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The synthesis of Fe-containing ionic liquid and its catalytic performance for the dehydration of fructose

Hui Liu, Yue Wang, Wanxia Ma, Hongwei Wang, Deping Wang, Wei Jiang, Ming Zhang, Cunshan Zhou, and Huaming Li

School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, People’s Republic of China

 

E-mail: lh7544@ujs.edu.cn

Abstract: Four Fe-containing ionic liquids (ILs) were synthesized by coupling of conventional imidazole ionic liquids [Cxmim]Cl (x = 4, 8, 12, 16) with FeCl3 and were characterized by FT-IR, Raman, ESI–MS and TG. All of the Fe-containing ILs were applied to the conversion of fructose into 5-hydroxymethylfurfural (HMF) in 1-butyl-3-methylimidazolium chloride ([Bmim]Cl) subsequently and the result showed that [C16mim]FeCl4 exhibited excellent catalytic performance. Then the different reaction parameters with [C16mim]FeCl4 as catalyst were studied in detail. A 92.8% yield of HMF was obtained with 0.03 g [C16mim]FeCl4 and 0.1 g fructose in 1.0050 g [Bmim]Cl at 80 °C for 40 min in fructose/[Bmim]Cl solution.

Keywords: HMF; Fe-containing ionic liquid; Dehydration; Fructose

Full paper is available at www.springerlink.com.

DOI: s11696-017-0148-1

 

Chemical Papers 71 (8) 1541–1549 (2017)

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