A compound and its application
A compound and selected technology, applied in organic chemistry, chemical instruments and methods, luminescent materials, etc., can solve the problems of device electron and hole mobility imbalance, device efficiency and lifetime reduction, and exciton formation efficiency reduction, etc. Achieve the effects of lower driving voltage, higher triplet energy level, and improved electron transport capability
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preparation example 1
[0102] Synthesis of Preparation Example 1 Compound M1
[0103]
[0104] In a 250mL round bottom flask, reactants M1-1 (15mmol), 4-phenyl-2-boronic acid-benzopyrimidine (15mmol) and Na 2 CO 3 (80mmol) was added to toluene (Toluene) / EtOH (absolute ethanol) / H 2 In O (75 / 25 / 50, mL) solvent, a mixed solution was formed, and then Pd(PPh 3 ) 4 (0.48mmol) was added in the above-mentioned mixed solution, carried out reflux reaction under nitrogen atmosphere 20 hours and the intermediate obtained was cooled to room temperature, added in water, filtered through diatomaceous earth pad then, extracted with dichloromethane simultaneously, washed with water then, And dried over anhydrous magnesium sulfate, filtered and evaporated, the crude product was purified by silica gel column chromatography to obtain compound M1.
[0105] Elemental analysis structure of compound M1 (molecular formula C 35 h 24 N 2 O): Theoretical: C, 86.04; H, 4.95; N, 5.73; O, 3.27. Test values: C, 86.04; H...
preparation example 2
[0106] Synthesis of Preparation Example 2 Compound M25
[0107]
[0108] In a 250 mL round bottom flask, reactant M25-1 (15 mmol), 4-phenyl-2-boronic acid-benzopyrimidine (15 mmol) and Na 2 CO 3 (80mmol) was added to toluene / EtOH (absolute ethanol) / H 2 In O (75 / 25 / 50, mL) solvent, a mixed solution was formed, and then Pd(PPh 3 ) 4 (0.48mmol) was added in the above-mentioned mixed solution, carried out reflux reaction under nitrogen atmosphere 20 hours and the intermediate obtained was cooled to room temperature, added in water, filtered through diatomaceous earth pad then, extracted with dichloromethane simultaneously, washed with water then, And dried over anhydrous magnesium sulfate, filtered and evaporated, the crude product was purified by silica gel column chromatography to obtain compound M25.
[0109] The elemental analysis structure of compound M25 (molecular formula C 35 h 24 N 2 O): Theoretical: C, 86.04; H, 4.95; N, 5.73; O, 3.27. Test values: C, 86.04; H...
preparation example 3
[0110] Synthesis of Preparation Example 3 Compound M29
[0111]
[0112] In a 250 mL round bottom flask, reactants M29-1 (15 mmol), 4-phenyl-2-boronic acid-benzopyrimidine (15 mmol) and Na 2 CO 3 (80mmol) was added to toluene / EtOH (absolute ethanol) / H 2 In O (75 / 25 / 50, mL) solvent, a mixed solution was formed, and then Pd(PPh 3 ) 4 (0.48mmol) was added in the above-mentioned mixed solution, carried out reflux reaction under nitrogen atmosphere 20 hours and the intermediate obtained was cooled to room temperature, added in water, filtered through diatomaceous earth pad then, extracted with dichloromethane simultaneously, washed with water then, And dried over anhydrous magnesium sulfate, filtered and evaporated, the crude product was purified by silica gel column chromatography to obtain compound M29.
[0113] Elemental analysis structure of compound M29 (molecular formula C 35 h 24 N 2 O): Theoretical: C, 86.04; H, 4.95; N, 5.73; O, 3.27. Test values: C, 86.04; H, 4...
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