One-pot synthesis of levulinic acid from cellulose in ionic liquids

被引：72

作者：

Shen, Yue ^{[1
]}

Sun, Jian-Kui ^{[1
]}

Yi, Yu-Xuan ^{[1
]}

Wang, Bo ^{[1
]}

Xu, Feng ^{[1
]}

Sun, Run-Cang ^{[1
]}

机构：

[1] Beijing Forestry Univ, Coll Mat Sci & Technol, Beijing Key Lab Lignocellulos Chem, Beijing 100083, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2015年 / 192卷

基金：

中国国家自然科学基金;

关键词：

Cellulose; Degradation; Levulinic acid; Ionic liquids; CATALYTIC CONVERSION; ENZYMATIC-HYDROLYSIS; SELECTIVE CONVERSION; SOLVENT; EFFICIENT; SYSTEMS;

D O I：

10.1016/j.biortech.2015.05.080

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

A simple and effective route for the production of levulinic acid (LA) from cellulose has been developed in SO3H-functionalized ionic liquids. The effects of ionic liquid structures, reaction conditions and combination of metal chlorides with ILs on the yield of LA were investigated, where the highest yield of 39.4% was obtained for 120 min in the presence of 1-(4-sulfonic acid) butyl-3-methylimidazolium hydrogen sulphate ([BSMim]HSO4) with addition of H2O. The catalytic activities of ionic liquids depended on the anions and decreased in the order: CF3SO3-> HSO4(-) > OAc-, which was in good agreement with their acidity order. The ILs play a dual solvent-acid role for the cellulose conversion into LA and exhibited favorable catalytic activity over four repeated runs. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：812 / 816

页数：5

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