DDQ‐Mediated Regioselective de‐O‐Benzylation of Pyranosides Stilted by a 4,6‐O‐(2‐Phenylsulfonyl)ethylidene (PSE) Clip.

Abstract

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Selective oxidative debenzylation of mono- and oligosaccharides in the presence of azides

“…Under both conditions azide 3 was completely stable (Scheme 2). Subsequently, the regioselectivity for benzyl groups 21 was probed with the dibenzylated azide 4. 22 In the case of DMDO two products were obtained.…”