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SbCl5.SiO2: an efficient alternative for one-pot synthesis of 1,2,4,5-tetrasubstituted imidazoles in solvent or under solvent-free condition

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Abstract

In a one-pot four-component reaction, an aldehyde, an amine, benzil and ammonium acetate were condensed for the synthesis of 1,2,4,5-tetrasubstituted imidazoles in the presence of silica supported antimony pentachloride (SbCl5.SiO2) in improved yields. The catalyst is recoverable by simple filtration and can be used in the subsequent reactions.

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Authors and Affiliations

  1. Department of Chemistry, Islamic Azad University, Yazd Branch, P.O. Box 89195-155, Yazd, Iran

    B. Sadeghi, S. Bidaki & M. Ghasemkhani

  2. Department of Chemistry, College of Science, Yazd University, P.O. Box 89195-741, Yazd, Iran

    B. B. F. Mirjalili

Authors
  1. B. Sadeghi
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  2. B. B. F. Mirjalili
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  3. S. Bidaki
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  4. M. Ghasemkhani
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Correspondence to B. Sadeghi.

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Sadeghi, B., Mirjalili, B.B.F., Bidaki, S. et al. SbCl5.SiO2: an efficient alternative for one-pot synthesis of 1,2,4,5-tetrasubstituted imidazoles in solvent or under solvent-free condition. JICS 8, 648–652 (2011). https://doi.org/10.1007/BF03245896

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  • DOI: https://doi.org/10.1007/BF03245896

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