A Claisen-Ireland rearrangement led to the formation of C-glycan derivative
s. Azidonitration-reduction or dihydroxylation afforded gluco- and galacto-
derived beta-C-glycosides. Subsequent deprotonation of bicyclic lactones 16
allowed the control of the newly created asymmetric centre. (C) 1999 Publi
shed by Elsevier Science Ltd. All rights reserved.