1-异硫氰酸根-二聚乙二醇-羟基 、
4-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-2,3,6-tri-O-acetyl-α/β-D-glucopyranosyl trichloroacetimidate 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
以62.5%的产率得到(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R,6R)-4,5-diacetoxy-2-(acetoxymethyl)-6-(2-(2-isothiocyanatoethoxy)ethoxy)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate