A rugged lead-ruthenate pyrochlore membrane catalyst for highly selective oxidation of alcohols

Venkatesan, Annamalai Senthil Kumar, Jyh Myng Zen

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A rugged lead-ruthenate pyrochlore (Py, Pb2Ru2O7) 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 CH2Cl2(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 (RuO4-) intermediate was responsible for selective mediation of the alcohol oxidation.

Original languageEnglish
Pages (from-to)87-93
Number of pages7
JournalJournal of Molecular Catalysis A: Chemical
Volume250
Issue number1-2
DOIs
Publication statusPublished - 2006 May 2

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Process Chemistry and Technology
  • Physical and Theoretical Chemistry

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