Issue 2, 2010

Direct conversion of glucose to 5-(hydroxymethyl)furfural in ionic liquids with lanthanide catalysts

Abstract

The direct conversion of glucose to 5-(hydroxymethyl)furfural (HMF) in ionic liquids with lanthanide catalysts was examined in search of a possibly more environmentally feasible process not involving chromium. The highest HMF yield was obtained with ytterbium chloride or triflate together with alkylimidazolium chlorides. Notably, a higher reactivity was observed when the hydrophobicity of the imidazolium cation was increased, in contrast to analogous chromium catalyst systems. This indicates a different reaction mechanism for the lanthanides than for the chromium catalyst systems.

Graphical abstract: Direct conversion of glucose to 5-(hydroxymethyl)furfural in ionic liquids with lanthanide catalysts

Article information

Article type
Paper
Submitted
10 Aug 2009
Accepted
20 Nov 2009
First published
12 Jan 2010

Green Chem., 2010,12, 321-325

Direct conversion of glucose to 5-(hydroxymethyl)furfural in ionic liquids with lanthanide catalysts

T. Ståhlberg, M. G. Sørensen and A. Riisager, Green Chem., 2010, 12, 321 DOI: 10.1039/B916354A

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