Polyaniline-Supported Vanadyl Acetylacetonate for Oxidation of Alcohols

Chemfiles Volume 5 Article 11

The oxidation of alcohols to aldehydes and ketones is one of the most important and frequently used transformations in organic chemistry.1 Most oxidizing reagents that have been developed require stoichiometric quantities and laborious workup. To improve the atom economy of such reactions, the development of catalytic systems with molecular oxygen as the primary oxidant in the presence of transition metal catalysts have been in focus in recent years. Polyaniline-supported VO(acac)2 has been described to catalyze efficiently the oxidation of alcohols to aldehydes and ketones in high yields with molecular oxygen in toluene at ca. 100 °C.2 The protocol does not require base and the catalyst can be recycled without loss of activity.

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Materials

     

References

  1. Sheldon, R. A.; Kochi, J. K. Metal-Catalyzed Oxidations of Organic Compounds; Academic Press: New York, 1981.
  2. Rajasekhara Reddy, S.; Das, S.; Punniyamurthy, T. Tetrahedron Lett. 2004, 45, 3561.

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