tert-butyl {5-[(3-chloro-2,5-dioxo-4-phenyl-2,5-dihydro-1H-pyrrol-1-yl)methyl]pyridin-2-yl}carbamate 、
4-二氟甲氧基苯胺 在
methanol-dichloromethane 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.13h,
以CH3OH/CH2Cl2 (1:99, 2:98 and then 5:95) as eluant, to give 0.4 g (54%) of the title compound的产率得到1-[(6-aminopyridin-3-yl)methyl]-3-{[4-(difluoromethoxy)phenyl]amino}-4-phenyl-1H-pyrrole-2,5-dione