Organic electroluminescence device and novel compound
To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency. A compound represented by the following formula (3-I), wherein at least one of R 1 to R 7 and R 10 to R 11 is —N(R 36 )(R 37 ). R 31 to R 37 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms.
1. A compound represented by the following formula (I):
wherein in the formula (I),
one or more pairs of adjacent two or more of R 1 to R 4 and R 10 to R 13 may form a substituted or unsubstituted, saturated or unsaturated ring;
R 1 to R 4 , R 10 to R 13 and R 17 that do not form the substituted or unsubstituted, saturated or unsaturated ring are independently a hydrogen atom, a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 20 ring atoms;
two R 17 s may be the same or different; and
R A , R B , R C and R D are independently a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms.
2. A compound according to claim 1 , which is represented by the following formula (II):
wherein in the formula (II),
R 1 , R A , R B , R C and R D are as defined in the formula (I).
3. A compound according to claim 1 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group.
4. A compound according to claim 1 , wherein the two R 17 are independently a hydrogen atom.
5. A compound according to claim 1 , wherein a substituent in the “substituted or unsubstituted” is selected from the group consisting of an alkyl group including 1 to 20 carbon atoms, an aryl group including 6 to 20 ring carbon atoms, and a monovalent heterocylic group including 5 to 20 ring atoms.
6. A compound according to claim 1 , wherein a substituent in the “substituted or unsubstituted” is an alkyl group including 1 to 5 carbon atoms.
7. A compound according to claim 2 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group; and
the two R 17 are independently a hydrogen atom.
8. A compound according to claim 2 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group;
the two R 17 are independently a hydrogen atom; and
a substituent in the “substituted or unsubstituted” is selected from the group consisting of an alkyl group including 1 to 20 carbon atoms, an aryl group including 6 to 20 ring carbon atoms, and a monovalent heterocylic group including 5 to 20 ring atoms.
9. A compound according to claim 2 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group;
the two R 17 are independently a hydrogen atom; and
a substituent in the “substituted or unsubstituted” is an alkyl group including 1 to 5 carbon atoms.
10. An organic electroluminescence device comprising:
a cathode,
an anode, and
at least one organic layer disposed between the cathode and the anode, wherein
at least one layer of the at least one organic layer comprises a compound represented by the following formula (I):
wherein in the formula (I),
one or more pairs of adjacent two or more of R 1 to R 4 and R 10 to R 13 may form a substituted or unsubstituted, saturated or unsaturated ring;
R 1 to R 4 , R 10 to R 13 and R 17 that do not form the substituted or unsubstituted, saturated or unsaturated ring are independently a hydrogen atom, a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 20 ring atoms;
two R 17 s may be the same or different; and
R A , R B , R C and R D are independently a substituted or unsubstituted aryl group including 6 to 20 ring carbon atoms.
11. The organic electroluminescence device according to claim 10 , wherein the compound represented by the formula (I) is the compound represented by the following formula (II):
wherein in the formula (II),
R 17 , R A , R B , R C and R D are as defined in the formula (I).
12. The organic electroluminescence device according to claim 10 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group.
13. The organic electroluminescence device according to claim 10 , wherein the two R 17 are independently a hydrogen atom.
14. The organic electroluminescence device according to claim 10 , wherein a substituent in the “substituted or unsubstituted” is selected from the group consisting of an alkyl group including 1 to 20 carbon atoms, an aryl group including 6 to 20 ring carbon atoms, and a monovalent heterocyclic group including 5 to 20 ring atoms.
15. The organic electroluminescence device according to claim 10 , wherein a substituent in the “substituted or unsubstituted” is an alkyl group including 1 to 5 carbon atoms.
16. The organic electroluminescence device according to claim 11 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group; and
the two R 17 are independently a hydrogen atom.
17. The organic electroluminescence device according to claim 11 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group;
the two R 17 are independently a hydrogen atom; and
a substituent in the “substituted or unsubstituted” is selected from the group consisting of an alkyl group including 1 to 20 carbon atoms, an aryl group including 6 to 20 ring carbon atoms, and a monovalent heterocyclic group including 5 to 20 ring atoms.
18. The organic electroluminescence device according to claim 11 , wherein R A , R B , R C and R D are independently a substituted or unsubstituted phenyl group;
the two R 17 are independently a hydrogen atom; and
a substituent in the “substituted or unsubstituted” is an alkyl group including 1 to 5 carbon atoms.
19. The organic electroluminescence device according to claim 10 , wherein the at least one layer of the at least one organic layer is an emitting layer.
20. An electronic apparatus provided with the organic electroluminescence device according to claim 10 .