Bioinspired Heterobimetallic Photocatalyst ( Ru II chrom −Fe III cat ) for Visible-Light-Driven C–H Oxidation of Organic Substrates via Dioxygen Activation
Abstract
We report a bioinspired heterobimetallic photocatalyst Ru$^{II}_{chrom}$−Fe$^{III}_{cat}$ and its relevant applications toward visible light-driven C−H bond oxidation of a series of hydrocarbons using O$_2$ as the O-atom source. The RuII center absorbs visible light near 460 nm and triggers a cascade of electrons to FeIII to afford a catalytically active high-valent FeIV=O species. The in situ formed FeIV=O has been employed for several high-impact oxidation reactions in the presence of triethanolamine (TEOA) as the sacrificial electron donor.
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