Pyrene-based organic material, preparation method, and application thereof
An organic material and pyrene-based technology, applied in the field of organic semiconductor materials, can solve problems such as device temperature rise, emission spectrum red shift, and lower luminous efficiency, and achieve high solubility, simple synthesis method, and cheap raw materials.
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no. 1 example
[0083] The first embodiment: the name of the pyrene-based organic material is: 1.6-bis(9,9-diphenylfluorenyl)pyrene, the chemical name is: BDPhFPy, and its chemical formula structure is as follows:
[0084]
[0085] The preparation method of diphenylfluoreneboronic acid pinacol ester is as follows:
[0086] Among them, the chemical structure of 2-bromo-9,9-diphenylfluorene is as follows:
[0087]
[0088] The chemical structure of pinacol diboronate is as follows:
[0089]
[0090] The chemical structure of 1,1'-bis(diphenylphosphino)ferrocene (DPPF) is as follows:
[0091]
[0092] The chemical structure of 1,4-dioxane is as follows:
[0093]
[0094] Accurately weighed 2-bromo-9,9-diphenylfluorene (3.9mmol), biboronic acid pinacol ester (5.9mmol), palladium acetate (Pd(OAC) 2 , 0.15mmol), potassium acetate (KOAc, 9.4mmol) and 1,1'-bis(diphenylphosphino)ferrocene (DPPF) (0.3mmol) were placed in a clean and dry two-necked flask (250ml ), vacuuming and nitrog...
no. 2 example
[0111] Second embodiment: the name of the pyrene-based organic material is: 1.6-bispirobisfluorene pyrene, the chemical name is: DSBFPy, and its chemical formula structure is as follows:
[0112]
[0113] The preparation method of spirobifluorene boronic acid pinacol ester is as follows:
[0114] Accurately weighed 2-bromo-spirobifluorene (3.9mmol), biboronic acid pinacol ester (5.9mmol), palladium acetate (Pd(OAC) 2 , 0.15mmol), potassium acetate (KOAC, 9.4mmol) and 1,1'-bis(diphenylphosphino)ferrocene (DPPF) (0.3mmol) were placed in a clean and dry two-necked flask (250ml ), vacuuming and nitrogen filling were repeated three times. Deoxygenate 1,4-dioxane for about 1 hour in advance, and draw about 40ml into the reaction bottle with a syringe. During the whole reaction process, avoid light, pass condensed water, and reflux at 90°C for 12h. After the reaction was completed, an appropriate amount of water was added to the reaction solution, the liquid was extracted and s...
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