Low‐valent Germanylidene Anions : Efficient Single‐site Nucleophiles for Activation of Small Molecules
Gendy, C., Rautiainen, J. M., Mailman, A., & Tuononen, H. M. (2021). Low‐valent Germanylidene Anions : Efficient Single‐site Nucleophiles for Activation of Small Molecules. Chemistry : A European Journal, 27(58), 14405-14409. https://doi.org/10.1002/chem.202102804
Published inChemistry : A European Journal
DisciplineEpäorgaaninen ja analyyttinen kemiaNanoscience CenterEpäorgaaninen kemiaInorganic and Analytical ChemistryNanoscience CenterInorganic Chemistry
© 2021 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH.
Rare mononuclear and helical chain low-valent germanylidene anions supported by cyclic (alkyl)(amino) carbene and hypermetallyl ligands were synthesized by stepwise reduction from corresponding germylene precursors via stable acyclic germanium radicals. The germanylidene anions can be described with ylidene and ylidone resonance forms of which the latter becomes prevalent when engaging with electrophiles. Reactions of CO 2 resulted in the formation of μ-CO 2 -κC:κO adducts, a previously uncharacterized coordination mode for low-valent germanium and inaccessible for related neutral ylidones. These results implicate low-valent germanylidene anions as efficient single-site nucleophiles for activation of small molecules.
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Additional information about fundingFinancial support for this work was provided by the University of Jyväskylä. This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement #772510 to H.M.T). Computational resources were provided by the Finnish Grid and Cloud Infrastructure (persistent identifier urn:nbn:fi:research-infras-2016072533). ...
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