High-valent terminal metal-oxygen adducts are hypothesized to be the potent oxidising reactants in late transition metal oxidation catalysis. In particular, examples of high-valent terminal nickel-oxygen adducts are sparse, meaning there is a dearth in the understanding of such oxidants. Herein we describe the preparation of a family of Ni(III)-oxygen adducts. Electronic absorption, electronic paramagnetic resonance, and X-ray absorption spectroscopies, and density functional theory calculations have been used to probe the electronic and structural properties of these compounds. Structure function relationships in a series of complexes have been elucidated, providing us with critical insight into the reactivity properties of high-valent nickel oxidants.

Tuning the reactivity of high-valent nickel-oxygen adducts for hydrocarbon oxidation

253rd National Meeting (2017)

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