Synthesis of 2-Substitued Benzimidazoles Using P2O5-SiO2

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  • Ahmad Reza Momeni1,
  • Somayeh Bagheri2,
  1. Department of Chemistry, Faculty of Science, Shahrekord University, Shahrekord, Iran.
  2. Faculty of Science, Shahreza Branch Islamic Azad University, 86145-311, Iran

Published in Issue 2024-02-03

How to Cite

Momeni, A. R., & Bagheri, S. (2024). Synthesis of 2-Substitued Benzimidazoles Using P2O5-SiO2. Iranian Journal of Catalysis, 2(1). https://oiccpress.com/ijc/article/view/3718

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Abstract

P2O5-SiO2 (30% w/w) was found to be a useful catalyst for the synthesis of various 2-substituted aryl benzimidazoles under solvent-less and in solvent conditions from o-phenylenediamine and aldehydes. The products were directly recrystallized from methanol.

Keywords

  • Benzimidazole,
  • o-Phenylenediamine,
  • P2O5.SiO2,
  • Solvent-free,
  • Supported catalyst.
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