ethyl 1,2-dihydro-4-[4-[(5,7-dimethyl-2-ethyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl]phenyl]-1-methyl-2-oxo-3-quinolinecarbocylate 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
以89%的产率得到1,2-dihydro-4-[4-[(5,7-dimethyl-2-ethyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl]phenyl]-1-methyl-2-oxo-3-quinolinecarbocylic acid