N-[6-(4-amino-2-fluorophenoxy)imidazo[1,2-a]pyridin-2-yl]cyclopropanecarboxamide 、
1-(3,4-difluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid 、
O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 、
N,N-二异丙基乙胺 以
N,N-二甲基乙酰胺 为溶剂,
以in the same manner as in Example 44, the title compound (301 mg, 86%) was obtained as a white solid的产率得到N-[4-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-a]pyridin-6-yl}oxy)-3-fluorophenyl]-1-(3,4-difluorophenyl)-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide