Palladium-Imidazole, H. of Olefins Catalyzed by Polymer-Supported

A polymer-supported palladium-imidazole catalyst was used to catalyze the hydrogenation of various olefins under mild conditions. The rate of hydrogenation was studied. The effects of factors such as substrate concentration, catalyst concentration, partial pressure of hydrogen and temperature on ini...

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Veröffentlicht in:Chinese journal of catalysis 2011-02, Vol.32 (2), p.280-285
Hauptverfasser: Velu, U, Stanislaus, A, Virupaiah, G, Shivakumaraiah, Balasubramanian, V
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container_end_page 285
container_issue 2
container_start_page 280
container_title Chinese journal of catalysis
container_volume 32
creator Velu, U
Stanislaus, A
Virupaiah, G
Shivakumaraiah
Balasubramanian, V
description A polymer-supported palladium-imidazole catalyst was used to catalyze the hydrogenation of various olefins under mild conditions. The rate of hydrogenation was studied. The effects of factors such as substrate concentration, catalyst concentration, partial pressure of hydrogen and temperature on initial rate of reaction of selected olefins were investigated. A mechanism for the reaction was proposed from the rate equation. The effects of the solvent and structure of the olefin on the rate of hydrogenation were investigated. The catalyst showed good reusability without any leaching of metal from the support. The homologous analog of the polymer-supported catalyst could not be used as catalyst for the hydrogenation of olefins in methanol because there was precipitation of the metal during reaction.
doi_str_mv 10.1016/S1872-2067(10)60176-3
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subjects Catalysts
Hydrogenation
Leaching
Mathematical analysis
Methyl alcohol
Olefins
Precipitation
Solvents
title Palladium-Imidazole, H. of Olefins Catalyzed by Polymer-Supported
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