Modulating alkene reactivity from oxygenation to halogenation via electrochemical O₂ activation by Mn porphyrin
2021
Kostopoulos, Nikolaos | Banse, Frédéric | Fave, Claire | Anxolabéhère-Mallart, Elodie
Oxidation of organic substrates is achieved in nature under mild conditions thanks to metalloenzymes but remains a challenge for chemists. Herein we show by UV-Vis spectroelectrochemistry that when MnᴵᴵᴵTPPCl is electrochemically reduced to Mnᴵᴵ in CH₂Cl₂ under O₂, a MnᴵᴵO₂˙ species is generated. Benzoic anhydride reacts with the latter triggering a catalytic current in cyclic voltammetry. Electrolysis on the catalytic wave in the presence of cyclooctene leads to its oxygenation or halogenation depending on the axial ligand present as reported here for the first time.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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