O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-(2-acetamido-3,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->2)-3,4,6-tri-O-benzyl-D-mannopyranose 、
三氯乙腈 在
sodium hydride 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以95%的产率得到O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-(2-acetamido-3,6-di-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1->2)-3,4,6-tri-O-benzyl-α-D-mannopyranosyl trichloroacetimidate