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Catalytic behavior of an iron(III) complex containing an N,O-type bidentate oxazoline ligand for selective oxidation of sulfides

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Abstract

The reaction of Fe(acac)3 and 2-(2′-hydroxyphenyl)oxazoline (Hphox) as a bidentate O,N donor ligand afforded a six-coordinated iron(III) complex [Fe(phox)2(acac)] with distorted octahedral configuration. The complex was isolated as an air-stable crystalline solid and characterized by elemental analysis, FTIR, solution electrical conductivity, and by single-crystal X-ray structure analysis. The structure, electronic properties, and vibrational normal modes of the complex were investigated by DFT. The use of this complex as a catalyst for the oxidation of sulfides to their corresponding sulfoxides using urea hydrogen peroxide as the primary oxidant was investigated. The catalyst shows very efficient reactivity, giving high yields and selectivities at room temperature under air.

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Acknowledgments

Authors thank the Research Council of the University of Maragheh (M.A), Semnan University (A. A), and the National Science Foundation (L.K.W) for funding of this work.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, University of Maragheh, P.O. Box. 55181-83111, Maragheh, Iran

    Mojtaba Amini

  2. Chemistry Department, Sharif University of Technology, P.O. Box 11155-3615, Tehran, Iran

    Mostafa Khaksar, Mojtaba Bagherzadeh & Davar M. Boghaei

  3. Department of Chemistry, Semnan University, P.O. Box. 35131-19111, Semnan, Iran

    Ali Arab

  4. Department of Biology, Faculty of Science, University of Maragheh, Maragheh, Iran

    Reza Masoomi Jahandizi

  5. Chemistry Department, Iowa State University, Ames, IA, 50011-3111, USA

    Arkady Ellern & L. Keith Woo

Authors
  1. Mojtaba Amini
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  2. Mostafa Khaksar
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  3. Ali Arab
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  8. L. Keith Woo
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Correspondence to Mojtaba Amini.

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Amini, M., Khaksar, M., Arab, A. et al. Catalytic behavior of an iron(III) complex containing an N,O-type bidentate oxazoline ligand for selective oxidation of sulfides. Transition Met Chem 41, 97–105 (2016). https://doi.org/10.1007/s11243-015-0001-8

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  • DOI: https://doi.org/10.1007/s11243-015-0001-8

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