Open-shell carbenes, which feature two unpaired electrons on a carbene carbon centre, are highly unstable compounds and are usually observed as excited-state species. Now, two triplet metallocarbenes have been stabilized by transition-metal and silyl substituents; the compounds have been characterized by various techniques including single-crystal X-ray diffraction, spectroscopy and quantum-chemical analyses.
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Rao, J., Deng, L. Triplet metallocarbenes featuring carbon-centred spin localization. Nat. Chem. 16, 1741–1742 (2024). https://doi.org/10.1038/s41557-024-01654-2
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DOI: https://doi.org/10.1038/s41557-024-01654-2
