p-Toluenesulfonic acid a useful and selective reagent for the oxidation of benzoins to benziles under solvent-free condition

Pesyan, Nader Noroozi; Abdul Hossein Dabbagh, Abdul Hossein

Manuscript ID : 517443 Visit : 421 Page: 123 - 127

Article Type: Original Research

p-Toluenesulfonic acid a useful and selective reagent for the oxidation of benzoins to benziles under solvent-free condition

Subject Areas : Journal of the Iranian Chemical Research

Nader Noroozi Pesyan ^{1
*} , Abdul Hossein Abdul Hossein Dabbagh ²

1 - Department of Chemistry, Faculty of Science, Urmia University, Urmia, Iran
2 - College of Chemistry, Isfahan University of Technology, Isfahan, Iran

Received: 2008-05-31 Accepted : 2008-12-28 Published : 2008-01-20

Keywords: Solvent-free, Benzoins, Benziles, α-Diketones, p-Toluenesulfonic acid (PTSA),

Abstract :

Oxidation of some benzoins to benziles is reported by using p-toluenesulfonic acid as aselective oxidation catalyst under solvent-free condition in high yield. The adjacent carbonylgroup is necessary for the oxidation of hydroxyl group in these compounds. The reaction iscarried out in a sand-bath at 100 °C with minimum by-products.

References:

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p-Toluenesulfonic acid a useful and selective reagent for the oxidation of benzoins to benziles under solvent-free condition