| US 7,585,574 B2 | ||
| Pyrene derivative and organic electroluminescence device making use of the same | ||
| Mitsunori Ito, Chiba (Japan); and Mineyuki Kubota, Chiba (Japan) | ||
| Assigned to Idemitsu Kosan Co., Ltd., Tokyo (Japan) | ||
| Filed on Oct. 29, 2007, as Appl. No. 11/926,813. | ||
| Application 11/926813 is a continuation of application No. PCT/JP2006/310194, filed on May 23, 2006. | ||
| Claims priority of application No. 2005-197765 (JP), filed on Jul. 06, 2005. | ||
| Prior Publication US 2008/0124571 A1, May 29, 2008 | ||
| Int. Cl. H01L 51/54 (2006.01); C07C 15/20 (2006.01); C07D 217/02 (2006.01); C07D 333/50 (2006.01) | ||
| U.S. Cl. 428—690 [428/917; 313/504; 313/506; 546/285; 585/26; 585/27; 257/103; 257/E51.049] | 10 Claims |
| 1. A pyrene derivative represented by the following general formula (1):
(A)k-(X)m—(Ar)n—(Y)p—(B)q (1)
where:
X's each represent a substituted or unsubstituted pyrene residue;
A's and B's each independently represent a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon group having
3 to 50 ring carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 1 to 50 ring carbon atoms, a
substituted or unsubstituted alkyl or alkylene group having 1 to 50 carbon atoms, or a substituted or unsubstituted alkenyl
or alkenylene group having 1 to 50 carbon atoms;
Y's represent at least any one of a substituted or unsubstituted fused ring group having 5 to 50 ring carbon atoms and a fused
heterocyclic group;
m is 1;
k and q each independently represent an integer of 0 to 4;
p is 1; and
n is 1
Ar group in the general formula (1) is represented by one of the following structures, which is substituted by an alkyl group
or not substituted:
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