An isolable, chelating bis[cyclic (alkyl)(amino)carbene] stabilizes a strongly bent, dicoordinate Ni(0) complex
Puerta Lombardi, B. M., Faas, M. R., West, D., Suvinen, R. A., Tuononen, H. M., & Roesler, R. (2024). An isolable, chelating bis[cyclic (alkyl)(amino)carbene] stabilizes a strongly bent, dicoordinate Ni(0) complex. Nature Communications, 15, Article 3417. https://doi.org/10.1038/s41467-024-47036-7
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2024Copyright
© The Author(s) 2024
Chelating ligands have had a tremendous impact in coordination chemistry and catalysis. Notwithstanding their success as strongly σ-donating and π-accepting ligands, to date no chelating bis[cyclic (alkyl)(amino)carbenes] have been reported. Herein, we describe a chelating, C2-symmetric bis[cyclic (alkyl)(amino)carbene] ligand, which was isolated as a racemic mixture. The isolation and structural characterization of its isostructural, pseudotetrahedral complexes with iron, cobalt, nickel, and zinc dihalides featuring eight-membered metallacycles demonstrates the binding ability of the bis(carbene). Reduction of the nickel(II) dibromide with potassium graphite produces a dicoordinate nickel(0) complex that features one of the narrowest angles measured in any unsupported dicoordinate transition metal complexes.
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https://converis.jyu.fi/converis/portal/detail/Publication/213517881
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ERC Consolidator Grant
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
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Financial support was provided by the Universities of Calgary and Jyväskylä, as well as the Natural Sciences and Engineering Research Council of Canada (NSERC) in the form of Discovery Grant #2019-07195 to R.R. The project received funding from the European Research Council under the EU’s Horizon 2020 programme (grant #772510 to H.M.T.).License
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