KMnO4-Mediated Oxidation as a Continuous Flow Process
Jörg Sedelmeier*, Steven V. Ley*, Ian R. Baxendale and Marcus Baumann*
*Innovative Technology Centre, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K., Email: theitcch.cam.ac.uk
J. Sedelmeier, S. V. Ley, I. R. Baxendale, M. Baumann, Org. Lett., 2010, 12, 3618-3621.
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In an efficient and easily scalable continuous flow transformation of alcohols and aldehydes to carboxylic acids and nitroalkane derivatives to the corresponding carbonyls and carboxylic acids using permanganate as the oxidant, the generation and downstream processing of MnO2 slurries was not found to cause any blocking of the reactor when ultrasound pulses were applied to the flow system.
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Nef Reaction, Carboxylic Acids, Potassium Permanganate, Flow Chemistry