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Liquid phase Friedel–Crafts benzylation of aromatics on a polymer-supported 12-tungstophosphoric acid catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
51981 46860 2008 4 PDF Available
Title
Liquid phase Friedel–Crafts benzylation of aromatics on a polymer-supported 12-tungstophosphoric acid catalyst
Abstract

12-Tungstophosphoric acid (TPA) impregnated on polyaniline, zirconia and silica were chosen for the Friedel–Crafts benzylation of aromatics with benzyl alcohol as benzylating agent. TPA supported on polyaniline (PANI) was found to be selective towards monobenzylation and no dibenzylation was observed. This increased catalytic activity and selectivity can be attributed to the dispersion of TPA in the polyaniline matrix. The TPA supported on polyaniline was characterized by XRD, FTIR, BET and elemental analysis. The catalyst was found to be reusable for five cycles without appreciable loss in activity.

Keywords
Benzylation; Monobenzylation; Polymer-supported; Polyaniline
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Liquid phase Friedel–Crafts benzylation of aromatics on a polymer-supported 12-tungstophosphoric acid catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 9, 15 May 2008, Pages 1937–1940
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
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Full-text PDF Download
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