Technology of poducing acetone oxime or butanone oxime by oxidation of acetone or butanone
A technology of butanone oxime and acetone oxime, which is applied in oxime preparation and organic chemistry, can solve the problems of large toxic pollutants and low value, and achieve the effect of simple reaction process and high reaction efficiency
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[0007] Example 1: Into a 200ml reactor, 1.2g TS-1, 11.6g acetone, 35g tert-butanol, 22g ammonia water with a concentration of 25wt.% were added. The mixture is thoroughly mixed, the reaction kettle is sealed, and the reaction temperature is controlled at 80°C. A micro-feed pump was used to continuously add 26 g of a 30 wt% hydrogen peroxide solution. Hydrogen peroxide was continuously added dropwise for 2 hours, and the reaction was continued for 1 hour. After the reaction, the solid catalyst is separated from the solution. The conversion rate of acetone is 99%, and the selectivity of acetoxime reaches 96%.
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[0008] Example 2: Into a 200ml reactor, 1.2g TS-1, 14.2g methyl ethyl ketone, 35g tert-butanol, 25g ammonia water with a concentration of 25wt.% were added. The mixture was thoroughly mixed, the reaction kettle was sealed, and the reaction temperature was controlled at 90°C. A micro-feed pump was used to continuously add 26 g of a 30 wt% hydrogen peroxide solution. Hydrogen peroxide was continuously added dropwise for 4 hours, and the reaction was continued for 1 hour. After the reaction, the solid catalyst is separated from the solution. The conversion rate of butanone is 99%, and the selectivity of butanone oxime reaches 95%.
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