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Heterogeneous selective hydrogenation of trans-4-phenyl-3-butene-2-one to allylic alcohol over modified Ir/SiO2 catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
40978 45873 2012 5 PDF Available
Title
Heterogeneous selective hydrogenation of trans-4-phenyl-3-butene-2-one to allylic alcohol over modified Ir/SiO2 catalyst
Abstract

The heterogeneous selective hydrogenation of trans-4-phenyl-3-butene-2-one to allylic alcohol, catalyzed by Ir/SiO2 stabilized with phosphines and modified by cinchona alkaloids, was described herein. Under the optimized conditions, the chemoselectivity to α,β-unsaturated alcohol was more than 99% with enantioselectivity up to 46%.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (90 K)Download as PowerPoint slideHighlights► Heterogeneous enantioselective hydrogenation of trans-4-phenyl-3-butene-2-one is reported. ► Ir/SiO2 stabilized with phosphines and modified by cinchona alkaloids are employed as catalysts. ► Chemoselectivity to α,β-unsaturated alcohol is more than 99%. ► Enantioselectivity to α,β-unsaturated alcohol is up to 46%.

Keywords
Selective catalysis; Iridium; Alkaloids; Trans-4-phenyl-3-butene-2-one; Supported catalysts
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Heterogeneous selective hydrogenation of trans-4-phenyl-3-butene-2-one to allylic alcohol over modified Ir/SiO2 catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 421–422, 16 April 2012, Pages 86–90
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
Full-text PDF Download
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