In situ electrochemical-ATR-FTIR spectroscopic studies on solution phase 2,4,6-tri-substituted phenoxyl radicals
2,4,6-Tri-tert-butylphenolate and 2,6-di-tert-butyl-4- methoxyphenolate (prepared by reacting the corresponding phenols with dry Et4NOH) were oxidised by one-electron in CH3CN at room temperature (with 0.2 M Bu4NPF6 as the supporting electrolyte) in a controlled potential electrolysis cell at negative potentials (-0.68 to -0.84 V vs. Fc/Fc+ (Fc = ferrocene)) to produce moderately stable phenoxyl radicals. The oxidation reaction was monitored using in situ FTIR spectroscopy between 1800-1000...[Show more]
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