Oligosaccharides related to tumor-associated antigens. Part 3. Synthesis of the propyl glycosides of the trisaccharide β-D-Galp-(1 → 3)-β-D-GalpNAc-(1 → 3)-α-D-Galp and of the tetrasaccharide α-L-Fucp-(1 → 2)-β-D-Galp-(1 → 3)-β-D-GalpNAc-(1 → 3)-α-D-Galp,

Article abstract of DOI:10.1002/hlca.19950780302

The synthesis of the trisaccharide β-D-Galp-(1 → 3)-β-D-GalpNAc-(1 → 3)-α-D-Galp-1-OPr (2) and of the tetrasaccharide α-L-Fucp-(1 → 2)-β-D-Galp-(1 → 3)-β-D-GalpNAc-(1 → 3)-α-D-Galp-1-OPr (3), starting from the disaccharidic dihydrooxazole donor 5, is desc