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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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 Creators:
El Sayed, Sami1, Author
Bordet, Alexis2, Author              
Weidenthaler, Claudia3, Author              
Hetaba, Walid4, 5, Author              
Luska, Kylie L.1, Author
Leitner, Walter1, 2, Author              
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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Free keywords: supported ionic liquid phases; ruthenium nanoparticles; Lewis acid; selective benzofurans hydrogenation; continuous flow
 Abstract: 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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Language(s): eng - English
 Dates: 2019-11-262020-01-222020-02-07
 Publication Status: Published online
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/acscatal.9b05124
 Degree: -

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Title: ACS Catalysis
  Abbreviation : ACS Catal.
Source Genre: Journal
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Publ. Info: Washington, DC : ACS
Pages: - Volume / Issue: 10 (3) Sequence Number: - Start / End Page: 2124 - 2130 Identifier: ISSN: 2155-5435
CoNE: https://pure.mpg.de/cone/journals/resource/2155-5435