(2S,3R,4S,5R,6R)-6-Allyloxy-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-tetrahydro-pyran-2-carboxylic acid amide 在
三氟甲磺酸三甲基硅酯 、
3,4,6-tri-O-acetyl-2-deoxy-2-trichloroacetamido-α/β-D-glucopyranose trichloroacetimidate 作用下,
以
二氯甲烷 、
甲苯 为溶剂,
以15%的产率得到allyl 3,4-di-O-(3,4,6-tri-O-acetyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-2-O-tert-butyldimethylsilyl-β-D-glucopyranosiduronamide