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Zinc oxide as a regioselective and heterogeneous catalyst for the synthesis of chalcones at room temperature

Paper ID Volume ID Publish Year Pages File Format Full-Text
49963 46775 2012 3 PDF Available
Title
Zinc oxide as a regioselective and heterogeneous catalyst for the synthesis of chalcones at room temperature
Abstract

Zinc oxide catalyzed synthesis of chalcones has been carried out under solvent-free conditions at room temperature. Activated as well as unactivated aromatics smoothly underwent Friedel–Crafts acylation with α, β-unsaturated acid chlorides furnishing excellent yields of the corresponding chalcones. The zinc oxide can be recovered and reused at least three times without any appreciable loss in activity.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Without any activation, ZnO alone is used as a catalyst. ► The catalyst is cheap, easily available, nontoxic, inexpensive and reusable. ► Pyridine and thiophene are converted to corresponding chalcones with excellent yield. ► High regioselectivity and recyclability of a catalyst ► Simple experimental and work up procedure and solvent free reaction conditions

Keywords
Chalcone; α,β-unsaturated acid chloride; Zinc oxide; Solvent-free condition
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Zinc oxide as a regioselective and heterogeneous catalyst for the synthesis of chalcones at room temperature
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 27, 5 October 2012, Pages 30–32
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
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Online Support
Any Questions? feel free to contact us