2-(6-methoxypyridin-3-yl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide 、 (R)-(2-chloro-11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-6-yl)methanol 在
tris-(dibenzylideneacetone)dipalladium(0) 、 sodium carbonate 、
2-二环己基磷-2,4,6-三异丙基联苯 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 16.0h,
以47%的产率得到5-(11-fluoro-6-(hydroxymethyl)-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-2-(6-methoxypyridin-3-yl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide