Oligosaccharides related to tumor-associated antigens. Part I. Synthesis of the propyl glycoside of the trisaccharide α-L-Fucp-(1→2)-β-D-Galp-(1→3)-β-D-Galp NAc, component of a tumor antigen recognized by the antibody MBr1

Article abstract of DOI:10.1002/hlca.19940770211

The synthesis of the trisaccharide α-L-Fucp-(1→2)-β-D-Galp-(1→3)-β-D-GalpNAc-1-OPr (2) is described. The N-acetylgalactosamine 6 was obtained from 4 by an intramolecular displacement of a (trifluoromethyl)sulfonyloxy by a pivaloyloxy group with its concom