One-step synthesis of N-protected glycosylamines from sugar hemiacetals

Protected pentofuranose, hexofuranose and hexopyranose hemiacetals were found to react efficiently with amines carrying a deactivating group (alkoxycarbonyl, tosyl or phosphoryl group) in the presence of a Lewis acid to give the corresponding, stable glycosylamines. Such glycosylamine derivatives are useful substrates for further elaboration into nitrogen-containing natural products and carbohydrate mimetics.

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