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

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Abstract

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
Volume41
Issue number3
DOIs
Publication statusPublished - 1987

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Pyridine
Reaction rates
Copper
Oxidation
Kinetics
Substrates

ASJC Scopus subject areas

  • Engineering(all)

Cite this

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title = "Preparation of 2-substituted benzoxazoles from phenolic schiff bases by copper(I) chloride-catalyzed oxidation with dioxygen in pyridine",
abstract = "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.",
author = "G. Speier",
year = "1987",
doi = "10.1016/0304-5102(87)80104-9",
language = "English",
volume = "41",
pages = "253--260",
journal = "Journal of Molecular Catalysis",
issn = "0304-5102",
publisher = "Elsevier BV",
number = "3",

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T1 - Preparation of 2-substituted benzoxazoles from phenolic schiff bases by copper(I) chloride-catalyzed oxidation with dioxygen in pyridine

AU - Speier, G.

PY - 1987

Y1 - 1987

N2 - 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.

AB - 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.

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U2 - 10.1016/0304-5102(87)80104-9

DO - 10.1016/0304-5102(87)80104-9

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VL - 41

SP - 253

EP - 260

JO - Journal of Molecular Catalysis

JF - Journal of Molecular Catalysis

SN - 0304-5102

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