| Abstract
| - As a part of a program for developing new versatile building blocks for stereoselective glycosylationand convergent oligosaccharide synthesis, we demonstrated that S-benzoxazolyl (SBox) glycosides arestable toward major protecting group manipulations employed in carbohydrate chemistry. On the otherhand, they can be glycosidated under relatively mild reaction conditions to afford either 1,2-trans or1,2-cis-linked disaccharides. Selective and chemoselective activations of the SBox moiety were also provedto be feasible, which was demonstrated by synthesizing a number of oligosaccharide sequences.
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