Composition and element using same
一种组合物、化合物的技术，应用在电气元件、应用、家里用具等方向，能够解决有机太阳能电池等光电转换元件转换效率不一定充分等问题
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[0162] Hereinafter, examples are given in order to further describe the present invention in detail, but the present invention is not limited to them.
reference example 1
[0163] (Reference Example 1) Production of 2-bromo-3-dodecylthiophene
[0164] Under an argon atmosphere, 15.0 g (59.4 mmol) of 3-dodecylthiophene (manufactured by Aldrich) and dehydrated N,N-dimethylformamide (hereinafter sometimes referred to as DMF) were added to a 200 ml three-necked flask. 50ml to form a homogeneous solution. While maintaining the flask at 0° C., a DMF 100 ml solution of 10.6 g (59.3 mmol) of N-bromosuccinimide (hereinafter sometimes referred to as NBS) was added dropwise over 1 hour. After the dropwise addition, stirring was performed for 6 hours while maintaining the flask at 0°C. Thereafter, the reaction solution was poured into 400 ml of water, extracted 5 times with 50 ml of diethyl ether, the oil layer was washed 3 times with water, dried over magnesium sulfate, and the solvent was distilled off under reduced pressure to obtain 17.8 g of the target 2-bromo-3- Dodecylthiophene. 1H NMR: δ7.18 (d, 1H), 6.79 (d, 1H), 2.57 (t, 2H), 1.57-1.29 (m, 20H),...
reference example 2
[0165] (Reference Example 2) Production of 3-dodecylthiophene-2-carbaldehyde
[0166] Under an argon atmosphere, 2.40 g (98.7 mmol) of metallic magnesium was added to a 500 ml three-necked flask, and the mixture was heated to 150° C. for 1 hour while stirring with a stirring bar, and magnesium activation was performed for 1 hour. After cooling to room temperature, add dehydrated tetrahydrofuran (THF) (96ml), add 50mg of iodine, then add dropwise at room temperature for 30 minutes. Alkylthiophene 24.0 g (72.4 mmol). After the dropwise addition, it was refluxed for 30 minutes, then cooled to room temperature, and DMF 10.5 g (144 mmol) was added dropwise over 15 minutes. After stirring at room temperature for 2 hours, hydrochloric acid was added to the reaction system until the pH was about 2, and extracted 5 times with ethyl acetate. The oil layer was washed with water, saturated brine, and water, dried over magnesium sulfate, and the solvent was distilled off with an evaporat...
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