Bimetallic Palladium Catalysis: Direct Observation of Pd(III)–Pd(III) Intermediates
Powers, David C.
Geibel, Matthias A. L.
Klein, Johannes E. M. N.
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CitationPowers, David C., Matthias A. L. Geibel, Johannes E. M. N. Klein, and Tobias Ritter. 2009. Bimetallic palladium catalysis: Direct observation of Pd(III)–Pd(III) intermediates. Journal of the American Chemical Society 131(47): 17050–17051.
Abstract\(PhI(OAc)_2\) is a common oxidant for Pd-catalyzed C−H bond functionalizations. Mechanistic hypotheses since the 1960s have suggested a Pd(II)/Pd(IV) mechanism. Here we present evidence for the relevance of bimetallic Pd(III) complexes to catalysis. A bimetallic Pd(III) acetate was isolated and can afford product by bimetallic reductive elimination.
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