期刊
GREEN CHEMISTRY
卷 18, 期 23, 页码 6305-6310出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6gc01853j
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资金
- Ontario Ministry of Research and Innovation-Ontario Research Fund
- National Science and Engineering Research Council (NSERC)
- BioFuelNet
- Canada Research Chairs Program
The conversion of sugars to furans has been gaining attention in recent years as a potential source of renewable chemical building blocks. This work considers the viability of CO2 as an acid catalyst for the conversion of carbohydrates to 5-hydroxymethyl furfural (5-HMF). In addition, the effects of secondary solvents for the separation of the produced 5-HMF from the aqueous reaction mixtures are explored. The addition of salts as a means of phase separation to improve the 5-HMF yield was also investigated. The yield of 5-HMF for CO2-catalyzed glucose conversions was increased from 18% to 64% by varying the concentrations of sugar, salt and choice of secondary solvent. This method was also applied to starch, xylan, and cellulose, and was able to achieve 55%, 51% and 22% respectively. This work shows that high yields of 5-HMF could be achieved through the use of CO2-catalyzed carbohydrate conversions.
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