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Epoxidation of natural propenylbenzenes catalyzed by [FeIII(Salen)Cl] and [FeIII(TPP)Cl]

Authors
Journal
Catalysis Communications
1566-7367
Publisher
Elsevier
Publication Date
Volume
8
Issue
7
Identifiers
DOI: 10.1016/j.catcom.2006.10.013
Keywords
  • Epoxidation
  • Propenylbenzenes
  • Iron Complexes
  • Biomimetic Catalysts

Abstract

Abstract Epoxidation of natural propenylbenzenes (safrol, isosafrol, anethol, eugenol and isoeugenol) was carried out using iron complexes as catalysts ([Fe III(TPP)Cl] and [Fe III(Salen)Cl] · H 2O, where TPP = 5, 10, 15, 20-meso-tetraphenylporphyrin and Salen = N, N′-(salicylaldehyde)ethylenediamine) in presence of hydrogen peroxide 30% and glacial acetic acid. Reaction products were identified by gas chromatography and satisfactory yields were obtained. Quantitative conversion of isosafrol to the corresponding epoxide was achieved in presence of [Fe III(TPP)Cl] as catalyst.

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