Method for preparing imine compound through primary amine oxidative coupling
A technology of oxidative coupling and oxidative coupling reaction, which is applied in the preparation of imino compounds, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of high toxicity, difficult recycling, small specific surface area of catalysts, etc. Effects of increased surface area, simple equipment, and well-characterized structures
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Embodiment 1
[0025] A kind of preparation method of SBA-15 loaded Anderson type heteropolyacid catalyst, comprises the steps:
[0026] (1) A step for preparing SBA-15, adding 1.33g of P123 and 1.467g of potassium chloride into a three-necked flask, adding 40ml of 2M dilute hydrochloric acid and stirring evenly. After mixing evenly, add 3ml of ethyl orthosilicate, and put it in an oil bath at 38°C. After stirring for 24 hours, it was taken out and transferred to a hydrothermal kettle at 100°C for reaction, and the pre-product was obtained after 24 hours. After washing several times with secondary water, dry in a vacuum oven at a drying temperature of 60°C. To obtain a sample, add 0.5 g and 0.6 g of ammonium acetate to 10 ml of ethanol to extract and remove the template agent P123, repeat the above steps once, and centrifuge to obtain a sample. Finally, it was washed several times with secondary water, dried and placed in a nitrogen-protected tube furnace for calcination.
[0027] Specifi...
Embodiment 2
[0031] A kind of preparation method of SBA-15 loaded Anderson type heteropolyacid catalyst, comprises the steps:
[0032] (1) A step for preparing SBA-15, adding 1.33g of P123 and 1.467g of potassium chloride into a three-necked flask, adding 40ml of 2M dilute hydrochloric acid and stirring evenly. After mixing evenly, add 3ml of ethyl orthosilicate, and put it in an oil bath at 38°C. After stirring for 24 hours, it was taken out and transferred to a hydrothermal kettle at 100°C for reaction, and the pre-product was obtained after 24 hours. After washing several times with secondary water, dry in a vacuum oven at a drying temperature of 60°C. To obtain a sample, add 0.5 g and 0.6 g of ammonium acetate to 10 ml of ethanol to extract and remove the template agent P123, repeat the above steps once, and centrifuge to obtain a sample. Finally, it was washed several times with secondary water, dried and placed in a nitrogen-protected tube furnace for calcination.
[0033] Specifi...
Embodiment 3
[0037] A kind of preparation method of SBA-15 loaded Anderson type heteropolyacid catalyst, comprises the steps:
[0038] (1) A step for preparing SBA-15, adding 1.33g of P123 and 1.467g of potassium chloride into a three-necked flask, adding 40ml of 2M dilute hydrochloric acid and stirring evenly. After mixing evenly, add 3ml of ethyl orthosilicate, and put it in an oil bath at 38°C. After stirring for 24 hours, it was taken out and transferred to a hydrothermal kettle at 100°C for reaction, and the pre-product was obtained after 24 hours. After washing several times with secondary water, dry in a vacuum oven at a drying temperature of 60°C. To obtain a sample, add 0.5 g and 0.6 g of ammonium acetate to 10 ml of ethanol to extract and remove the template agent P123, repeat the above steps once, and centrifuge to obtain a sample. Finally, it was washed several times with secondary water, dried and placed in a nitrogen-protected tube furnace for calcination.
[0039] Specifi...
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