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Compounds and application thereof, and organic light-emitting device comprising compound

A technology of compounds and derivatives, applied in the field of organic electroluminescent devices, can solve the problems of stability to be further improved, low driving voltage stability, etc.

Pending Publication Date: 2020-10-23
BEIJING ETERNAL MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The novel compound of the present invention can allow hole injection, hole transport, electron injection and electron transport, or be used as a light-emitting material in an organic electronic element or an organic light-emitting element; the novel compound is represented by naphthobenzofuran or naphthobenzothiophene As the core, and through the introduction of substituents, the organic electronic components have a lower driving voltage and better stability, but its stability still needs to be further improved

Method used

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  • Compounds and application thereof, and organic light-emitting device comprising compound
  • Compounds and application thereof, and organic light-emitting device comprising compound
  • Compounds and application thereof, and organic light-emitting device comprising compound

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0123]

[0124] (1) Preparation of compound P3-1:

[0125] Add raw materials S1 (31.2g, 100mmol), S2 (31.5g, 100mmol), potassium carbonate (20.7g, 150mmol), tetrakis (triphenylphosphine) palladium 0.5g, add dioxane 300mL, water 50mL, Heated to reflux for 10 h, thin layer chromatography (TLC) detected the completion of the reaction of the raw materials, quenched with water, extracted with dichloromethane, concentrated the organic phase, purified by column chromatography to obtain the product, and obtained the target compound P3-1.

[0126] (2) Preparation of Compound P3

[0127] Compound P3-1 (27.3g, 50mmol), diphenylamine (10.1g, 60mmol), sodium tert-butoxide (9.6g, 100mmol), tris(dibenzylideneacetone) dipalladium 0.5g and 2-dicyclohexyl Add 0.5 g of phosphine-2′,6′-dimethoxy-biphenyl into a flask containing toluene (300 mL), heat to reflux for 5 hours, and monitor the completion of the reaction by thin-layer chromatography (TLC). After cooling down, the reaction solution ...

preparation example 2

[0131]

[0132] (1) Preparation of compound P9-1:

[0133] Add raw materials S1 (100mmol), S3 (100mmol), potassium carbonate (20.7g, 150mmol), tetrakis(triphenylphosphine)palladium 0.5g into the one-mouth bottle, add dioxane 300mL, water 50mL, heat to reflux for 10h , Thin-layer chromatography (TLC) detected that the reaction of the raw materials was completed, quenched with water, extracted with dichloromethane, concentrated the organic phase and purified by column chromatography to obtain the product, and the target compound P9-1 was obtained.

[0134] (2) Preparation of Compound P9

[0135]Compound P9-1 (60mmol), triphenylamine 3-boronate (60mmol), potassium carbonate (100mmol), tris(dibenzylideneacetone) dipalladium 0.5g and 2-dicyclohexylphosphine-2',6'- Add 0.5 g of dimethoxy-biphenyl into a flask containing 300 mL of dioxane and 50 mL of water, heat to reflux for 10 h, monitor the completion of the reaction by thin-layer chromatography (TLC), extract with dichlorome...

preparation example 3

[0139]

[0140] (1) Preparation of compound P34-1:

[0141] Add raw materials S4 (100mmol), S5 (110mmol), sodium tert-butoxide (150mmol), 0.5g of tris(dibenzylideneacetone)dipalladium and 2-dicyclohexylphosphine-2',6'-di Add 0.5 g of methoxy-biphenyl into a flask containing toluene (300 mL), heat to reflux for 5 h, and thin-layer chromatography (TLC) detects that the raw materials have reacted. The purified pale yellow solid P34-1 was analyzed.

[0142] (2) Preparation of compound P34-2

[0143] Compound P34-1 (60mmol), potassium acetate 100mmol, bipinacol borate 120mmol, tris(dibenzylideneacetone) dipalladium 0.5g and 2-dicyclohexylphosphine-2',6'-dimethyl Add 0.5 g of oxy-biphenyl to 300 ml of dioxane, reflux for 6 hours, thin-layer chromatography (TLC) detects that the raw materials have reacted, post-treatment, add water and ethyl acetate to extract, separate, and concentrate the organic phase to obtain a white solid P34-2.

[0144] (3) Preparation of Compound P34 ...

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Abstract

The invention provides compounds and application thereof, and an organic light-emitting device comprising the compounds. The compounds have a structure as shown in a formula (I). The compounds are used as light-emitting materials in the organic light-emitting device. The organic light-emitting device comprises a substrate, a first electrode, a second electrode and at least one organic layer interposed between the first electrode and the second electrode, wherein the organic layer contains any one or a combination of at least two of the compounds. The compounds have good electron transport capability, can realize carrier balance, are used for the organic light-emitting device, and can effectively reduce turn-on voltage and improve light-emitting efficiency.

Description

technical field [0001] The invention relates to the technical field of organic electroluminescence, in particular to a compound and its application, and an organic electroluminescence device containing it. Background technique [0002] Organic electroluminescent display (hereinafter referred to as OLED) has a series of advantages such as self-luminescence, low-voltage DC drive, full curing, wide viewing angle, light weight, simple composition and process, etc. Compared with liquid crystal display, organic electroluminescent display is not It needs a backlight source, has a large viewing angle, low power, and its response speed can reach 1000 times that of a liquid crystal display, but its manufacturing cost is lower than that of a liquid crystal display with the same resolution. Therefore, organic electroluminescent devices have broad application prospects. [0003] With the continuous advancement of OLED technology in the two major fields of lighting and display, people pay...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D405/14C07D409/04C07D409/10C07D409/14C09K11/06H01L51/54
CPCC07D409/04C07D409/14C07D409/10C07D405/14C09K11/06C09K2211/1044C09K2211/1092C09K2211/1014C09K2211/1007C09K2211/1029C09K2211/1059C09K2211/1088C09K2211/1011H10K85/615H10K85/631H10K85/636H10K85/626H10K85/701H10K85/633H10K85/654H10K85/6576H10K85/6572Y02E10/549
Inventor 李之洋邢其峰
Owner BEIJING ETERNAL MATERIAL TECH
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