2,3,6,2',3',4',6'-hepta-O-acetyl-isocyanato-β-D-lactose 、
4-氯苯基硫脲 以
氯仿 为溶剂,
反应 3.0h,
以73.45%的产率得到(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R,6R)-4,5-diacetoxy-2-(acetoxymethyl)-6-(3-((4-chlorophenyl)carbamothioyl)ureido)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate