Method for preparing 5-hydroxymethylfurfural from acidic iron liquids
A technology of acidic ionic liquid and hydroxymethylfurfural, which is applied in chemical instruments and methods, organic compound/hydride/coordination complex catalysts, organic chemistry, etc., can solve problems such as unsatisfactory effects, and reduce the activation energy of the reaction , shorten the reaction time, strong polar effect
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Embodiment 1
[0022] Weigh 0.1g of fructose and dissolve in 1g of [BMim]TS preheated to 80°C, and react at 150r / min for 60min. After the reaction, stop stirring. After sampling, quickly take out the reactor and cool it with 0-20°C cold water. The product is a viscous colloidal liquid. Dilute the sample with ultrapure water and analyze the fructose and 5-hydroxymethylfurfural content by liquid chromatography. The conversion rate of fructose was 100%, and the yield of 5-hydroxymethylfurfural was 89.5%.
Embodiment 2
[0024] Weigh 0.1g of fructose and dissolve in 1g of [BPy]TSO preheated to 80°C, and react at 150r / min for 60min. After the reaction, stop stirring. After sampling, quickly take out the reactor and cool it with 0-20°C cold water. The product is a viscous colloidal liquid. Dilute the sample with ultrapure water and analyze the fructose and 5-hydroxymethylfurfural content by liquid chromatography. The conversion rate of fructose was 93%, and the yield of 5-hydroxymethylfurfural was 83.6%.
Embodiment 3
[0026] Weigh 0.1g of fructose and dissolve in 1g of [BMim]TS preheated to 70°C, and react at 150r / min for 60min. After the reaction, stop stirring. After sampling, quickly take out the reactor and cool it with 0-20°C cold water. The product is a viscous colloidal liquid. Dilute the sample with ultrapure water and analyze the fructose and 5-hydroxymethylfurfural content by liquid chromatography. The conversion rate of fructose was 100%, and the yield of 5-hydroxymethylfurfural was 71.8%.
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