、
乙酸酐 在
吡啶 作用下,
反应 3.0h,
以740 mg的产率得到p-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->3)-2-azido-4,6-O-benzylidene-2-deoxy-α-D-glucopyranosyl-(1->4)-2,3-O-isopropylidene-α-L-rhamnopyranosyl-(1->3)-2-acetamido-4,6-O-benzylidene-2-deoxy-β-D-glucopyranoside