申请人:Chichak Kelly Scott
公开号:US20080027028A1
公开(公告)日:2008-01-31
The present invention provides novel ketopyrroles having structure XXIV
wherein R
2
is independently at each occurrence a deuterium atom, a halogen, a nitro group, an amino group, a C
3
-C
40
aromatic radical, a C
1
-C
50
aliphatic radical, or a C
3
-C
40
cyclcoaliphatic radical; “a” is an integer from 0 to 3; and X
1
and X
2
are independently at each occurrence a bromine atom, a hydroxy group, or the group OR
10
, and wherein the group R
10
is independently at each occurrence a deuterium atom, a halogen, a nitro group, an amino group, a C
3
-C
40
aromatic radical, a C
1
-C
50
aliphatic radical, or a C
3
-C
40
cyclcoaliphatic radical. Ketopyrroles XXIV are useful ligands for the preparation of Type (1) and Type (2) organic iridium compositions. In one aspect, the present invention provides deuterated analogs of XXIV. Organic iridium compositions are useful in the preparation optoelectronic devices, such as OLED devices and photovoltaic devices exhibiting enhanced performance characteristics.
本发明提供了具有结构XXIV的新型酮吡咯,其中R2在每次出现时独立地是氘原子、卤素、硝基、氨基、C3-C40芳香基、C1-C50脂肪基或C3-C40环脂基;“a”是从0到3的整数;X1和X2在每次出现时独立地是溴原子、羟基或基团OR10,其中基团R10在每次出现时独立地是氘原子、卤素、硝基、氨基、C3-C40芳香基、C1-C50脂肪基或C3-C40环脂基。酮吡咯XXIV是用于制备类型(1)和类型(2)有机铱配合物的有用配体。在一个方面,本发明提供了XXIV的氘代物。有机铱配合物在制备光电子器件方面很有用,例如OLED器件和光伏器件,表现出增强的性能特征。