3-[4-(3,5-dichloro-pyridin-4-yl-methyl)-7-methoxy-phthalazin-1-yl]-phenylamine 、
methyl 4-(chlorosulfonyl)butanoate 在
三乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 48.0h,
以15%的产率得到4-{3-[4-(3,5-dichloro-pyridin-4-yl-methyl)-7-methoxy-phthalazin-1-yl]-phenylsulfamoyl}-butyric acid methyl ester