Sodium Tungstate Dihydrate-VIII

d) Oxidation of amines (primary amines to hydroxylamines and nitro derivates and secondary amines to nitrones)
Sodium tungstate dihydrate catalyzes the oxidation of primary amines to the corresponding N-monoalkylhydroxylamines, important biologically active compounds, in the presence of UHP (urea-hydrogen peroxide adduct). This method can be applied for several primary amines, including chiral benzylic amines, α-1,2-hydroxylamines and α-amino esters, yields ranging from 65% to 80%.


 

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