、
2-(4-(2,2-difluoroethoxy)phenyl)acetic acid 、
sodium hexamethyldisilazane 、
1-氯-4-碘丁烷 、 以to afford 6-chloro-2-(4-(2,2-difluoroethoxy)phenyl)hexanoic acid (6.94 g, 21.5 mmol, 77% yield) as a viscous oil that的产率得到6-chloro-2-(4-(2,2-difluoroethoxy)phenyl)hexanoic acid