Abstract
Abstract[Ru(bpyPO3H2)(bpy)Cl]Cl (bpyPO3H2=6,6’‐bipyridin‐2‐yl)phosphonic acid) and [Ru(tpy)(MepyPO3H2)Cl]Cl (MepyPO3H2=(pyridin‐2‐ylmethyl)phosphonic acid) were synthesized and characterized spectroscopically and electrochemically. Each compound was found to exhibit proton‐coupled electron transfer (PCET). In the case of [Ru(bpyPO3H2)(bpy)Cl]Cl, a Ru(V/IV) couple was detected at 1.4 V vs. NHE. Each complex was tested for its ability to catalyze C−H bond oxidation using a variety of sacrificial oxidants, and it was found that under aqueous conditions [Ru(bpyPO3H2)(bpy)Cl]Cl oxidizes secondary C−H bonds using sodium periodate (NaIO4) as the primary oxidant.
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