1,2:3,4-di-O-isopropylidene-7-deoxy-L-glycero-α-D-galacto-heptopyranose 、 1,3,4,6-tetra-O-acetyl-2-deoxy-2-(allyloxycarbonylamino)-β-D-glucopyranose 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以72%的产率得到6-O-(3,4,6-tri-O-acetyl-2-N-allyloxycarbonyl-2-amino-2-deoxy-β-D-glucopyranosyl)-7-deoxy-1,2:3,4-di-O-isopropylidene-L-glycero-α-D-galacto-heptopyranose