Title: Room Temperature Hydrogenation of CO2 Utilizing a Cooperative Phosphorus Pyridone‐Based Iridium Complex

Authors (5): S. Siangwata, A. Hamilton, G. J. Tizzard, S. J. Coles, G. R. Owen

Themes: Circular Economy (2024)

DOI: 10.1002/cctc.202301627

Citations: 0

Pub type: journal-article

Publisher: Wiley

Issue:

License: [{"start"=>{"date-parts"=>[[2024, 2, 20]], "date-time"=>"2024-02-20T00:00:00Z", "timestamp"=>1708387200000}, "content-version"=>"vor", "delay-in-days"=>0, "URL"=>"http://creativecommons.org/licenses/by/4.0/"}]

Publication date(s): 2024/02/20 (online)

Pages:

Volume: Issue:

Journal: ChemCatChem

Link:

URL:

AbstractThe synthesis, characterization and application of a new complex, [Ir(κ2P,N6‐DCyPon*)(COD)] (1), where 6‐DCyPon* is the anionic species, 6‐dicyclohexylphosphino‐2‐oxo‐pyridinide, is reported herein. Complex 1 was found to be an active catalyst in the hydrogenation of CO2 at room temperature. The ligand, 6‐DCyPon*, is derived via deprotonation of a novel pro‐ligand, 6‐DCyPon (6‐dicyclohexylphosphino‐2‐pyridone) during the synthesis of 1. The ligand is shown to participate within the reversible hydrogenation of 1, via a cooperative process, in which the species, [IrH32P,N6‐DCyPon)(COD)] (2), was spectroscopically characterized, where 1 reacts with two equivalents of H2.

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