A1 Journal article (refereed)
An isolable, chelating bis[cyclic (alkyl)(amino)carbene] stabilizes a strongly bent, dicoordinate Ni(0) complex (2024)

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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Publication details

All authors or editors: Puerta Lombardi, Braulio M.; Faas, Morgan R.; West, Daniel; Suvinen, Roope A.; Tuononen, Heikki M.; Roesler, Roland

Journal or series: Nature Communications

eISSN: 2041-1723

Publication year: 2024

Publication date: 23/04/2024

Volume: 15

Article number: 3417

Publisher: Nature Publishing Group

Publication country: United Kingdom

Publication language: English

DOI: https://doi.org/10.1038/s41467-024-47036-7

Publication open access: Openly available

Publication channel open access: Open Access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/94825

Publication is parallel published: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11039645/

Abstract

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.

Keywords: coordination complexes; ligands; chemical synthesis

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Ministry reporting: Yes

Reporting Year: 2024

Preliminary JUFO rating: 3