Heteroatom-containing spiro organic electroluminescent compound as well as preparation method and application thereof
A heteroatom, electroluminescence technology, applied in the direction of silicon organic compounds, organic chemistry, compounds of elements of group 4/14 of the periodic table, etc., can solve the problems of device deterioration and low amorphousness
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Embodiment 1
[0130] Embodiment 1: preparation compound ET-2
[0131]
[0132] 1. Under nitrogen protection, dissolve raw material D2-2 (30.00mmol) and raw material B3-2 (30.00mmol) in 150.00ml 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 with anhydrous magnesium sulfate, and the solvent was removed using a rotary evaporator to obtain solid organic matter; the solid organic matter was completely dissolved with dichloromethane, and then slowly added dropwise to petroleum ether In the solution, stir evenly, there is precipitation, and the solid is obtained by suction filtration, rinsed with absolute ethanol and petro...
Embodiment 2
[0145] Embodiment 2: preparation compound ET-29
[0146]
[0147] 1. Under nitrogen protection, dissolve raw material A2-29 (30.00mmol) and raw material B2-29 (30.00mmol) in 200.00ml of toluene, ethanol and water (V toluene: V ethanol: V water = 3:1:1) Add tetrakistriphenylphosphine palladium (0.30mmol) 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 dichloromethane to completely dissolve the solid organic matter, then slowly add it dropwise into the petroleum ether solution, stir evenly, there is precipitation, and the solid is obtained by suction filtration, rinsed with absolute ethanol and petrole...
Embodiment 3
[0160] Embodiment 3: preparation compound ET-37
[0161]
[0162] 1. Under nitrogen protection, dissolve raw material A1-37 (30.00mmol) and raw material B1-37 (30.00mmol) in 170.00ml of toluene, ethanol and water (V toluene: V ethanol: V water = 3:1:1) Add tetrakistriphenylphosphine palladium (0.30mmol) 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 dichloromethane to completely dissolve the solid organic matter, then slowly add it dropwise into the petroleum ether solution, stir evenly, there is precipitation, and the solid is obtained by suction filtration, rinsed with absolute ethanol and petrole...
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