Preparation of 2-substituted benzoxazoles from phenolic schiff bases by copper(I) chloride-catalyzed oxidation with dioxygen in pyridine

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N-alkylidene-2-hydroxyanilines are oxidized by dioxygen to 2-substituted benzoxazoles in good yields when initiated by copper(I) chloride in pyridine. The overall rate of dioxygen consumption obeys second-order kinetics. The reaction rate is independent of the substrate concentration, indicating that the oxidation of Cu(I) is rate-limiting.

Original languageEnglish
Pages (from-to)253-260
Number of pages8
JournalJournal of molecular catalysis
Issue number3
Publication statusPublished - Aug 1987


ASJC Scopus subject areas

  • Engineering(all)

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