Abstract
Heating of trisodium salt of allyl 3-O-benzyl-2,5,6-tri-O-sulfonato-β-D-galactofuranoside with pyridinium chloride in dioxane affords 1,6-anhydro-3-O-benzyl-α-D-galactofuranose which was regioselectively acylated to give useful precursors for oligosaccharide synthesis.
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