A chemoselective osmium(VI) catalyzed oxidation of benzylic, allylic and propargylic alcohols using K3Fe(CN)6 as a secondary oxidant is described. This protocol is operationally simple and exhibits excellent chemoselectivity favouring the oxidation of benzylic alcohols over the aliphatic alcohols. A larger scale reaction was also found to be compatible.
R. A. Fernandes and V. Bethi, RSC Adv., 2014, 4, 40561 DOI: 10.1039/C4RA07500E
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