Iron-catalysed chemo-selective oxidation of unprotected sugars: application for the competitive oxidation of pentoses from a sugar mixture - Normandie Université Accéder directement au contenu
Article Dans Une Revue Green Chemistry Année : 2022

Iron-catalysed chemo-selective oxidation of unprotected sugars: application for the competitive oxidation of pentoses from a sugar mixture

Résumé

An iron-catalysed transfer hydrogenation methodology was developed to oxidise aldo-hexoses and -pentoses into sugar lactones using different acceptors. The transformation occurs on unprotected sugars with complete chemo-selectivity for the anomeric position. An application for the competitive oxidation of pentose from a mixture of C5 and C6 sugars is also reported. Finally, we managed to perform the oxidation of xylose with only an equimolar amount of a carefully chosen acceptor, improving drastically the sustainability of the transformation without compromising the equilibrium shift.

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Chimie
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hal-04343305 , version 1 (13-12-2023)

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David Branquet, Mohamed Vall Sidi Boune, Nicolas Hucher, Catherine Taillier, Vincent Dalla, et al.. Iron-catalysed chemo-selective oxidation of unprotected sugars: application for the competitive oxidation of pentoses from a sugar mixture. Green Chemistry, 2022, Green CHemistry, 24 (19), pp.7682-7688. ⟨10.1039/D2GC02606F⟩. ⟨hal-04343305⟩
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