5-bromo-2-iodo-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide 、
7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro[1,4]dioxino[2,3-b]pyridine 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 、
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以80%的产率得到5-bromo-2-(2,3-dihydro-[1,4]dioxino[2,3-b]pyridin-7-yl)-N-methyl-6-[methyl(methylsulfonyl)amino]-1-benzofuran-3-carboxamide