Hydrogenation of olefins by polymer-bound palladium(II) Schiff base catalyst

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Alexander, S. and Udayakumar, V. and Gayathri, V. (2009) Hydrogenation of olefins by polymer-bound palladium(II) Schiff base catalyst. Journal of Molecular Catalysis A: Chemical, 314 (1-2). pp. 21-27. ISSN 13811169

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Official URL: https://doi.org/10.1016/j.molcata.2009.08.012

Abstract

Chloromethylated poly(styrene-divinylbenzene) was modified into coordinating Schiff base bearing ligand which was subsequently complexed with palladium chloride and activated by using sodium borohydride. The polymer-supported palladium complex and activated catalyst were characterized by various techniques such as elemental analysis, X-ray photoelectron spectroscopy, atomic absorption spectroscopy, IR, far IR spectral studies, SEM and thermogravimetric analysis. Surface area measurements by BET method and swelling studies with different solvents for the catalyst were also carried out. Catalytic activity towards hydrogenation of 1-hexene, 1-heptene, 1-octene, cyclohexene, norbornadiene (nbd) and 1,5-cyclooctadiene (1,5-cod) was assessed. The influence of variation in temperature, pressure, concentration of the catalyst as well as the substrate and the nature of the solvent on the rate of the reaction was studied for a few olefins. Recycling ability of the catalyst was also evaluated. © 2009 Elsevier B.V. All rights reserved.

Item Type: Article
Additional Information: cited By 29
Uncontrolled Keywords: 1-heptene; 1-Hexene; 1-octene; Atomic absorption spectroscopy; BET method; Catalytic activity; Concentration of; Cyclohexenes; Different solvents; Elemental analysis; Hydrogenation kinetics; Hydrogenation of olefins; IR spectral studies; Norbornadiene; Olefin polymer; Palladium chloride; Polymer-supported; Rate equations; Recycling ability; Schiff base catalysts; Schiff-base; SEM; Sodium borohydrides; Styrene-divinylbenzene; Surface area measurement; Swelling studies, Atomic spectroscopy; Catalysis; Catalyst activity; Chlorine compounds; Functional groups; Hydrogenation; Olefins; Palladium; Palladium compounds; Polymers; Sodium; Spectroscopic analysis; Styrene; Thermogravimetric analysis; X ray photoelectron spectroscopy, Absorption spectroscopy
Subjects: Faculty of Science > Pure Sciences > Chemistry
Divisions: Jnana Bharathi / Central College Campus > Department of Chemistry
Depositing User: Mr. Kirana Kumar D
Date Deposited: 14 Mar 2016 05:58
Last Modified: 14 Mar 2016 05:58
URI: http://eprints-bangaloreuniversity.in/id/eprint/2026

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