Nano-Silica Phosphoric Acid: An Efficient Catalyst for One-Pot Synthesis of Tetrahydrobenzo[a]xanthenes-11-one Under Solvent- Free or Sonication Conditions

Authors

  • A. Bamoniri Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, I. R. Iran
  • B. F. Mirjalili Department of Chemistry, College of Science, Yazd University, Yazd, PO Box 89195-741, I. R. Iran
  • S. Nazemian Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, I. R. Iran
Abstract:

Two simple protocols for the synthesis of tetrahydrobenzo[a]xanthenes-11-ones using nano silica phosphoric acid are reported. Short reaction times, high yields, reusability of catalyst and easy workup are some advantages of these protocols.

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Journal title

volume 2  issue 4

pages  433- 439

publication date 2012-12-01

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