4-bromo-4'-(bromomethyl)biphenyl-3-sulfonic acid amide 、
thioacetic acid S-{3-bromo-4-[(diethoxyphosphoryl)difluoromethyl]benzyl} ester 在
sodium hydroxide 作用下,
以
乙醇 、
氯仿 为溶剂,
反应 0.5h,
以96%的产率得到{[2-bromo-4-(4'-bromo-3'-sulfamoylbiphenyl-4-ylmethylsulfanylmethyl)phenyl]difluoromethyl}phosphonic acid diethyl ester