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Direct Transformation of Fructose and Glucose to 5-Hydroxymethylfurfural in Ionic Liquids under Mild Conditions
Guo, Xiaoqian; Zhu, Changhui; Guo, Feng
2016
Source PublicationBIORESOURCES
Volume11Issue:1Pages:2457-2469
AbstractDirect dehydration of fructose and glucose to 5-hydroxymethylfurfural (5- HMF) was studied using ionic liquids (ILs) without adding any catalysts. Various ILs were screened, and the highest 5-HMF yield of 95.6% was obtained using 1-butyl-3-methylimidazolium tosylate ([BMIM][TSO]) at 353 K for 30 min. Proton nuclear magnetic resonance (¹H NMR) spectra confirmed that the sulfonate hydrolysates of anions of [BMIM][TSO] acted as active sites for the dehydration of fructose to 5-HMF. The [BMIM][TSO] catalyzed dehydration reaction showed relatively low activation energy (Ea). A mixture of dimethyl sulfoxide and 1-sulfobutyl-3-methylimidazolium trifluoromethane sulfate (DMSO-[BSO3HMIM][OTF]) was used at 413 K for 50 min for the dehydration of glucose, which yielded 59.8% 5-HMF. The addition of t-butanol, as an isomerization promoter, to DMSO- [BSO3HMIM][OTF] led to a higher 5-HMF selectivity without sacrificing 5-HMF yield.
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10138
Collection生物能源研究组
Recommended Citation
GB/T 7714
Guo, Xiaoqian,Zhu, Changhui,Guo, Feng. Direct Transformation of Fructose and Glucose to 5-Hydroxymethylfurfural in Ionic Liquids under Mild Conditions[J]. BIORESOURCES,2016,11(1):2457-2469.
APA Guo, Xiaoqian,Zhu, Changhui,&Guo, Feng.(2016).Direct Transformation of Fructose and Glucose to 5-Hydroxymethylfurfural in Ionic Liquids under Mild Conditions.BIORESOURCES,11(1),2457-2469.
MLA Guo, Xiaoqian,et al."Direct Transformation of Fructose and Glucose to 5-Hydroxymethylfurfural in Ionic Liquids under Mild Conditions".BIORESOURCES 11.1(2016):2457-2469.
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