The synthesis, characterization, and reactivity of N,O-chelated amidate and phosphoramidate complexes of rhodium and iridium will be discussed. These complexes are hemilabile in solution, allowing for E-H (E = B, C, Si) bond capture and/or subsequent activation (depending on the nature of E). We have found that these ligands allow for cooperative metal-ligand E-H bond activation, allowing for controlled product release in the presence of an unsaturated substrate. Recent advances in the characterization of such intermediates, including E-H agostic complexes, as well as efforts to render such processes catalytic will be presented.

N,O-chelates becoming unhinged. New perspectives in metal-ligand cooperativity

251st National Meeting (2016)

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