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MDPI, Molecules, 6(15), p. 3863-3877, 2010

DOI: 10.3390/molecules15063863

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Acid-Catalysed Conversion of Saccharides into Furanic Aldehydes in the Presence of Three-Dimensional Mesoporous Al-TUD-1

Journal article published in 2010 by Sérgio Lima, Margarida M. Antunes ORCID, Auguste Fernandes, Martyn Pillinger ORCID, Maria Filipa Ribeiro ORCID, Anabela A. Valente
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The one-pot acid-catalysed conversion of mono/di/polysaccharides (inulin, xylan, cellobiose, sucrose, glucose, fructose, xylose) into 2-furfuraldehyde (FUR) or 5-hydroxymethylfurfural (HMF) in the presence of aluminium-containing mesoporous TUD-1 (denoted as Al-TUD-1, Si/Al = 21), at 170 degrees C was investigated. Xylose gave 60% FUR yield after 6 h reaction; hexose-based mono/disaccharides gave less than 20% HMF yield; polysaccharides gave less than 20 wt % FUR or HMF yields after 6 h. For four consecutive 6 h batches of the xylose reaction in the presence of Al-TUD-1, the FUR yields achieved were similar, without significant changes in Si/Al ratio.