2,3,6,2',3',4',6'-hepta-O-acetyl-α-D-lactosyl trichloroacetimidate 、
2-(2-(2-(2-(adamantan-1-yl-oxy)ethoxy)ethoxy)ethoxy)ethanol 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
以32%的产率得到(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R,6R)-4,5-diacetoxy-2-(acetoxymethyl)-6-(2-(2-(2-(2-(adamantan-1-yloxy)ethoxy)ethoxy)ethoxy)ethoxy)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate