Organophosphorus luminescent compound, preparation method thereof and organic light-emitting device
A technology of luminescent compounds and organophosphorus, applied in organic chemical methods, isotope introduction of organic compounds, organic chemistry, etc., can solve problems such as time-consuming, low lifespan, complex synthesis process, etc.
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Embodiment 1
[0073] The synthesis of compound 3, its specific synthetic steps are as follows:
[0074]
[0075] 1. Under nitrogen protection, dissolve raw material A-3 (30.00mmol) and raw material B-3 (30.00mmol) in 120.00ml of toluene, ethanol and water (V toluene: V ethanol: V water = 3:1:1) Add tetrakistriphenylphosphine palladium (0.3mmol) and potassium carbonate (60.00mmol) to the mixed solution, stir evenly, heat up to 90°C, and reflux for 5 hours, after the solution is cooled to room temperature, keep the organic phase, and then use The aqueous phase was extracted with ethyl acetate; after combining the organic phases, they were dried using anhydrous magnesium sulfate, and the solvent was removed using a rotary evaporator to obtain solid organic matter. Use 50ml of dichloromethane to completely dissolve the solid organic matter, then slowly add it dropwise into the petroleum ether solution, stir evenly, a precipitate is precipitated, and the solid is obtained by suction filtratio...
Embodiment 2
[0091] The synthesis of compound 56, its specific synthesis steps are as follows:
[0092]
[0093] 1. Under nitrogen protection, dissolve raw material A-56 (30.00mmol) and raw material B-56 (30.00mmol) in 120.00ml of toluene, ethanol and water (V toluene: V ethanol: V water = 3:1:1) Add tetrakistriphenylphosphine palladium (0.3mmol) and potassium carbonate (60.00mmol) to the mixed solution, stir evenly, heat up to 90°C, and reflux for 5 hours, after the solution is cooled to room temperature, keep the organic phase, and then use The aqueous phase was extracted with ethyl acetate; after combining the organic phases, they were dried using anhydrous magnesium sulfate, and the solvent was removed using a rotary evaporator to obtain solid organic matter. Use 50ml of dichloromethane to completely dissolve the solid organic matter, then slowly add it dropwise into the petroleum ether solution, stir evenly, and a precipitate is precipitated, and the solid is obtained by suction ...
Embodiment 3
[0109] The synthesis of compound 74, its specific synthesis steps are as follows:
[0110]
[0111] 1. Under nitrogen protection, dissolve raw material A-74 (30.00mmol) and raw material B-74 (30.00mmol) in 120.00ml of toluene, ethanol and water (V toluene: V ethanol: V water = 3:1:1) Add tetrakistriphenylphosphine palladium (0.3mmol) and potassium carbonate (60.00mmol) to the mixed solution, stir evenly, heat up to 90°C, and reflux for 5 hours, after the solution is cooled to room temperature, keep the organic phase, and then use The aqueous phase was extracted with ethyl acetate; after combining the organic phases, they were dried using anhydrous magnesium sulfate, and the solvent was removed using a rotary evaporator to obtain solid organic matter. Use 50ml of dichloromethane to completely dissolve the solid organic matter, then slowly add it dropwise into the petroleum ether solution, stir evenly, and a precipitate is precipitated, and the solid is obtained by suction fi...
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