p-nitrophenyl 2,3,6-tri-O-benzoyl-4-O-<2,3,6-tri-O-benzoyl-4-O-(2,3,4,6-tetra-O-benzoyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以91%的产率得到p-nitrophenyl 4-O-(4-O-α-D-galactopyranosyl-β-D-galactopyranosyl)-β-D-glucopyranoside