Perylene diimide-fluorene-thiophene and (3, 4-b) pyrazine conjugated polymer and preparation method and application thereof
A technology of perylene tetracarboxylic acid diimide and conjugated polymer is applied in the field of organic compound synthesis, and can solve the problems such as the collection efficiency of the carrier electrode that is not effectively utilized, the conversion efficiency is low, and the carrier mobility is low. , to achieve the effects of easy operation and control, improved utilization, and simple preparation method
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[0049] Example 1
[0050] Preparation of N,N'-bis-(3,4,5-tri-dodecyloxybenzene)-1,7-dibromo-3,4,9,10-perylene diimide:
[0051]
[0052] The specific synthesis steps are:
[0053] Add 0.148g 1,7-dibromo-3,4,9,10-perylenetetracarboxylic anhydride, 0.54g 3,4,5-tri-dodecyloxy-1-aminobenzene and 12ml propane into the reaction flask. Acid, ultrasonically vibrate for 10 minutes to mix the reactants thoroughly, and then pass nitrogen into the reactants for 30 minutes, stop passing the nitrogen, heat the reactants to 80°C for 48 hours, cool to room temperature after the reaction is complete, add three The methyl chloride was dissolved, and the organic layer was washed with sodium bicarbonate solution to obtain a red suspension, which was filtered. Anhydrous magnesium sulfate was added to the filtrate to dry and remove water, and then spin to dry. After chromatographic column separation (dichloromethane: petroleum ether = 3:1), the product was obtained. MS (EI) m / z: 1806 (M+).
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[0054] Example 2:
[0055] Preparation of 2,3-diphenyl-5.7-bis(2-thiophene)thieno[3,4-b]pyrazine:
[0056]
[0057] Dissolve 0.2mmol of 3',4'-diamino-2,2':5',2"-trithiophene and 0.28mmol of diphenylethylenedione in 10ml of methanol, and react at 60℃ for 1 hour to obtain A mixture containing the target reaction product. The mixture was subjected to column chromatography after the solvent was removed under reduced pressure, and then recrystallized for purification. MS (EI) m / z: 453 (M+).
Example Embodiment
[0058] Example 3:
[0059] Preparation of 5,7-bis(5-bromothiophene)-2,3-diphenylthieno[3,4-b]pyrazine:
[0060]
[0061] Dissolve 150 mg of 2,3-diphenyl-5.7-bis(2-thiophene)thieno[3,4-b]pyrazine, 2.5 times NBS in 10ml of THF, and react at room temperature for 28 hours to obtain the target reaction product. The solvent was removed from the reaction product under reduced pressure, and the resulting product was recrystallized in DMF. MS (EI) m / z: 610 (M+).
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