Catalytic Aerobic Oxidation by a Trianionic Pincer CrIII/CrV Couple
Inorganic Chemistry2009Vol. 48(23), pp. 10901–10903
Citations Over TimeTop 10% of 2009 papers
Matthew E. O’Reilly, J.M. Falkowski, V. Ramachandran, Mekhala Pati, Khalil A. Abboud, Naresh S. Dalal, Thomas Gray, Adam S. Veige
Abstract
Aerobic oxidation that incorporates both O atoms into a substrate (PPh(3)) is achieved by employing a Cr(III)/Cr(V)[triple bond]O catalytic couple. A terphenyl trianionic pincer ligand stabilizes a high oxidation state Cr(V)[triple bond]O complex, and both the reduced (Cr(III), IR/X-ray) and oxidized (Cr(V)[triple bond]O, electron paramagnetic resonance/IR/X-ray) participants in the catalytic cycle are characterized.
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