2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]butanoic acid 、
6-氨基-4-氟-1H-吲唑-3-醇 在
crude product 、
acetonitrile-water 作用下,
生成 2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-N-(4-fluoro-3-oxo-2,3-dihydro-1H-indazol-6-yl)butanamide