Journal
CHINESE CHEMICAL LETTERS
Volume 28, Issue 7, Pages 1479-1484Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2017.02.016
Keywords
5-Hydroxymethylfurfural; Sucrose; Hydrothermal conversion; Ionic liquid; Solid acid
Categories
Funding
- National Natural Science Foundation of China [21406166]
- Municipal Natural Science Foundation of Tianjin [15JCQNJC13900]
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Several types of ILs and solid acids were used as catalysts in one-pot conversion of sucrose to 5-hydroxymethylfurfural (abbreviated as 5-HMF) in a dimethyl sulfoxide (DMS0)/water mixed solvent under hydrothermal conditions. A remarkable 5-HMF yield of 91.8% was achieved catalyzed by the cesium salt of dodecatungstophosphoric acid (Cs2.3H0.7PW12O40) within 3 h at 180 degrees C. The ionic liquid N-methylimidazolium hydrogen sulfate ([Hmiml[HSO4]) gave the 5-HMF in 82.0% yield from sucrose. To the best of our knowledge, it was almost the highest yield of HMF from sucrose by now. Various reaction parameters including reaction temperature and time and catalyst dosage were optimized. A possible mechanism for this catalytic process was proposed. Furthermore, fructose and glucose were also investigated, good yields of 5-HMF was obtained respectively. This increases the possibility of large-scale production of 5-HMF from carbohydrates. (C) 2017 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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