2-O-benzoyl-3,4,6-tri-O-benzyl-1-O-p-tolylsulfonyl-α-D-galactopyranose 、
methyl 3,4,6-tri-O-benzyl-2-O-(3,4,6-tri-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside 以
乙腈 为溶剂,
以0.7 g的产率得到methyl 2-O-<2-O-(2-O-benzoyl-3,4,6-tri-O-benzyl-β-D-galactopyranosyl)-3,4,6-tri-O-benzyl-β-D-galactopyranosyl>-3,4,6-tri-O-benzyl-β-D-galactopyranoside