APPROACHES TO HIGHER-CARBON SUGARS, BASED ON THE USE OF SUGAR-DERIVED, STABILIZED WITTIG REAGENTS

Article abstract of DOI:10.1016/0008-6215(86)85007-8

1-(1,2:3,4-di-O-isopropylidene-α-D-galactopyranuronyl)imidazole, obtained by treating the corresponding diacetal of α-D-galactopyranuronic acid with 1,1-carbonylimidazole, reacts with methylenetriphenylphosphorane to give (1,2:3,4-di-O-isopropylidene-α-D-