Organic compounds and application thereof
An organic compound, unsubstituted technology, used in organic chemistry, chemical instruments and methods, luminescent materials, etc., can solve the problems of mismatch between electrons and holes in the luminescent layer, efficiency roll-off, shortened life, etc., and achieve thermodynamic stability and prolongation. Longevity and good protection
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Embodiment 1
[0033] The synthesis of compound A1, the reaction equation is as follows:
[0034]
[0035] The synthesis method is as follows:
[0036] (1) Add 20g (100mmol) of 2,3-dichloroquinoxaline, 60g (110mmol) of 1-dibenzofuran-7-(3-N-phenylcarbazole)boronic acid, tetrakis(triphenylphosphine palladium) 0.9g (0.785mmol, 0.5%), toluene 1500mL, ethanol 1000mL and potassium carbonate 43.3g (314mmol) / water 1000mL, reacted at 80°C for 8h; after the reaction was completed, the reaction was stopped; cooled to room temperature, filtered, and the obtained solid was passed through toluene Purified by medium recrystallization to obtain white powder M1;
[0037] (2) In the reaction flask, add M1 26g (50mmol), phenylboronic acid 22g (110mmol), tetrakis (triphenylphosphine palladium) 0.9g (0.785mmol, 0.5%), toluene 1500mL, ethanol 1000mL and potassium carbonate 43.3g ( 314mmol) / water 1000mL, reacted at 80°C for 8h; after the reaction was completed, the reaction was stopped; cooled to room temper...
Embodiment 2
[0040] The synthesis of compound A6, reaction equation is as follows:
[0041]
[0042] The synthesis method is as follows:
[0043] (1) Add 20g (100mmol) of 2,3-dichloroquinoxaline, 1-dibenzothiophene-boronic acid (110mmol), 0.9g (0.785mmol, 0.5%) of tetrakis(triphenylphosphine palladium), 1500mL of toluene, Ethanol 1000mL and potassium carbonate 43.3g (314mmol) / water 1000mL were reacted at 80°C for 8h; after the reaction was completed, the reaction was stopped; cooled to room temperature, filtered, and the obtained solid was purified by recrystallization from toluene to obtain a white powder M1;
[0044] (2) In the reaction flask, add M126g (50mmol), dibenzocarbazole-N-4-phenylboronic acid (110mmol), tetrakis(triphenylphosphine palladium) 0.9g (0.785mmol, 0.5%), toluene 1500mL, Ethanol 1000mL and potassium carbonate 43.3g (314mmol) / water 1000mL were reacted at 80°C for 8h; after the reaction was completed, the reaction was stopped; cooled to room temperature and filtered...
Embodiment 3
[0047] The synthesis of compound A13, the reaction equation is as follows:
[0048]
[0049] The synthesis method is as follows:
[0050] (1) Add 20g (100mmol) of 2,3-dichloroquinoxaline, 1-dibenzofuran-boronic acid (110mmol), 0.9g (0.785mmol, 0.5%) of tetrakis(triphenylphosphine palladium), 1500mL of toluene, Ethanol 1000mL and potassium carbonate 43.3g (314mmol) / water 1000mL, reacted at 80°C for 8h; after the reaction was completed, the reaction was stopped; cooled to room temperature, filtered, and the obtained solid was purified by recrystallization from toluene to obtain a white powder M1;
[0051] (2) Add intermediate M1 (100mmol), 7H-benzo[4,5]thiophene[2,3-b]carbazole (110mmol), DMF (500mL) and cesium carbonate 43.3g (314mmol), 120°C React for 8 hours; after the reaction is completed, stop the reaction; cool to room temperature, add water, and filter, and the obtained solid is purified by recrystallization from toluene to obtain yellow powder A13.
[0052] 1 H NM...
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