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Copper(I)-α-Ketocarboxylate Complexes: Characterization and O2 Reactions That Yield Copper-Oxygen Intermediates Capable of Hydroxylating Arene

Published inJournal of the American Chemical Society, vol. 129, no. 46, p. 14190-14192
Publication date2007
Abstract

A series of copper(I)−α-ketocarboxylate complexes have been prepared and shown to exhibit variable coordination modes of the α-ketocarboxylate ligand. Reaction with O2 induces decarboxylation of this ligand, and the derived copper−oxygen intermediate(s) has been intercepted, resulting in hydroxylation of an arene substituent on the supporting N-donor ligand. Theoretical calculations have provided intriguing mechanistic notions for the process, notably implicating hydroxylation pathways that involve novel [CuI−OOC(O)R] and [CuII−O-• ↔ CuIIIO2-]+ species.

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Citation (ISO format)
HONG, Sungjun et al. Copper(I)-α-Ketocarboxylate Complexes: Characterization and O2 Reactions That Yield Copper-Oxygen Intermediates Capable of Hydroxylating Arene. In: Journal of the American Chemical Society, 2007, vol. 129, n° 46, p. 14190–14192. doi: 10.1021/ja0760426
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ISSN of the journal0002-7863
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