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Synlett 1992; 1992(9): 713-715
DOI: 10.1055/s-1992-21464
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Glycosylating Properties of Ketopyranosyl Donors: Stereospecific Synthesis of Ketodisaccharides

B. M. Heskamp* , D. Noort, G. A. van der Marel, J. H. van Boom
  • *Gorlaeus Laboratories, P. O. Box 9502, NL-2300 Leiden, The Netherlands
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Publication Date:
08 March 2002 (online)

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Glycosidation of heptulopyranose donors 6, 9, 13 and 15 gave exclusively α-linked ketodisaccarides. On the other hand, glycosidation of a similar ketose donor (i.e. 21) having a participating ester group on C-3 afforded an anomeric mixture of ketoglycosides.