N-(3,4,5-trimethoxyphenyl)-3-(5-methyl-3-(2,4-difluoro-phenyl)isoxazol-4-oyl)aminophenyl acetamide 在
sodium hydroxide 作用下,
以
甲醇 、 DMF (N,N-dimethyl-formamide) 为溶剂,
以45%的产率得到N-3,4,5-trimethoxyphenyl-3-[3-methyl-isoxazolo[4,5-c]-1,2-dihydro-4-fluoroquinolin-2-on-1-yl]phenylacetamide