CHAPTER 4: Selective Palladium-Catalysed Aerobic Oxidation of Alcohols
Published:21 Oct 2014
L. J. Durndell, A. F. Lee, D. S. Bailie, and M. J. Muldoon, in Transition Metal Catalysis in Aerobic Alcohol Oxidation, ed. F. Cardona and C. Parmeggiani, The Royal Society of Chemistry, 2014, pp. 92-132.
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Palladium has a significant track record as a catalyst for a range of oxidation reactions and it has been explored for the selective oxidation of alcohols for many years. This chapter focuses on the two main types of aerobic Pd catalysts: heterogeneous and ligand-modulated systems. In the case of heterogeneous systems, the mechanistic understanding of these systems and the use of in situ and operando techniques to obtain this knowledge are discussed. The current state-of-the-art is also summarized in terms of catalytic performance and substrate scope for heterogeneous Pd-based catalysts. In terms of ligand-modulated systems, leading examples of molecular Pd(ii) catalysts which undergo direct O2 coupled turnover are highlighted. The catalyst performance for such catalysts is exemplified and mechanistic understanding for these molecular systems is discussed.