An Iron(III) Iodosylbenzene Complex: A Masked Non-Heme Fe~VO

摘要

Iodosylarenes are an important class of oxygen atom transfer reagents in organic synthesis, and they are often used in conjunction with transition-metal-based catalysts. These are most commonly iron and manganese porphyrin, Mn-corrole,Mn-corrolazinato, and Mn-salen complexes, and even cytochrome P450.Hypervalent metal-oxo complexes that relay the oxygen atom from the iodosy-larene donor to the substrate acceptor are most commonly invoked as the active oxidants in these catalytic mechanisms. Accordingly iodsosylarenes have been used in the preparation of hypervalent metal-oxo complexes. No metal-com-plexed iodosylarene has been structurally characterized in the solid state; however, the isolation of a reactive iodosylbenzene complex of Mn-porphyrin was reported nearly 30 years ago.