O-(2'-acetamido-3',4',6'-tri-O-acetyl-2'-deoxy-β-D-glucopyranosyl)-(1'->3)-1,4,6-tri-O-acetyl-2-azido-2-deoxy-α-D-galactopyranose 在
溴化钛(IV) 作用下,
以
二氯甲烷 、
乙酸乙酯 为溶剂,
反应 14.0h,
以91%的产率得到O-(2'-acetamido-3',4',6'-tri-O-acetyl-2'-deoxy-β-D-glucopyranosyl)-(1'->3)-4,6-di-O-acetyl-2-azido-2-deoxy-α-D-galactopyranosyl bromide