Scheme 6.
Semi-synthesis of fCS hexa- and nonasaccharide from CS-A [42]; abbreviations: 4-(dimethylamino)pyridine (DMAP), sodium acetate (NaOAc).
Semi-synthesis of fCS hexa- and nonasaccharide from CS-A [42]; abbreviations: 4-(dimethylamino)pyridine (DMAP), sodium acetate (NaOAc).