2-butyl-3-[4-[(1-carbomethoxy)(1-phenyl)methoxy]phenyl]methyl-6-methylquinazolin-4(3H)-one 、
sodium hydroxide 在
氯仿 、
magnesium sulfate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以to yield 15 mg (65%) of the title compound (Rf =0.40, hexane/ethyl acetate/acetic acid (75:23.5:1.5))的产率得到2-butyl-3-[4-[(1-carboxy)(1-phenyl)methoxy]phenyl]methyl-6-methylquinazolin-4(3H)-one