期刊
CATALYSIS COMMUNICATIONS
卷 76, 期 -, 页码 46-49出版社
ELSEVIER
DOI: 10.1016/j.catcom.2015.12.024
关键词
Microcrystalline cellulose; Hydrolysis; Methyltrioxorhenium; Ionic liquid
Methyltrioxorhenium (MTO) has been applied as catalyst to promote cellulose hydrolysis by using the ionic liquid 1-allyl-3-methylimidazolium chloride ([Amim]Cl) as solvent. When using 7 mol% of MTO, 70 mu L of water, ca. 0.6 mmol of microcrystalline cellulose and 2.0 g of [Amim]Cl under microwave irradiation for 30 min at 150 degrees C, 51.2% of total reducing sugar (TRS) and 24.7% of glucose yield can be obtained. The nucleophilic attack of electron-rich O atom of beta-1,4-glycosidic bond to electron-poor Re atom of MTO, leading to the broken of beta-1,4-glycosidic bond, is assumed to be crucial for cellulose degradation. (C) 2015 Elsevier B.V. All rights reserved.
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