Research Article

Bulk and supported tungstophosphoric acid as friendly, efficient, recyclable catalysts for the synthesis of bis-indolylmethanes under solvent-free conditions

  1. Hamid Aliyan*,
  2. Razieh Fazaeli*,
  3. Hamid Javaherian Naghash,
  4. Ahmad Reza Massah,
  5. Ahmad Reza Momeni,
  6. Zohreh Iravani

Article first published online: 22 OCT 2009

DOI: 10.1002/hc.20554

Issue

Heteroatom Chemistry

Heteroatom Chemistry

Volume 20, Issue 6, pages 325–331, 2009

Additional Information

How to Cite

Aliyan, H., Fazaeli, R., Naghash, H. J., Massah, A. R., Momeni, A. R. and Iravani, Z. (2009), Bulk and supported tungstophosphoric acid as friendly, efficient, recyclable catalysts for the synthesis of bis-indolylmethanes under solvent-free conditions. Heteroatom Chemistry, 20: 325–331. doi: 10.1002/hc.20554

Author Information

  1. Department of Chemistry, Islamic Azad University, Shahreza Branch, Shahreza 86145-311, Iran

*Department of Chemistry, Islamic Azad University, Shahreza Branch, Shahreza 86145-311, Iran

Publication History

  1. Issue published online: 13 NOV 2009
  2. Article first published online: 22 OCT 2009
  3. Manuscript Revised: 3 JUN 2009
  4. Manuscript Received: 15 DEC 2008

Funded by

  • Islamic Azad University, Shahreza Branch. Grant Number: 86145-311

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Abstract

The treatment of indole with structurally diverse aldehydes in the presence of catalytic amount of inorganic-supported polyoxometalates, heterogeneous, reusable and efficient catalysts at room temperature gave the corresponding bis-indolylmethanes in excellent yields and shorter reaction times under solvent-free conditions. The catalyst can be reused for several times, but it will be less active. © 2009 Wiley Periodicals, Inc. Heteroatom Chem 20:325–331, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20554

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