An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the emission layer includes a first host and a dopant, the first host is represented by one selected from Formulae 1 and 2, and the dopant is represented by Formula 7:
Ar
11
(L
11
)
a11
-(R
11
)
b11
]
n11
Formula 1
Ar
21
(L
21
)
a21
-(R
21
)
b21
]
n21
Formula 2
M(L
1
)
n71
(L
2
)
n72
. Formula 7
The organic light-emitting device may have high efficiency and long lifespan and may show little change in the efficiency at an x-coordinate (CIEx) value of 0.21.
US9666807B2
申请人:——
公开号:US9666807B2
公开(公告)日:2017-05-30
Pd-catalyzed C3-selective arylation of pyridines with phenyl tosylates
作者:Fenglin Dai、Qingwen Gui、Jidan Liu、Zhiyong Yang、Xiang Chen、Ruqing Guo、Ze Tan
DOI:10.1039/c3cc41066h
日期:——
We have discovered that phenyl tosylates can be used to arylate pyridines at the C3-position using a Pd(OAc)2–1,10-phenanthroline catalyst system. We also discovered that the reaction of 4-methylpyridine with naphthyl tosylates occurred on the methyl group instead of at the C3-position.