Quinoxaline compound, polymer, organic electronic device and display panel
A technology of organic electronic devices and quinoxalines, which is applied in the field of organic optoelectronic materials, can solve problems such as interfacial miscibility and interfacial erosion, and achieve good thermal stability, compact stacking, and low-cost effects
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[0105] The preparation method of precursors A and P can be prepared according to the following preparation method provided herein, but is not limited to the preparation method provided by the present invention.
[0106] Preparation process of precursor A:
[0107]
[0108] Where X 1 , X 2 Can be BR, H, C 6 Hide 13 Any combination of the groups.
[0109] Specifically, raw metal (5 mmol), diamine (5 mmol) is added to the flask, and then 80 ml of acetic acid is added as a solvent. After 8 hours of heating, the reaction is completed, then cool to the room temperature and pour the reaction liquid into 200 ml of ethanol, Then filtration was performed, and the filter residue was cleaned multiple times. Then, the crude product was separated from the silica gel column, and the eluent was used as n-hexane / dichloromethane, and the solvent collection product was spurly evaporated. The last room temperature was vacuum drying 12h, weighed, and the yield was about 80%.
[0110] Preparation p...
Embodiment 1
[0118] Example 1 Preparation of Compound M1
[0119]
[0120] 3 mmol intermediate A1, 15 mmol boronic acid vinyl derivative P3, 0.8 mmol tricyclic hexylphosphine Pcy3 and 0.4 mmol catalyst tris (dibenzyl acetone) di palladium Pd were added to a 500 ml of two bottles. 2 (DBA) 3 For evacuation of nitrogen, it is repeated three times, so that the pressure tube is in a nitrogen atmosphere; adding 150 ml of 1,4-dioxane solvent and 2.4 mol / L Na 2 CO 3 The solution is 150 ml. At 100 ° C, in a nitrogen atmosphere, the mixed liquid refluxed overnight. After completion of the reaction, the reaction solution was filtered, then extracted, followed by separating the reaction liquid to the silica gel column, using n-hexane / ethyl acetate as a washing off agent, spurly removed the solvent collection product, last room temperature vacuum dry 12h The M1 is obtained, the weight is about 82%. The product M1 nuclear magnetic data is as follows:
[0121] 1 HNMR (300 MHz, DMSO), (TMS, PPM): 9.27 (...
Embodiment 2
[0122] Example 2 Preparation method of Compound M4
[0123]
[0124] A 3 mmol intermediate B1, 12 mmol boric acid vinyl derivative P2, 0.6 mmol tricyclic hexylphosphine Pcy3 and 0.3 mmol catalyst tris (dibenzyl acetone) di palladium Pd were added to a 500 ml of two bottles. 2 (DBA) 3 For vacuum changing nitrogen operation, repeated three times, in the pressure tube in a nitrogen atmosphere; add 100 ml of 1,4-dioxane solvent and 2.4 mol / L Na 2 CO 3 The solution was 110 ml. At 100 ° C, in a nitrogen atmosphere, the mixed liquid refluxed overnight. After completion of the reaction, the reaction solution was filtered, then extracted, followed by separating the reaction liquid to the silica gel column, using n-hexane / ethyl acetate as a washing off agent, spurly removed the solvent collection product, last room temperature vacuum dry 12h The M4 is obtained, the yield is about 79%. The product M4 nuclear magnetic data is as follows:
[0125] 1 HNMR (300MHz, DMSO), (TMS, PPM): 9.27 ...
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