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Platinum/3,3´-thiodipropionic acid nanoparticles as recyclable catalysts for the selective hydrogenation of trans-cinnamaldehyde

Paper ID Volume ID Publish Year Pages File Format Full-Text
50411 46794 2014 4 PDF Available
Title
Platinum/3,3´-thiodipropionic acid nanoparticles as recyclable catalysts for the selective hydrogenation of trans-cinnamaldehyde
Abstract

•Pt nanoparticles (NPs) using 3,3´-thiodipropionic acid (TDPC) as protective agent.•The average crystallite size of the NPs was 6.0 nm.•First use of Pt/TDPC NPs as catalyst in the hydrogenation of cinnamaldehyde.•Selectivity of 83% towards cinnamyl alcohol at complete substrate conversion.•Recycling of the catalyst with only slight losses in activity and selectivity.

Platinum nanoparticles as spherical aggregates were prepared by the reduction of a Pt(II) salt with hydrazine using 3,3´-thiodipropionic acid as a protective agent, and characterized by IR, XRF, XRD, and SEM where agglomerates have been visualized. The average crystallite size was 6 nm. For the first time such nanoparticles were evaluated as catalysts in the hydrogenation of unsaturated aldehydes. Hydrogenation of trans-cinnamaldehyde yielded cinnamyl alcohol with a selectivity of up to 83% at complete substrate conversion. At 30 °C, the catalyst could be recycled and reused for three runs with only slight losses in activity and selectivity.

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Keywords
Platinum nanoparticles; 3,3´-Thiodipropionic acid; Heterogeneous catalysis; Selective hydrogenation; Cinnamaldehyde; Cinnamyl alcohol
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Platinum/3,3´-thiodipropionic acid nanoparticles as recyclable catalysts for the selective hydrogenation of trans-cinnamaldehyde
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 43, 5 January 2014, Pages 57–60
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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Price after discount Only $4.95
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