Organic compound based on triazine and benzimidazole and application thereof to organic light-emitting diode (OLED) device
An organic compound, benzimidazole technology, applied to the application of organic electroluminescent devices, in the field of organic compounds, can solve the problems affecting the angular distribution of OLED radiation spectrum and complex manufacturing process, etc., to achieve reduced deformation effects, high density, and improved The effect of stability
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0047] Example 1: Synthesis of Intermediate I
[0048]
[0049] Weigh under nitrogen atmosphere The bromide is dissolved in tetrahydrofuran (THF), then bis(pinacol radical) diboron, (1,1'-bis(diphenylphosphine)ferrocene)dichloropalladium(II) and potassium acetate are added, The mixture is stirred, and the mixed solution of the above reactants is heated to reflux at a reaction temperature of 70-90° C. for 5-10 hours; after the reaction is completed, water is added to cool, and the mixture is filtered and dried in a vacuum oven. The obtained residue was separated and purified by silica gel column to obtain Pinacol borate;
[0050]
[0051] Under a nitrogen atmosphere, weigh the raw material A and dissolve it in N,N-dimethylformamide, namely DMF, and then Add palladium acetate and palladium acetate, stir the mixture, then add potassium phosphate aqueous solution, and heat the mixed solution of the above reactants to reflux at a reaction temperature of 120-150°C for 5-15 hours; afte...
Embodiment 2
[0067] Example 2: Intermediate Synthesis
[0068] When R 2 Or R 3 When expressed as the structure of general formula (2),
[0069]
[0070] (1) In a 250mL three-necked flask, pass nitrogen into it, add 0.02mol of raw material 2-bromo-benzimidazole, 0.03mol I-Ar 4 , 0.04mol sodium hydride, 0.004mol cuprous iodide and 0.01mol o-phenanthroline were dissolved in 100ml 1,3-dimethyl-2-imidazolinone, stirred and reacted for 20-30h. After the reaction, add water and use two Extract with methyl chloride, dry the organic layer with anhydrous sodium sulfate, rinse with a mixture of petroleum ether and ethyl acetate as the eluent, the volume ratio of petroleum ether to ethyl acetate in the eluent is 1:100, and purify by column chromatography , Get intermediate M;
[0071]
[0072] (2) Under nitrogen atmosphere, weigh the intermediate M and dissolve it in tetrahydrofuran, and then dissolve the Br-Ar 2 -B(OH) 2 And tetrakis (triphenylphosphine) palladium, stir the mixture, and then add saturated...
Embodiment 3
[0102] Example 3: Synthesis of Compound 1:
[0103]
[0104] In a 250mL three-necked flask, add nitrogen, add 0.01mol intermediate A1, 150ml DMF, 0.03mol intermediate B1, 0.0002mol palladium acetate, stir, and then add 0.02mol K 3 PO 4 The aqueous solution was heated to 150°C, and the reaction was refluxed for 24 hours. The sample was spotted and the reaction was complete. Naturally cooled, extracted with 200 ml of dichloromethane, separated into layers, the extract was dried with anhydrous sodium sulfate, filtered, the filtrate was rotary evaporated, and purified by silica gel column to obtain the target product with an HPLC purity of 99.2% and a yield of 64.3%.
[0105] Elemental analysis structure (molecular formula C 57 H 37 N 9 ): Theoretical value C, 80.74; H, 4.40; N, 14.87; Test value: C, 80.74; H, 4.41; N, 14.85. ESI-MS(m / z)(M + ): The theoretical value is 847.32, and the measured value is 847.70.
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com