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Clean benzylation of anisole with benzyl alcohol over recyclable partially sulfonated imidazole-exchanged heteropoly phosphotungstate

Paper ID Volume ID Publish Year Pages File Format Full-Text
50650 46806 2014 5 PDF Available
Title
Clean benzylation of anisole with benzyl alcohol over recyclable partially sulfonated imidazole-exchanged heteropoly phosphotungstate
Abstract

•Partially exchanged heteropoly phosphotungstates with high acid strength is reported.•Solid catalyst at room temperature can be separated after a liquid-phase reaction.•Benzylation of anisole by benzyl alcohol with good performance is achieved.

A series of organic heteropoly acidic salts with high acid strength have been prepared via the partial replacement of protons in a neat phosphotungstic acid. These hybrid catalysts have exhibited good activity and selectivity in the benzylation of anisole with benzyl alcohol. The “liquid-phase reaction at high temperature, solid-state separation at room temperature” performance of obtained hybrid catalysts enables an easy recovery and steady reusability demonstrated by a three-run recycling test.

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Keywords
Benzylation; Benzyl alcohol; Ionic liquids; Organic heteropolyacid salts
First Page Preview
Clean benzylation of anisole with benzyl alcohol over recyclable partially sulfonated imidazole-exchanged heteropoly phosphotungstate
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 57, 5 December 2014, Pages 89–93
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis