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Co-solvent intensification effect on aromatic alcohol oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
51248 46836 2012 4 PDF Available
Title
Co-solvent intensification effect on aromatic alcohol oxidation
Abstract

Solvent intensification for aromatic alcohol oxidation was performed by experimentally extensive screening. A co-solvent mixture of [Omim]Cl and toluene was found to significantly intensify this class of reactions with high conversion of alcohols (> 90%) and high selectivity to their aldehydes (> 90%). The intensification effect can be jointly attributed to the interaction of [Omim]Cl with the catalyst WO3 surface, which enhances its catalytic reactivity, and to the aqueous–organic biphasic formation by toluene, which inhibits the over-oxidation of aromatic alcohols.

► Co-solvent significantly intensifies aromatic alcohols oxidation. ► High alcohol conversion and high selectivity to aldehydes were obtained. ► Joint intensification effects attributed to excellent performance. ► Interaction of [Omim]Cl with catalyst surface enhances its catalytic reactivity. ► Co-solvent toluene forms biphasic mixture inhibiting the over-oxidation.

Keywords
Oxidation; Aromatic alcohols; Co-solvent; Ionic liquids; Intensification effect
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 28, 5 November 2012, Pages 143–146
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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