乙酸酐 、
2-(trimethylsilyl)ethyl 2,3-di-O-benzoyl-6-deoxy-4-O-<2,3-di-O-benzoyl-6-O-(p-methoxybenzoyl)-4-O-(α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside 以
吡啶 为溶剂,
以99%的产率得到2-(trimethylsilyl)ethyl 2,3-di-O-benzoyl-6-deoxy-4-O-<2,3-di-O-benzoyl-6-O-(p-methoxybenzoyl)-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside