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Mono- and double carbonylation of aryl iodides with amine nucleophiles in the presence of recyclable palladium catalysts immobilised on a supported dicationic ionic liquid phase
Department of Organic Chemistry, Institute of Chemistry, University of Pannonia.
Department of Analytical Chemistry, University of Pannonia.ORCID iD: 0000-0002-0271-4846
Department of Surface Chemistry and Catalysis, Centre for Energy Research, Hungarian Academy of Sciences.
Research Institute for Technical Physics and Materials Science, Hungarian Academy of Sciences.
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2017 (English)In: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 7, no 70, 44587-44597 p.Article in journal (Refereed) Published
Abstract [en]

Silica modified with organic dicationic moieties proved to be an excellent support for palladium catalysts used in the aminocarbonylation of aryl iodides. By an appropriate choice of the reaction conditions, the same catalyst could be used for selective mono- or double carbonylations leading to amide and α-ketoamide products, respectively. The best catalyst could be recycled for at least 10 consecutive runs with a loss of palladium below the detection limit. By the application of the new support, efficient catalyst recycling could be achieved under mild reaction conditions (under low pressure and in a short reaction time). Palladium-leaching data support a mechanism with dissolution—re-precipitation of the active palladium species.

Place, publisher, year, edition, pages
Royal Society of Chemistry, 2017. Vol. 7, no 70, 44587-44597 p.
Keyword [en]
catalysis
National Category
Materials Chemistry Other Physics Topics
Research subject
Applied Physics
Identifiers
URN: urn:nbn:se:ltu:diva-65685DOI: 10.1039/C7RA04680DISI: 000411021100071Scopus ID: 2-s2.0-85029714089OAI: oai:DiVA.org:ltu-65685DiVA: diva2:1141874
Available from: 2017-09-17 Created: 2017-09-17 Last updated: 2017-11-29Bibliographically approved

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