Synthesis and reactivity of iron and cobalt complexes supported by new amido-polyphosphine hybrid ligands

Abstract

Mixed amide-phosphine hybrid ligands have been shown to support a wide range of transformations on early transition metals, but their coordination chem. with later first-row transition metals has been less explored. Inspired by the versatility of poly(phosphino)borate ligands, we have developed several new monoanionic amido-polyphosphine hybrid ligands to support small mol. activation and group transfer reactions on iron and cobalt. The ability of these ligands to stabilize low-valent iron and cobalt species will be discussed as well as preliminary investigations into their propensity to support low- to mid-valent group transfer reactivity.

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