• Korean Journal of Pharmacognosy
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• v.16 no.4
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• pp.239-242
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• 1985

The anion of $6-benzenesulfonyl-3-O-benzyl-6-deoxy-1,2-O-isopropylidene-{\alpha}-d-glucofuranose$ was stable and reacted with carbon electrophiles to give higher-carbon sugars. Reactions of uridine 5'-aldehyde with phosphoranes afforded heptofuranose nucleosides.