3,4,6-tri-O-acetyl-2-azido-2-deoxy-β-D-glucopyranosyl chloride 、 2-(Trimethylsilyl)ethyl 2,4-di-O-benzoyl-α-L-rhamnopyranoside 在
2,6-二叔丁基-4-甲基吡啶 、
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以92%的产率得到2-(trimethylsilyl)ethyl O-(3,4,6-tri-O-acetyl-2-azido-2-deoxy-α-D-glucopyranosyl)-(1->3)-2,4-di-O-benzoyl-α-L-rhamnopyranoside