Abstract
A rugged lead-ruthenate pyrochlore (Py, Pb 2Ru 2O 7) Nafion 417 membrane catalyst (|NPy|) has been demonstrated for highly efficient and fully selective oxidation of primary and secondary alcohols to aldehydes and ketones. Under a triphasic condition of CH 2Cl 2(org)//|NPy| (s)//NaOCl-pH 11 (aq), the |NPy| can be recycled and reused effectively on oxidations of alcohols. Using a same piece of |NPy|, similar reaction yields were obtained by repeating benzyl alcohol oxidation reaction for 20 times. Electrochemical mechanistic investigation indicated that the perruthenate ion (RuO 4 −) intermediate was responsible for selective mediation of the alcohol oxidation.
Published Version
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