Furan-containing hole transporting materials
View Patent ↗A furan-containing compound of formula (I): Ar is aryl, heteroaryl, or oligoaryl; A is furyl; B is aryl or heteroaryl; R 1 is hydrogen, alkenyl, alkynyl, aryl, heteroaryl, cyclyl, heterocyclyl, or oligoaryl; and R 2 is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, cyclyl, or heterocyclyl. The compound is useful as a hole transporting material in an organic light emitting diode device.
1. A compound of formula (I):
wherein
Ar is aryl, heteroaryl, or oligoaryl;
A is furyl;
B is aryl or heteroaryl;
R 1 is alkenyl, alkynyl, aryl, heteroaryl, cyclyl, heterocyclyl, or oligoaryl; and
R 2 is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, cyclyl, or heterocyclyl.
2. The compound of claim 1 , wherein A is furyl substituted at positions 2 and 5.
3. The compound of claim 1 , wherein B is aryl.
4. The compound of claim 3 , wherein B is phenyl.
5. The compound of claim 4 , wherein R 2 is hydrogen.
6. The compound of claim 1 , wherein Ar is aryl.
7. The compound of claim 6 , wherein Ar is phenyl.
8. The compound of claim 7 , wherein A is furyl substituted at positions 2 and 5.
9. The compound of claim 8 , wherein B is aryl.
10. The compound of claim 9 , wherein B is phenyl.
11. The compound of claim 10 , wherein R 2 is hydrogen.
12. The compound of claim 11 , wherein R 1 is phenyl, and substituted at position 3 of furyl.
13. The compound of claim 1 , wherein Ar is oligoaryl.
14. The compound of claim 13 , wherein Ar is biphenyl.
15. The compound of claim 14 , wherein A is furyl substituted at positions 2 and 5.
16. The compound of claim 15 , wherein B is aryl.
17. The compound of claim 16 , wherein B is phenyl.
18. The compound of claim 17 , wherein R 2 is hydrogen.
19. The compound of claim 18 , wherein R 1 is phenyl, and substituted at position 3 of furyl.
20. An electro-luminescence device, comprising:
an anode layer,
a hole transporting layer,
an electron transporting layer, and
a cathode layer,
wherein the anode layer, the hole transporting layer, the electron transporting layer, and the cathode layer are disposed in the above order; and the hole transporting layer includes a compound of formula (I):
in which
Ar is aryl, heteroaryl, or oligoaryl;
A is furyl;
B is aryl or heteroaryl;
R 1 is alkenyl, alkynyl, aryl, heteroaryl, cyclyl, heterocyclyl, or oligoaryl; and
R 2 is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, cyclyl, or heterocyclyl.
21. The device of claim 20 , wherein A is furyl substituted at positions 2 and 5.
22. The device of claim 20 , wherein B is aryl.
23. The device of claim 22 , wherein B is phenyl.
24. The device of claim 23 , wherein R 2 is hydrogen.
25. The device of claim 20 , wherein Ar is aryl.
26. The device of claim 25 , wherein Ar is phenyl.
27. The device of claim 26 , wherein A is furyl substituted at positions 2 and 5.
28. The device of claim 27 , wherein B is aryl.
29. The device of claim 28 , wherein B is phenyl.
30. The device of claim 29 , wherein R 2 is hydrogen.
31. The device of claim 30 , wherein R 1 is phenyl, and substituted at position 3 of furyl.
32. The device of claim 20 , wherein Ar is oligoaryl.
33. The device of claim 32 , wherein Ar is biphenyl.
34. The device of claim 33 , wherein A is furyl substituted at positions 2 and 5.
35. The device of claim 34 , wherein B is aryl.
36. The device of claim 35 , wherein B is phenyl.
37. The device of claim 36 , wherein R 2 is hydrogen.
38. The device of claim 37 , wherein R 1 is phenyl, and substituted at position 3 of furyl.