Monomeric stibine oxide has remained elusive due to the large antimony orbitals coupled with a high electronegativity difference with oxygen. Now, a free tris(2,6-diisopropylphenyl)stibine oxide has been isolated that can act as oxo-transfer reagent.
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Majumdar, M. A discrete antimony(v) oxide. Nat. Chem. 15, 593–594 (2023). https://doi.org/10.1038/s41557-023-01191-4
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DOI: https://doi.org/10.1038/s41557-023-01191-4
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