SILICA SULFURIC ACID/KBrO₃/WET SiO₂ AS AN EFFICIENT HETEROGENEOUS SYSTEM FOR THE OXIDATION OF ALCOHOLS UNDER MILD CONDITIONS

BiBi Fatemeh Mirjalili,^a Mohammad Ali Zolfigol,*^b Abdolhamid Bamoniri,^c Zahra Zaghaghi,^a and Azizeh Hazar^a

^a Department of Chemistry, College of Science, Yazd University, Yazd. P.O. Box. 89195-741, Iran.

^b Department of Chemistry, College of Science, Bu-Ali Sina University, Hamadan. Zip Code 65174,
P.O. Box 4135, Iran, E-mail: Zolfi@basu.ac.ir.

^c Department of Chemistry, College of Science, Kashan University, Kashan, Zip Code 51167, Iran.

Abstract

A combination of silica sulfuric acid and potassium bromate in the presence of wet SiO₂ were used as an effective oxidizing agent for the oxidation of alcohols to their corresponding aldehyde or ketone derivatives in dichloromethane, acetonitrile or toluene with good yields.