ethyl 4-{[4-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3-ethylphenyl]oxy}butanoate 、
sodium hydroxide 在
异丙醇 、
水 、
乙酸乙酯 、
Sodium sulfate-III 作用下,
以
异丙醇 、
水 为溶剂,
反应 2.0h,
以to afford 4-{[4-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3-ethylphenyl]oxy}butanoic acid (E32) (70 mg) as a white solid的产率得到4-{[4-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-3-ethylphenyl]oxy}butanoic acid