Palladium(II)-catalyzed oxidation of terminal alkenes to methyl ketones using molecular oxygen
- 31 May 2000
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 12,p. 1915-1918
- https://doi.org/10.1039/b001854f
Abstract
Palladium(II) acetate catalyzes the aerobic oxidation of terminal alkenes in toluene into the corresponding methyl ketones in the presence of a catalytic amount of pyridine using propan-2-ol as a reductant and molecular oxygen as an oxidant. Two catalytic cycles sharing a Pd(II)–OOH species are proposed. One is the formation of a Pd(II)–H species in the oxidation of propan-2-ol to acetone, followed by reaction with molecular oxygen to give a Pd(II)–OOH species, and the other is peroxypalladation of an alkene with the Pd(II)–OOH species produced to afford a methyl ketone in the presence of H2O2 produced by the former catalytic cycle.Keywords
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