ethyl 4-[4-[(5,7-dimethyl-2-ethyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl]phenyl]-2-methoxy-3-quinolinecarboxylate 在
sodium hydroxide 作用下,
以
乙醇 为溶剂,
以72%的产率得到4-[4-(2-Ethyl-5,7-dimethyl-imidazo[4,5-b]pyridin-3-ylmethyl)-phenyl]-2-methoxy-quinoline-3-carboxylic acid