dimethylthexylsilyl 3,6-di-O-benzyl-2-deoxy-2-azido-β-D-glucopyranoside 、
2,3-di-O-acetyl-4,6-O-benzylidene-D-glucopyranosyl trichloroacetimidate 在
三氟甲磺酸三甲基硅酯 作用下,
以
正己烷 、
二氯甲烷 为溶剂,
以93%的产率得到Acetic acid (2R,4aR,6S,7R,8S,8aR)-8-acetoxy-6-{(2R,3S,4R,5R,6S)-5-azido-4-benzyloxy-2-benzyloxymethyl-6-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-tetrahydro-pyran-3-yloxy}-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester