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Cooperative In–Sn catalyst system for efficient methyl lactate synthesis from biomass-derived sugars

Paper ID Volume ID Publish Year Pages File Format Full-Text
45127 46401 2016 10 PDF Available
Title
Cooperative In–Sn catalyst system for efficient methyl lactate synthesis from biomass-derived sugars
Abstract

•One-pot transformation of sugars to methyl lactate catalyzed by two-component catalyst.•The synergistic effect of In and Sn species resulted in efficient formation of methyl lactate.•The retro-aldol reaction of fructose to trioses was mainly catalyzed by In species.•The isomerization of trioses to methyl lactate was mainly catalyzed by Sn species.•The catalytic process holds great advantages over the conventional fermentation process.

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, multi-component 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.

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Keywords
Biomass; Lactate; Lewis acid; Synergistic effect; Indium; Tin
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Cooperative In–Sn catalyst system for efficient methyl lactate synthesis from biomass-derived sugars
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 183, April 2016, Pages 8–17
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us