitrogen atom, and the others each represent a hydrogen atom.
6. The organic compound according to claim 2 , wherein the General Formula (G2) is represented by General Formula (G4):
7. The organic compound according to claim 2 ,
wherein at least two of R 31 to R 35 each represent a tert-butyl group or a cyclohexyl group.
8. The organic compound according to claim 2 ,
wherein R 31 , R 33 , and R 35 each represent a hydrogen atom, and
wherein R 32 and R 34 each represent a tert-butyl group or a cyclohexyl group.
9. The organic compound according to claim 2 , wherein the General Formula (G2) is represented by Structural Formula (100) or (101):
10. A light-emitting device comprising the organic compound according to claim 1 .
11. An electronic device comprising:
the light-emitting device according to claim 10 ; and
at least one of a sensor unit, an input unit, and a communication unit.
12. A light-emitting apparatus comprising:
the light-emitting device according to claim 10 ; and
at least one of a transistor and a substrate.
13. A lighting device comprising:
the light-emitting device according to claim 10 ; and
a housing.
14. The organic compound according to claim 3 ,
wherein R 11 to R 14 and R 21 to R 24 each represent a hydrogen atom,
wherein any one of R 15 to R 18 represents a bond directly bonded to the nitrogen atom, and the others each represent a hydrogen atom, and
wherein any one of R 25 to R 28 represents a bond directly bonded to the nitrogen atom, and the others each represent a hydrogen atom.
15. The organic compound according to claim 3 , wherein the General Formula (G3) is represented by General Formula (G4):
16. A light-emitting device comprising the organic compound according to claim 2 .
17. A light-emitting device comprising the organic compound according to claim 3 .