Molecular Diversity

, Volume 12, Issue 3–4, pp 181–185 | Cite as

A three component one-pot procedure for the synthesis of [1,2,4]triazolo/benzimidazolo-quinazolinone derivatives in the presence of H6P2W18O62 · 18H2O as a green and reusable catalyst

  • Majid M. Heravi
  • Leila Ranjbar
  • Fatemeh Derikvand
  • Behnoush Alimadadi
  • Hossien A. Oskooie
  • Fatemeh F. Bamoharram
Short Communication


A rapid and efficient one-pot method for the synthesis of quinazolinone derivatives and related heterocycles by condensation of 2-amino benzimidazole and 3-amino-1,2,4-triazole, as amine sources, with dimedone and different aldehydes in the presence of H6P2W18O62 · 18H2O as a green and reusable catalyst in refluxing acetonitrile has been developed.


Quinazolinones 2-Aminobenzimidazole 3-Amino-1,2,4-triazole Heteropolyacids Reusable catalysts 


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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Majid M. Heravi
    • 1
  • Leila Ranjbar
    • 1
  • Fatemeh Derikvand
    • 1
  • Behnoush Alimadadi
    • 1
  • Hossien A. Oskooie
    • 1
  • Fatemeh F. Bamoharram
    • 2
  1. 1.Department of Chemistry, School of SciencesAzzahra UniversityVanak, TehranIran
  2. 2.Department of ChemistryIslamic Azad University–Mashhad BranchMashhadIran

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