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Double carbonylation of iodoarenes in the presence of reusable palladium catalysts immobilised on supported phosphonium ionic liquid phases
University of Pannonia, Institute of Chemistry, Department of Organic Chemistry, Egyetem u, Hungary.
University of Pannonia, Institute of Chemistry, Department of Analytical Chemistry, Egyetem u, Hungary.ORCID-id: 0000-0002-0271-4846
Hungarian Academy of Sciences, Centre for Energy Research, Department of Surface Chemistry and Catalysis, Hungary.
Hungarian Academy of Sciences, Research Institute for Technical Physics and Materials Science, Hungary.
Vise andre og tillknytning
2018 (engelsk)Inngår i: Molecular Catalysis, ISSN 2468-8231, Vol. 445, s. 195-205Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The first heterogeneous carbonylation reaction carried out with palladium catalysts immobilised on phosphonium ion modified silica supports is reported. The supported ionic liquid phases were characterised by solid state NMR and FT-IR measurements. The presence of the phosphonium ions on the surface made it possible to carry out double carbonylation in apolar toluene efficiently that resulted in reduced metal leaching. The introduction of dicationic moieties on the solid support has been proved to lead to a further increase in catalyst stability. The catalysts were proved to produce α-ketoamide products with excellent selectivity in the carbonylation of iodoarenes with aliphatic amines while monocarbonylation was the only reaction observed with aniline derivatives. The catalysts could be recycled and used in at least 10 subsequent runs under optimised conditions.

sted, utgiver, år, opplag, sider
Elsevier, 2018. Vol. 445, s. 195-205
Emneord [en]
Carbonylation, Heterogeneous catalysis, Immobilisation, Palladium, Supported catalysts
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Identifikatorer
URN: urn:nbn:se:ltu:diva-66874DOI: 10.1016/j.mcat.2017.11.024OAI: oai:DiVA.org:ltu-66874DiVA, id: diva2:1161998
Tilgjengelig fra: 2017-12-01 Laget: 2017-12-01 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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