4-{3-[4-(3,5-dichloro-pyridin-4-yl-methyl)-7-methoxy-phthalazin-1-yl]-phenylsulfamoyl}-butyric acid methyl ester 在
lithium hydroxide 、
水 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以83%的产率得到4-{3-[4-(3,5-dichloro-pyridin-4-yl-methyl)-7-methoxy-phthalazin-1-yl]-phenylsulfamoyl}-butyric acid