Sodium Tungstate Dihydrate-VI

c) Oxidation of alcohols
Secondary alcohols can be converted into the corresponding ketones (83-96% yield) under biphasic conditions (organic/aqueous) using 30% hydrogen peroxide in the presence of sodium tungstate dihydrate as catalyst and an appropriate PTC such as [CH3-(n-C8H17)3N]HSO4. Noyori and co-workers studied several cases with alkyl or aryl groups, namely 2-octanol or 1-phenylethanol, under solvent-free conditions or using toluene as solvent.


 

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