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  An Anionic Dinuclear Ruthenium Dihydrogen Complex of Relevance for Alkyne gem-Hydrogenation

Biberger, T., Nöthling, N., Leutzsch, M., Gordon, C. P., Copéret, C., & Fürstner, A. (2022). An Anionic Dinuclear Ruthenium Dihydrogen Complex of Relevance for Alkyne gem-Hydrogenation. Angewandte Chemie International Edition, 61(24): e202201311. doi:10.1002/anie.202201311.

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 Creators:
Biberger, Tobias1, Author              
Nöthling, Nils2, Author              
Leutzsch, Markus3, Author              
Gordon, Christopher P.4, Author
Copéret, Christophe4, Author
Fürstner, Alois1, Author              
Affiliations:
1Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445584              
2Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445625              
3Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445623              
4Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1–5, 8093 Zürich, Switzerland, ou_persistent22              

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Free keywords: Dihydrogen Complexes; gem-Hydrogenation; Metathesis; NMR Spectroscopy; Ruthenium
 Abstract: During an investigation into the fate of ruthenium precatalysts used for light-driven alkyne gem-hydrogenation reactions with formation of Grubbs-type ruthenium catalysts, it was found that the reaction of [(IPr)(η6-cymene)RuCl2] with H2 under UV-irradiation affords an anionic dinuclear σ-dihydrogen complex, which is thermally surprisingly robust. Not only are anionic σ-complexes in general exceedingly rare, but the newly formed species seems to be the first example lacking any structural attributes able to counterbalance the negative charge and, in so doing, prevent oxidative insertion of the metal centers into the ligated H2 from occurring.

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Language(s): eng - English
 Dates: 2022-01-242022-04-012022-06-13
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/anie.202201311
 Degree: -

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Title: Angewandte Chemie International Edition
  Abbreviation : Angew. Chem., Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 61 (24) Sequence Number: e202201311 Start / End Page: - Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851