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One-pot chemo-biocatalytic synthesis of R-1-phenylethyl acetate from acetophenone hydrogenation over Pd/Al2O3 catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
43379 45967 2008 6 PDF Available
Title
One-pot chemo-biocatalytic synthesis of R-1-phenylethyl acetate from acetophenone hydrogenation over Pd/Al2O3 catalyst
Abstract

The kinetics in the one-pot synthesis of R-1-phenyl ethylacetate starting from acetophenone have been systematically investigated by using different amounts of hydrogenation catalyst and an immobilized enzyme simultaneously. The kinetic results revealed that there is interference between their catalytic performance indicating that these catalysts were not acting independently but in concert. The reaction mechanism was very complex, since besides the consecutive reactions, hydrogen-acylation, also dehydration of an intermediate product, (R,S)-1-phenylethanol occurred leading to styrene and its instantaneous hydrogenation to ethyl benzene. This work presents the kinetic regularities, quantitative understanding of which remains a challenge.

Graphical abstractThe kinetics in one-pot synthesis of R-1-phenyl ethylacetate starting from acetophenone was investigated systematically by using different amounts of hydrogenation catalyst and an immobilized enzyme simultaneously. The kinetic results revealed that there is interference on their catalytic performance indicating that these catalysts were not acting independently but in concert.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Hydrogenation; Acylation; Chemo-biocatalysis; Acetophenone; R-1-phenyl ethylacetate
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One-pot chemo-biocatalytic synthesis of R-1-phenylethyl acetate from acetophenone hydrogenation over Pd/Al2O3 catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 350, Issue 1, 15 November 2008, Pages 24–29
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
Online Support
Any Questions? feel free to contact us