Convenient synthesis of an N-glycan octasaccharide of the bisecting type
Convenient synthesis of an N-glycan octasaccharide (A) of the bisecting type was described. The stable and easily prepared orthoester F, 3 -O-chloroacetyl-4 ,6 -O-benzylidene-α-D-glucopyranose 1, 2 (chloromethyl 3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-g