Pd/C and NaBH₄ in Basic Aqueous Alcohol: An Efficient System for an Environmentally Benign Oxidation of Alcohols

Gwangil An, Hyunseok Ahn, Kathlia A. De Castro, Hakjune Rhee*

*Department of Chemistry and Applied Chemistry, Hanyang University, Ansan Sa 1-Dong 1271, Kyunggi-Do 426-791, Korea, Email: hrheehanyang.ac.kr

G. An, H. Ahn, K. A. De Castro, H. Rhee, Synthesis, 2010, 477-485.

DOI: 10.1055/s-0029-1217115

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Abstract

Pd/C along with NaBH₄ in aqueous ethanol or methanol and either K₂CO₃ or KOH as base at room temperature under molecular oxygen or air is capable of oxidizing alcohols to its desired carbonyl or carboxyl counterpart. Room temperature reaction in aqueous system and recyclability of the catalyst make the process safe and cheaper.

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Environmentally Benign Oxidation Reaction of Benzylic and Allylic Alcohols to Carbonyl Compounds Using Pd/C with Sodium Borohydride

G. An, M. Lim, K.-S. Chun, H. Rhee, Synlett, 2007, 95-98.

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Key Words

palladium, oxidations, carboxylic acids, alcohols, sodium borohydride, oxygen

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ID: J66-Y2010-0370