Exploratory studies of iron and cobalt complexes supported by strong-field tripodal (phosphino)borate ligands

Abstract

Recent work within our lab has focused on the coordination chem. of late transition metal complexes supported by the strong-field, tripodal phosphino(borate) ligands [PhB(CH_2PPh_2)_3]- and [PhB(CH_2PiPr_2)_3]-. These platforms have been shown to stabilize a variety of metal oxidn. states and, moreover, a no. of unique coordination compds. featuring metal-nitrogen multiple bonds. With this in mind, the reactivity of low valent iron and cobalt complexes with substrates such as diazoalkanes and elemental phosphorous (P_4) will be presented and avenues to metal-phosphorous and/or metal-carbon multiple bonds will be discussed.

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