3-fluoro-4-(6-((2,2,6,6-tetramethylpiperidin-4-yl)oxy)pyridazin-3-yl)phenyl trifluoromethanesulfonate 在
碘苯二乙酸 、 palladium diacetate 、
溶剂黄146 作用下,
以
乙酸酐 为溶剂,
反应 3.0h,
以100%的产率得到3-fluoro-5-hydroxy-4-(6-((2,2,6,6-tetramethylpiperidin-4-yl)oxy)pyridazin-3-yl)phenyl trifluoromethanesulfonate