期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 183, 期 -, 页码 8-17出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2015.10.015
关键词
Biomass; Lactate; Lewis acid; Synergistic effect; Indium; Tin
资金
- Adaptable and Seamless Technology Transfer Program through target-driven RD, JST
The catalytic conversion of sugars to lactic acid esters holds great advantages over the conventional fermentation process; the reaction is faster and the product can be separated with a simple distillation process. As the conversion of the sugar to the lactic acid ester involves several elemental reactions, multicomponent catalyst systems were expected to be effective for this reaction. This paper reports the use of a combination of indium chloride and tin chloride to synergistically catalyze the formation of methyl lactate (MeLac) from sugars in the presence of tetrafluoroborate salts, the maximum yield of which reaches 72%. A plausible reaction scheme is also proposed based on the electrospray ionization mass spectroscopy analyses of the reaction solutions and the effects of the indium species, tin species, and tetrafluoroborate salts on each elemental step from fructose to MeLac. (C) 2015 Elsevier B.V. All rights reserved.
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