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Brønsted acid ionic liquid catalyzed formation of pyruvaldehyde dimethylacetal from triose sugars

Paper ID Volume ID Publish Year Pages File Format Full-Text
55262 47045 2013 5 PDF Available
Title
Brønsted acid ionic liquid catalyzed formation of pyruvaldehyde dimethylacetal from triose sugars
Abstract

A series of sulfonic acid functionalized ionic liquids (SO3H-ILs) have been synthesized, characterized and investigated as catalysts for the conversion of the triose sugars, 1,3-dihydroxyacetone (DHA) and glyceraldehyde (GLA), to pyruvaldehyde dimethylacetal (PADA) in methanol. Depending on the reaction conditions and the applied SO3H-ILs a good yield of up to 52% of PADA was obtained. Under identical reaction conditions the derivative of PADA, 1,1,2,2-tetramethoxy propane (TMP), could be obtained in yields up to 49% using another SO3H-IL.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (75 K)Download as PowerPoint slideHighlights► Synthesis and characterization of sulfonic acid functionalized ionic liquid catalysts. ► Conversion of trioses into pyruvaldehyde dimethylacetal and 1,1,2,2-tetramethoxy propane. ► Product formation was found to depend on the nature of the ionic liquid catalyst.

Keywords
Ionic liquid; Sulfonic acid; Dihydroxyacetone; Pyruvaldehyde dimethylacetal
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 200, 1 February 2013, Pages 94–98
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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