A new silica-based Pd(II) interphase catalyst 2 efficiently catalyzes the aerobic oxidation of various types of structurally diverse alcohols to the corresponding carbonyl compounds. The catalyst is also quite effective for the oxidation of primary benzylic alcohols under atmospheric pressure of air. The catalyst shows high thermal stability (up to 200 °C) and is also stable under the oxidation reaction conditions. To our knowledge this work is the first example of the application of a palladium complex covalently anchored to silica for the aerobic oxidation of alcohols.
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Karimi et al. (2005) studied this question.