Unlike its neighbours on the right-hand side of the periodic table, boron barely forms an anion. A new trick has been established that allows it to do so, enabling a highly unusual complex to be prepared.
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Nozaki, K. Not just any old anion. Nature 464, 1136–1137 (2010). https://doi.org/10.1038/4641136a
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DOI: https://doi.org/10.1038/4641136a
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