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

Author

Listed:
  • Braulio M. Puerta Lombardi

    (University of Calgary, 2500 University Drive NW)

  • Morgan R. Faas

    (University of Calgary, 2500 University Drive NW)

  • Daniel West

    (University of Calgary, 2500 University Drive NW)

  • Roope A. Suvinen

    (University of Jyvӓskylӓ)

  • Heikki M. Tuononen

    (University of Jyvӓskylӓ)

  • Roland Roesler

    (University of Calgary, 2500 University Drive NW)

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.

Suggested Citation

  • Braulio M. Puerta Lombardi & Morgan R. Faas & Daniel West & Roope A. Suvinen & Heikki M. Tuononen & Roland Roesler, 2024. "An isolable, chelating bis[cyclic (alkyl)(amino)carbene] stabilizes a strongly bent, dicoordinate Ni(0) complex," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47036-7
    DOI: 10.1038/s41467-024-47036-7
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    1. Yuqiang Li & Yixin Luo & Long Peng & Yangyang Li & Binzhi Zhao & Wang Wang & Hailiang Pang & Yi Deng & Ruopeng Bai & Yu Lan & Guoyin Yin, 2020. "Reaction scope and mechanistic insights of nickel-catalyzed migratory Suzuki–Miyaura cross-coupling," Nature Communications, Nature, vol. 11(1), pages 1-13, December.
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