benzyl 2-amino-2-deoxy-β-D-galactopyranosyl-(1->4)-2-acetamido-6-O-benzyl-2-deoxy-α-D-galactopyranoside 、
乙酸酐 在
吡啶 作用下,
反应 24.0h,
以224 mg的产率得到benzyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-galactopyranosyl-(1->4)-2-acetamido-6-O-benzyl-2-deoxy-α-D-galactopyranoside