Dehydration of fructose into 5-hydroxymethylfurfural in acidic ionic liquids

被引：52
|
作者：
Tao, Furong [1 ,2 ]
Song, Huanling [1 ]
Chou, Lingjun [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
RSC ADVANCES | 2011年 / 1卷 / 04期
关键词：
HETEROGENEOUS ZIRCONIUM; SUBCRITICAL WATER; CATALYSTS; CONVERSION; GLUCOSE; 5-HYDROXYMETHYL-2-FURALDEHYDE; SUBSTANCES; SYSTEM; SUGARS;
D O I：
10.1039/c1ra00088h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A simple and effective process for the dehydration of fructose into 5-hydroxymethylfurfural (HMF) using ionic liquid 1-(4-sulfonic acid) butyl-3-methylimidazolium hydrogen sulfate (IL-1) as the catalyst was developed. High fructose conversion of 100% with HMF yield of 94.6% was obtained at 120 degrees C for 180 min reaction time in water-4-methyl-2-pentanone (MIBK) biphase system. Generally, the increase of water content had a negative effect on the reaction, the HMF selectivity decreased as the excessive elevation of temperature and prolonging of time, which suggested the decomposition of HMF. The ionic liquid IL-1 could be recycled and exhibited constant activity for six successful runs. This paper provided a new strategy for HMF production from fructose.
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页码：672 / 676
页数：5
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