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New palladium catalysts on polyketone prepared through different smart methodologies and their use in the hydrogenation of cinnamaldehyde

Paper ID Volume ID Publish Year Pages File Format Full-Text
40618 45860 2012 11 PDF Available
Title
New palladium catalysts on polyketone prepared through different smart methodologies and their use in the hydrogenation of cinnamaldehyde
Abstract

For the first time, polyketone (poly-3-oxotrimethylene, PK) has been employed as support for Pd nanoparticles. Three different approaches have been adopted: (i) reduction of Pd(OAc)2 in EtOH under microwave irradiation, (ii) hydrothermal reduction of the same precursor in EtOH or n-BuOH employing traditional heating and (iii) vaporization of Pd metal through metal vapour synthesis. These supported systems have been characterized by solid state NMR, TEM, ICP, XPS, BET and tested in the selective hydrogenation of cinnamaldehyde (CAL) to hydrocinnamaldehyde (HCAL) as probe reaction. Their catalytic performances have been compared in relation to their preparation procedure and morphology. It is remarkable that these catalysts do not show significant leaching even after several catalytic recycles, thus indicating their high stability and recyclability, ascribed to a stabilizing capacity of this particular polymeric support.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (120 K)Download as PowerPoint slideHighlights► Polyketone has been employed for the first time as support for Pd nanoparticles. ► Three different synthetic approaches were adopted. ► The hydrogenation of cinnamaldehyde to hydrocinnamaldehyde was studied. ► The catalysts showed high stability and recyclability. ► The performances are related to Pd nanoparticles morphology.

Keywords
Pd nanoparticles; Polyketone; Cinnamaldehyde; Hydrocinnamaldehyde
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New palladium catalysts on polyketone prepared through different smart methodologies and their use in the hydrogenation of cinnamaldehyde
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 447–448, 7 December 2012, Pages 49–59
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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