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p-Toluenesulfonic anhydride acts as electrophilic species and activates 2-deoxy-sugar hemiacetals in situ, which reacts stereoselectively with nucleophilic acceptors to afford β-anomers.
T 1428 (OTTO) p-Toluenesulfonic anhydride, 97% Cas 4124-41-8 - used as reagent in palladium-catalyzed allylic alkenylation of allylic alcohols with n-butyl acrylate.