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Dr. Vitaly V. Ordomsky, Dr. John van der Schaaf, Prof. Dr. Jaap C. Schouten and Dr. T. Alexander Nijhuis Fructose Dehydration to 5-Hydroxymethylfurfural over Solid Acid Catalysts in a Biphasic System ChemSusChem 5

Version of Record online: 6 JUL 2012 | DOI: 10.1002/cssc.201200072

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Fructose dehydration over heterogeneous acidic catalysts is studied. Lewis acidity leads to direct fructose condensation and humins are produced. Brønsted acidity results in selective 5-hydroxymethylfurfural (HMF) formation with subsequent rehydration into acids. Organic solvent addition increases selectivity exclusively over Brønsted acid catalysts due to suppression of the rehydration reaction of HMF and primary fructose condensation with HMF (see figure).

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