Conjugated polymer containing Indacene tetrone and application of conjugated polymer in organic electronic device
A technology of organic electronic devices and conjugated polymers, applied in the field of polymer materials, to achieve the effect of medium and wide bandgap absorption, cheap raw materials, and low-cost preparation
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Embodiment 1
[0035] The synthesis route of the conjugated polymer P1 containing the provincial tetraenone is as follows:
[0036]
[0037] (1) Synthesis of Compound 4
[0038]Amphalophenylene tetramethlorhydride (23 mmol, 5g), acetoacetyl (69 mmol, 8.94 g), triethylamine (275 mmol, 12 27.8 g) was dissolved in acetic anhydride (80 mL), heated at 100 ° C for 2 hours, then The reaction liquid was cooled in a refrigerator at 3 ° C for 24 hours to obtain a mixture of solid precipitated. The solid was filtered and washed with a small amount of acetic anhydride and diethyl ether to give the intermediate 2. The resulting intermediate 2 is dissolved in water and used in an ice bath. 2 SO 4 Acidification of solids. The reaction liquid was then filtered, ethanol was washed, and the temperature was dried in the fume housing for 24 hours, and the residual moisture was removed from the oil pump to obtain Compound 3. A large amount of acetic acetonitrile was added to compound 3, and after stirring for 3 ho...
Embodiment 2
[0044] The synthesis method of Compound 6 has been given in Example 1, and the polymer P2 in Example 2 obtained by the same similar method, the synthetic route is as follows:
[0045]
[0046] The resulting compound 6 (0.1 mmol, 112.1 mg), double tin monomer 8 (0.1 mmol, 94.1 mg), and catalyst Pd 2 (DBA) 3 (0.003mmol, 2.7mg) and ligand p (o-tol) 3 (0.024 mmol, 7.3 mg) was dissolved in 4 ml of anhydrous oxygen-oxygenlobenzene under an argon atmosphere, and the reaction solution was stirred at 80 ° C for 1.8 hours. Subsequently, the reaction liquid dropped into 150 ml of methanol and filtered the obtained blue precipitate, and further use methanol, n-hexane, dichloromethane, chloroform and chlorobenzene, and low molecular weight groups by the rope extractor. share. The solution of the chloroprene phase was concentrated and precipitated in 100 ml of methanol, i.e., the target polymer P2, the weight was 86 mg, and the yield was 54%. GPC: Mn = 25.4kda, PDI = 1.71 (eg figure 2 ). Anal...
Embodiment 3
[0048] The synthesis method of Compound 6 has been given in Example 1, and the polymer P3 in Example 3 obtained by the same similar method, the synthetic route is as follows:
[0049]
[0050] The obtained compound 6 (0.1 mmol, 112.1 mg), double tin monomer 9 (0.1 mmol, 97.3 mg), and catalyst Pd 2 (DBA) 3 (0.003mmol, 2.7mg) and ligand p (o-tol) 3 (0.024 mmol, 7.3 mg) was dissolved in an argon atmosphere of 4 ml anhydrous oxygenlobenzene, and the reaction liquid was stirred at 80 ° C for 1.6 hours. Subsequently, the reaction liquid dropped into 150 ml of methanol and filtered the obtained blue precipitate, and further use methanol, n-hexane, dichloromethane, chloroform and chlorobenzene, and low molecular weight groups by the rope extractor. share. The solution of the chloroprene phase was concentrated and precipitated in 100 ml of methanol, and the target polymer P3 was obtained. Weight of 82 mg, 50% yield. GPC: Mn = 27.0kda, PDI = 2.88 (eg image 3 ). Anal.calcd for (c 96 Hide 1...
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