Oxidation of propenoidic phenols catalysed by N,N'-ethylenebis (salicylideneiminato)cobalt(II) [Colasen]: Reactivity and spectroscopic studies

Ezio Bolzacchini, Luisella Bocchio Chiavetto, Carmen Canevali, Franca Morazzoni, Marco Orlandi, Bruno Rindone

Research output: Contribution to journalArticle

Abstract

Three propenoidic phenols, E-methyl ferulate, E-4-hydroxycinnamic acid methyl ester and E-3-chloro-4-hydroxycinnamic acid methyl ester, were oxidized with dioxygen, in the presence of N,N'- ethylenebis(salicylideneiminato)cobalt(II) [Colasen]. The yields of conversion to oxidized products depended on the reaction solvent and on the substituents on the phenyl ring. EPR and electronic investigations suggest that an organometallic radical acts as the intermediate active species.

Original languageEnglish
Pages (from-to)347-351
Number of pages5
JournalJournal of Molecular Catalysis A: Chemical
Volume112
Issue number3
DOIs
Publication statusPublished - Nov 10 1996

Keywords

  • Cosalen
  • EPR study
  • Oxidation
  • Phenol

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

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