AI Article Synopsis
- * This system operates effectively under protic conditions, achieving a turnover frequency (TOF) of 15 seconds and complete selectivity for CO.
- * The mechanism involves PhBPO interacting with the chromium catalyst, which helps facilitate electron transfer and lowers the energy needed for breaking a carbon-oxygen bond.
Article Abstract
We report a co-electrocatalytic system for the selective reduction of CO to CO, comprised of a previously reported molecular Cr complex and 5-phenylbenzo[]phosphindole-5-oxide (PhBPO) as a redox mediator. Under protic conditions, the co-electrocatalytic system attains a turnover frequency (TOF) of 15 s and quantitative selectivity for CO. It is proposed that PhBPO interacts with the Cr-based catalyst, coordinating in an axial position to an intermediate hydroxycarbonyl species, M-COH, mediating electron transfer to the catalyst and lowering the barrier for C-OH bond cleavage.
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| http://dx.doi.org/10.1039/d3cc00166k | DOI Listing |
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