N-[6-chloro-4-(2-chloro-phenyl)-pyridin-3-yl]-2-(3-chloro-5-hydroxy-phenyl)-N-methyl-isobutyramide 、
二氟氯乙酸乙酯 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 15.0h,
以49%的产率得到N-[6-chloro-4-(2-chloro-phenyl)-pyridin-3-yl]-2-(3-chloro-5-difluoromethoxy-phenyl)-N-methyl-isobutyramide