Abstract
The selected oxidative conversion of a particular molecule to a desire product utilizing the abundant and inexpensive oxidant oxygen often represents a desirable method for upgrading the value of raw material. All too often, of course, this of selective chemistry does not exist. It has been a goal of or research to discover a new catalytic pathways which will permit us to utilize oxygen as a selected oxidant. During our research into better methods of oxidizing waste thioethers and in converting tertiary amine oxides, we discovered that these substrates are subjects to a novel autoxidation process which under high oxygen concentrations, elevated temperatures, and the polar solvents yields almost exclusively the sulfoxide product.1 The mechanism of this unusual autoxidation appears to involve an initial unfavorable electron transfer step (eq. 1), followed by triplet oxygen (in high concentration) trapping the resultant radical cation (eq. 2).2
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© 1988 Plenum Press, New York
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Riley, D.P., Smith, M.R. (1988). Radical Cation Pathways for Selective Catalytic Oxidation by Molecular Oxygen. In: Martell, A.E., Sawyer, D.T. (eds) Oxygen Complexes and Oxygen Activation by Transition Metals. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0955-0_14
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DOI: https://doi.org/10.1007/978-1-4613-0955-0_14
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