Stereoselective synthesis of alpha-keto-deoxy-D-glycero-D-galacto-nonulosonic acid glycosides by means of the 4,5-O-carbonate protecting group.

Stereoselective synthesis of alpha-keto-deoxy-D-glycero-D-galacto-nonulosonic acid glycosides by means of the 4,5-O-carbonate protecting group.