乙酸酐 、
benzyl 2-amino-2-deoxy-β-D-glucopyranosyl-(1->3)-[2-amino-2-deoxy-β-D-glucopyranosyl-(1->4)]-2-acetamido-6-O-benzyl-2-deoxy-α-D-glucopyranoside 在
吡啶 作用下,
反应 20.0h,
以250 mg的产率得到benzyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1->3)-[2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1->4)]-2-acetamido-6-O-benzyl-2-deoxy-α-D-glucopyranoside