Several structurally differentiated N,N-dialkylhydroxylamines were oxidised to the corresponding nitrones using MnO2. Manganese dioxide revealed an efficient and mild reagent for oxidation of hydroxylamines, showing a level of regioselectivity comparable to HgO. Its non-toxicity makes MnO2 the reagent of choice for replacing HgO in this oxidation.
Manganese Dioxide Oxidation of Hydroxylamines to Nitrones / S. Cicchi; M. Marradi; A. Goti; A. Brandi. - In: TETRAHEDRON LETTERS. - ISSN 0040-4039. - STAMPA. - 42:(2001), pp. 6503-6505. [10.1016/S0040-4039(01)01222-9]
Manganese Dioxide Oxidation of Hydroxylamines to Nitrones
CICCHI, STEFANO;MARRADI, MARCO;GOTI, ANDREA;BRANDI, ALBERTO
2001
Abstract
Several structurally differentiated N,N-dialkylhydroxylamines were oxidised to the corresponding nitrones using MnO2. Manganese dioxide revealed an efficient and mild reagent for oxidation of hydroxylamines, showing a level of regioselectivity comparable to HgO. Its non-toxicity makes MnO2 the reagent of choice for replacing HgO in this oxidation.
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