Bronsted acid-promoted glycosylations of disaccharide glycal substructures of the saccharomicins.
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ABSTRACT: An acid-promoted glycosylation and alkynol cycloisomerization sequence provided direct access to the 2-deoxytrisaccharide corresponding to the fucose-saccharosamine-digitoxose substructure of saccharomicin B. In the course of this work, the absolute stereochemistry of the repeating fucose-saccharosamine disaccharide of saccharomicins was also confirmed.
SUBMITTER: Balthaser BR
PROVIDER: S-EPMC2783931 | BioStudies | 2009-01-01
REPOSITORIES: biostudies
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