Organic light emitting element, display device, image information processing device, lighting device, image forming device, exposure device, and organic photoelectric conversion element
a light-emitting element and organic technology, applied in the field of organic light-emitting elements, can solve the problems of easy oxidation, low stability of compounds in the air, unstable compounds, etc., and achieve the effect of high stability against oxidation
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example 1
Synthesis of Example Compound A1
[0187]
(1) Synthesis of Compound D3
[0188]The following reagent and solvents were charged into a 50-ml eggplant flask.
D1: 3.00 g (16.9 mmol)
DMSO: 10 ml
[0189]20 N NaOH aqueous solution: 0.8 ml
[0190]Next, the reaction solution was cooled to 0° C. while being stirred in a nitrogen atmosphere. Subsequently, 1.0 ml (16.9 mmol) of carbon disulfide was slowly dripped and was then stirred at 0° C. for 30 minutes. Next, stirring was performed at room temperature for 1 hour. The solution was again cooled to 0° C., and 1.7 ml (16.9 mmol) of D2 was slowly dripped and was then stirred at 0° C. for 30 minutes. Subsequently, stirring was performed at room temperature for 1 hour. After the reaction was completed, water was added to the reaction solution and then stirred, and filtration thereof was performed using a membrane filter, so that a residue was obtained. After the residue thus obtained was dissolved in 20 ml of ethanol, 0.85 ml of a conc. hydrochloric acid was...
example compound a1
(3) Synthesis of Example Compound A1
[0193]The following reagent and solvent were charged into a 50-ml eggplant flask in a nitrogen flow atmosphere.
D4: 470 mg (1.30 mmol)
Dehydrated DMF: 10 ml
[0194]After this solution was deaerated using nitrogen, 187 mg (3.90 mmol) of sodium hydride (oil dispersion at 50% to 60%) was charged thereto, and stirring was then performed for 2 minutes. Subsequently, 145 mg (1.30 mmol) of potassium tert-butoxide was added, and stirring was performed at room temperature for 6 hours. After the reaction was completed, while stirring was performed, 30 ml of water which was deaerated using nitrogen was slowly added to precipitate a target product, and the solvent was then removed using a syringe. Next, after the operation of adding 20 ml of water deaerated using nitrogen and removing the solvent using a syringe was again performed twice, 10 ml of hexane deaerated using nitrogen was added, and dispersion washing was performed by an ultrasonic washing machine. Sub...
example 2
Synthesis of Example Compound A5
[0198]In Example 1(1), except that the compound D5 shown below was used instead of the compound D1, the example compound A5 was obtained by a method similar to that of Example 1.
[0199]The identification result of the compound thus obtained is shown below.
[MALDI-TOF-MS]
[0200]Measured value: m / z=602.88, calculated value: C38H54N2S2=602.98 [CV measurement]
First Oxidation Potential: −1.05 V
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