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Product Details
Appearance
White to Dark green powder to crystal
Uses
4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] is a useful research chemical.
Provided is a novel heterocyclic compound of Chemical Formula 1: and to an organic light emitting device including the same.
The invention relates to an organic compound, an organic mixture, composition and organic electronic device. The organic compound, the organic mixture and the composition can be applied to the preparation of organic electronic devices, the organic electronic device can be applied to the preparation of the display device and the lighting equipment. Above-mentioned organic compound, the organic mixture and the above-mentioned composition can significantly improve the organic electronic device of the light-emitting performance and service life, and is capable of full-color display and lighting application provide better material.
The present invention relates to a condensed-cyclic compound capable of obtaining an organic light emitting device having low driving voltage, high efficiency and long lifetime, and an organic light emitting device including the same. The condensed-cyclic
The invention discloses a synthetic method of 4-bromine spiro[fluorine-9,9'-xanthene] and belongs to the field of organic synthesis. The synthetic method is realized by the following steps: taking diphenyl ether as a raw material, and enabling the dipheny
1-bromo-2-phenoxybenzene
3-bromofluoren-9-one
![4-bromospiro[fluorene-9,9′-xanthene]](/upload/2023/2/0544208f-8f97-4ada-9a8e-125829b632e8.png)
4-bromospiro[fluorene-9,9′-xanthene]
| Conditions | Yield |
|---|---|
|
1-bromo-2-phenoxybenzene;
With
n-butyllithium;
In
tetrahydrofuran;
at -78 ℃;
for 0.5h;
Inert atmosphere;
3-bromofluoren-9-one;
In
tetrahydrofuran;
at 20 ℃;
for 2h;
With
hydrogenchloride;
In
acetic acid;
|
82% |
4-bromo-9H-fluorene-9-one
phenol
4-bromospiro[fluorene-9,9′-xanthene]
| Conditions | Yield |
|---|---|
|
With
trichlorophosphate;
at 120 ℃;
|
87% |
|
With
trichlorophosphate;
|
4-bromo-9H-fluorene-9-one
1-bromo-2-phenoxybenzene
(2-phenoxyphenyl)lithium
3-bromofluoren-9-one
4,4,5,5-tetramethyl-2-(spiro[fluorene-9,9'-xanthine]-4-yl)-1,3,2-dioxaborolein
CAS:1984-49-2
CAS:1548450-59-4
CAS:1372778-66-9
Molecular Formula:C27H23N
Molecular Weight:361.5
