Adamantane-containing quaternary ammonium salt ionic liquid and preparation method thereof
A quaternary ammonium salt ion, adamantane technology is applied in the preparation of organic compounds, chemical instruments and methods, preparation of aminohydroxy compounds, etc., to achieve mild reaction conditions, easy availability of raw materials, and improved amphiphilicity.
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Embodiment 1
[0019] Embodiment 1: the synthesis of the quaternary ammonium salt ionic liquid (n=11) containing adamantane
[0020] Weigh 1.8g (0.01mol) of 1-adamantanecarboxylic acid and add it to a 100mL three-neck flask (installed with a thermometer, constant pressure dropping funnel, condenser tube, magnetic stirring), and drop 2.4g of thionyl chloride into the bottle to form a suspension , under the protection of nitrogen, the temperature was raised to 80° C. to react until the solution was a transparent clear liquid, and then evaporated to dryness under reduced pressure to obtain a yellow 1-adamantanecarbonyl chloride solid with a yield of 95%.
[0021] Under nitrogen protection, in a 250mL single-necked flask, 3.3g of 11-bromo-1-undecanol was added to dichloromethane, placed in an ice bath and 4.2mL of triethylamine was added, and 2.0g of 1-adamantanecarbonyl chloride The solution formed with dichloromethane was added dropwise, after the dropwise addition was completed, stirred at ro...
Embodiment 2
[0023] Embodiment 2: the synthesis of quaternary ammonium salt ionic liquid (n=9) containing adamantane
[0024] Weigh 1.8g (0.01mol) of 1-adamantanecarboxylic acid and add it to a 100mL three-neck flask (installed with a thermometer, constant pressure dropping funnel, condenser tube, magnetic stirring), and drop 6.0g of thionyl chloride into the bottle to form a suspension , N 2 In the atmosphere, the temperature was raised to 60° C. to react until the solution was a transparent clear liquid, and then evaporated to dryness under reduced pressure to obtain a yellow 1-adamantanecarbonyl chloride solid with a yield of 97%.
[0025] Under nitrogen protection, in a 250mL single-necked flask, 2.7g of 9-bromo-1-nonanol was added to 1,2-dichloroethane, placed in an ice bath and 3.5mL of triethylamine was added, and 2.0g of 1- The solution formed by adamantanecarbonyl chloride and 1,2-dichloroethane was added dropwise. After the dropwise addition, the reaction was stirred at room tem...
Embodiment 3
[0027] Embodiment 3: the synthesis of quaternary ammonium salt ionic liquid (n=6) containing adamantane
[0028]Weigh 1.8g (0.01mol) of 1-adamantanecarboxylic acid and add it to a 100mL three-necked flask (installed with a thermometer, constant pressure dropping funnel, condenser tube, magnetic stirring), and drop 4.8g of thionyl chloride into the bottle to form a suspension , N 2 In the atmosphere, the temperature was raised to 70° C. to react until the solution was a transparent clear liquid. After completion, it was evaporated to dryness under reduced pressure to obtain a yellow 1-adamantanecarbonyl chloride solid with a yield of 96%.
[0029] Under nitrogen protection, in a 250mL single-necked flask, 2.2g of 6-bromo-n-hexanol was added to tetrahydrofuran, placed in an ice bath, 2.8mL of triethylamine was added, and the solution formed by 2.0g of 1-adamantanecarbonyl chloride and tetrahydrofuran was dropped After the dropwise addition, stir at room temperature for 12 hours...
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