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Due to the toxicity and ubiquity of chromium contamination, fluorometric detection of chromium ions (Cr3+) has attracted much attention. Here, a new fluorescent probe 4PBI-Cz based on novel dibenzimidazole group was designed and synthesized to
The invention discloses a carbazole structure-containing derivative and an organic light emitting device containing the same, and relates to the technical field of organic photoelectric materials. Onone hand, a carbazole molecule in the structure of a com
The invention discloses a compound taking carbazole as a core, and applications thereof in organic light-emitting devices. The structure of the compound is represented by formula I, is relatively highin glass transition temperature and molecular heat stability, possesses appropriate HOMO and LUMO energy level, and relatively high Eg, and is capable of improving the photoelectric properties of OLEDs and prolonging the service life of OLEDs through device structure optimization.
The present invention discloses a novel ditriphenylene derivative is represented by the following formula(I), the organic EL device employing the ditriphenylene derivative as host material or dopant material of emitting layer can lower driving voltage, pr
iodobenzene
2,7-dibromo-9H-carbazole
2,7-dibromo-9-(4-phenyl)-9H-carbazole
| Conditions | Yield |
|---|---|
|
With
copper(l) iodide; 1,10-Phenanthroline; potassium carbonate;
In
water; N,N-dimethyl-formamide;
|
92.9% |
|
With
palladium diacetate; tris-(o-tolyl)phosphine; sodium t-butanolate;
In
toluene;
|
80% |
|
With
copper(l) iodide; 1,10-Phenanthroline; potassium carbonate;
In
N,N-dimethyl-formamide;
for 24h;
Inert atmosphere;
Reflux;
|
78% |
|
With
copper; potassium carbonate;
In
N,N-dimethyl-formamide;
at 130 ℃;
Inert atmosphere;
|
78% |
|
With
copper; potassium carbonate;
In
1,2-dichloro-benzene;
at 140 ℃;
for 12h;
|
70% |
|
With
potassium carbonate; ethylenediamine;
In
1,4-dioxane;
for 12h;
Reflux;
|
60% |
|
With
copper(I) oxide; 2,2,6,6-tetramethylheptane-3,5-dione; potassium hydroxide;
In
N,N-dimethyl-formamide;
at 130 ℃;
for 24h;
Inert atmosphere;
Schlenk technique;
|
26% |
|
With
potassium carbonate;
|
2,7-dibromo-9-(4-aminophenyl)-9H-carbazole
2,7-dibromo-9-(4-phenyl)-9H-carbazole
| Conditions | Yield |
|---|---|
|
2,7-dibromo-9-(4-aminophenyl)-9H-carbazole;
With
hydrogenchloride; sodium nitrite;
In
water; acetonitrile;
at 0 ℃;
With
hypophosphorous acid;
In
water; acetonitrile;
at 80 ℃;
|
85% |
iodobenzene
2,7-dibromo-9H-carbazole
4-(4-bromophenyl)bromobenzene
4-Fluoronitrobenzene
2,7-bis(3,6-di-tert-butyl-9-carbazolyl)-N-phenylcarbazole
2,7-bis(N-carbazolyl)-N-phenylcarbazole
2,7-bis(diphenylphosphino)-9-phenyl-9H-carbazole
2,7-di(1,3,2-dioxaborinan-2-yl)-9-phenyl-9H-carbazole
CAS:894791-46-9
Molecular Formula:C24H16BrN
Molecular Weight:398.3
CAS:13716-12-6
Molecular Formula:C<sub>12</sub>H<sub>27</sub>P
Molecular Weight:202.32
CAS:1189047-28-6
CAS:1984-49-2
