Issue 10, 2010
From the journal:

Green Chemistry

Efficient one-pot production of 5-hydroxymethylfurfural from inulin in ionic liquids†

Xinhua Qi,*ab   Masaru Watanabe,b   Taku M. Aidab  and  Richard L. Smith Jr.*b  

* Corresponding authors

a Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering, Nankai University, Tianjin, China
E-mail: qixinhua@scf.che.tohoku.ac.jp

b Research Center of Supercritical Fluid Technology, Tohoku University, 6-6-11 Aoba, Aramaki, Aoba-ku, Sendai, Japan
E-mail: smith@scf.che.tohoku.ac.jp
Fax: +81 022-795-5864

Abstract

An efficient one pot, two-step process was developed for the preparation of 5-hydroxymethylfurfural (5-HMF) from inulin in ionic liquids under mild conditions. In the first step, the ionic liquid 1-butyl-3-methyl imidazolium hydrogen sulfate ([BMIM][HSO4]) was used as both solvent and catalyst for the rapid hydrolysis of inulin into fructose with 84% fructose yield in 5 min reaction time. In the second step, 1-butyl-3-methyl imidazolium chloride ([BMIM][Cl]) and a strong acidic cation exchange resin were added to the mixture to selectively convert fructose into 5-HMF, giving a 5-HMF yield of 82% in 65 min at 80 °C, which is the highest 5-HMF yield reported by thus far for an inulin feedstock.

Graphical abstract: Efficient one-pot production of 5-hydroxymethylfurfural from inulin in ionic liquids

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Article information

DOI
https://doi.org/10.1039/C0GC00141D
Article type
Paper
Submitted
24 May 2010
Accepted
11 Aug 2010
First published
08 Sep 2010

Green Chem., 2010,12, 1855-1860

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Efficient one-pot production of 5-hydroxymethylfurfural from inulin in ionic liquids

X. Qi, M. Watanabe, T. M. Aida and R. L. Smith Jr., Green Chem., 2010, 12, 1855 DOI: 10.1039/C0GC00141D

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