The oxidation state of boron is three in most of the common monometallic boron species BX3, where X stands for elements with lower electronegativity than boron, such as carbon, nitrogen, oxygen, or halogen atoms.  We came interested in new boron species having lower oxidation state which can be generated by reducing boron�halogen bonds with alkali metals.  Thus, we prepared boryl anion as the first example of isolated boron nucleophile and developed several nucleophilic addition or substitution reactions by the boryl anions.  Here in this presentation, we report the reactivity of the boryl anion as a base.  The presentation also includes generation and reactivity of new boryl radicals which have low-oxidation state at the boron centers.

Synthesis and properties of low-oxidation state boron compounds

247th National Meeting (2014)

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