The Synergy of Combined Use of DMSO and Bronsted Acid (Ionic Liquid) as a Catalyst Part I: Efficient Niementowski Synthesis of Modified Quinazolinones

  • Kathiravan M
  • Jalnapurkar R
  • Chitre T
  • et al.
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Abstract

A new rapid and versatile approach using Ionic liquid/DMSO as a chemical reagent for the synthesis of fused heterocyclic compounds in a highly efficient way is described. This method offers the advantages of proceeding in neutral conditions, giving high to excellent isolated yields (83–92%) for Niementowski synthesis with easy workup procedure. The inherent Bronsted acidity of ionic liquid and high polarity of both IL and DMSO resulted in a significant enhancement in the reaction rate.

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Kathiravan, M. K., Jalnapurkar, R. R., Chitre, T. S., Tamboli, R. S., & Srinivasan, K. V. (2011). The Synergy of Combined Use of DMSO and Bronsted Acid (Ionic Liquid) as a Catalyst Part I: Efficient Niementowski Synthesis of Modified Quinazolinones. Green and Sustainable Chemistry, 01(01), 12–18. https://doi.org/10.4236/gsc.2011.11003

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