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- Title
Transesterification of Tributyrin and Dehydration of Fructose over a Carbon-Based Solid Acid Prepared by Carbonization and Sulfonation of Glucose.
- Authors
Wang, Chuanxu; Yuan, Fulong; Liu, Lijing; Niu, Xiaoyu; Zhu, Yujun
- Abstract
A series of carbon-based sulfonated solid acid (CS) catalysts can be prepared through a facile method of direct simultaneous carbonization and sulfonation of d-glucose with concentrated sulfuric acid without a hydrothermal process. Temperature is a key factor in obtaining CS catalysts with higher amounts of -SO3H acid sites. The transesterification of tributyrin with methanol and the dehydration of fructose to 5-hydroxymenthylfurfural (5-HMF) are investigated over the CS catalysts. The CS-150 catalyst, which is the CS catalyst prepared at 150 °C, shows much higher catalytic activity to give a tributyrin conversion of 99.4 %. The yield of methyl butyrate is 97.2 % and a remarkably high yield of 5-HMF (93 %) can be obtained efficiently; these yields result from the high acid density of -SO3H. Good linearity is displayed between the total acid density and yield of methyl butyrate/5-HMF. The CS-150 catalyst has high stability and good recyclability for the dehydration of fructose.
- Subjects
TRANSESTERIFICATION; TRIBUTYRIN; SULFONATION; ACID catalysts; FRUCTOSE
- Publication
ChemPlusChem, 2015, Vol 80, Issue 11, p1657
- ISSN
2192-6506
- Publication type
Article
- DOI
10.1002/cplu.201500261