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Titanium phosphonate-supported palladium catalyst for the hydrogenation of acetophenone with one-phase catalysis and two-phase separation

Paper ID Volume ID Publish Year Pages File Format Full-Text
44008 45999 2007 10 PDF Available
Title
Titanium phosphonate-supported palladium catalyst for the hydrogenation of acetophenone with one-phase catalysis and two-phase separation
Abstract

A novel inorganic polymer titanium 2-[N-(2-hydroxy-1,2-diphenylethyl)]aminoethylphosphate (TiP) and its supported palladium complex (TiP–Pd) had been synthesized and characterized by IR, XPS, XRD, TG, SEM and TEM. The catalyst TiP–Pd was applied to the catalytic hydrogenation of acetophenone in homogeneous ethanol phase and can be conveniently recovered with above 97% recovery by adding equal volume of petroleum ether. In the catalytic hydrogenation of acetophenone, the selectivities to 1-phenylethanol and ethylbenzene was up to 93.3% at −20 °C and 100% at −20 to 40 °C, respectively under atmospheric hydrogen pressure. The catalyst TiP–Pd can be reused 11 times without the leaching of palladium ion and the sharp loss of catalytic activity.

Graphical abstractA novel inorganic polymer titanium 2-[N-(2-hydroxy-1,2-diphenylethyl)]aminoethylphosphate and its supported palladium complex had been synthesized and characterized by IR, XPS, XRD, TG, SEM and TEM. The catalyst TiP–Pd was applied to the catalytic hydrogenation of acetophenone with one-phase catalysis and two-phase separation. And the selectivity to 1-phenylethanol and ethylbenzene was up to 93.3% and 100%, respectively under mild conditions.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Titanium phosphonate; Homogeneous catalytic hydrogenation; Two-phase separation; Acetophenone; Palladium
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Titanium phosphonate-supported palladium catalyst for the hydrogenation of acetophenone with one-phase catalysis and two-phase separation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 332, Issue 2, 20 November 2007, Pages 247–256
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