ChemInform Abstract: Facile Cleavage of Carbohydrate Benzyl Ethers and Benzylidene Acetals Using the NaBrO3/Na2S2O4 Reagent under Two-Phase Conditions.
Abstract
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ChemInform Abstract
The use of NaBrO3 and sodium dithionite in aq. EtOAc is particularly effective for the fast and mild deprotection of benzylated and benzylidene acetal protected carbohydrates. A variety of other protecting functionalities such as acetyl, chloroacetyl, benzoyl, pivaloyl, tosyl, t-butyldimethylsilyl, trityl, and isopropylidene groups remain unaffected under these conditions.
