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  Selective Hydrogenation of Benzofurans Using Ruthenium Nanoparticles in Lewis Acid-Modified Ruthenium-Supported Ionic Liquid Phases

El Sayed, S., Bordet, A., Weidenthaler, C., Hetaba, W., Luska, K. L., & Leitner, W. (2020). Selective Hydrogenation of Benzofurans Using Ruthenium Nanoparticles in Lewis Acid-Modified Ruthenium-Supported Ionic Liquid Phases. ACS Catalysis, 10(3), 2124-2130. doi:10.1021/acscatal.9b05124.

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El Sayed, Sami1, Autor
Bordet, Alexis2, Autor           
Weidenthaler, Claudia3, Autor           
Hetaba, Walid4, 5, Autor           
Luska, Kylie L.1, Autor
Leitner, Walter1, 2, Autor           
Affiliations:
1Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany, ou_persistent22              
2Research Department Leitner, Max Planck Institute for Chemical Energy Conversion, Max Planck Society, ou_3023872              
3Research Group Weidenthaler, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950291              
4Research Department Schlögl, Max Planck Institute for Chemical Energy Conversion, Max Planck Society, ou_3023874              
5Fritz Haber Institute of the Max Planck Society, Faradayweg 4, 14195 Berlin, Germany, ou_persistent22              

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Schlagwörter: supported ionic liquid phases; ruthenium nanoparticles; Lewis acid; selective benzofurans hydrogenation; continuous flow
 Zusammenfassung: Ruthenium nanoparticles immobilized on a Lewis-acid-functionalized supported ionic liquid phase (Ru@SILP-LA) act as effective catalysts for the selective hydrogenation of benzofuran derivatives to dihydrobenzofurans. The individual components (nanoparticles, chlorozincate-based Lewis-acid, ionic liquid, support) of the catalytic system are assembled using a molecular approach to bring metal and acid sites in close contact on the support material, allowing the hydrogenation of O-containing heteroaromatic rings while keeping the aromaticity of C6-rings intact. The chlorozincate species were identified to be predominantly [ZnCl4]2– anions using X-ray photoelectron spectroscopy and are in close interaction with the metal nanoparticles. The Ru@SILP-[ZnCl4]2– catalyst exhibited high activity, selectivity, and stability for the catalytic hydrogenation of a variety of substituted benzofurans, providing easy access to biologically relevant dihydrobenzofuran motifs under continuous flow conditions.

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Sprache(n): eng - English
 Datum: 2019-11-262020-01-222020-02-07
 Publikationsstatus: Online veröffentlicht
 Seiten: 7
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1021/acscatal.9b05124
 Art des Abschluß: -

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Titel: ACS Catalysis
  Kurztitel : ACS Catal.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Washington, DC : ACS
Seiten: - Band / Heft: 10 (3) Artikelnummer: - Start- / Endseite: 2124 - 2130 Identifikator: ISSN: 2155-5435
CoNE: https://pure.mpg.de/cone/journals/resource/2155-5435