5-[3-(3-formyl-2-methylphenyl)-1,2,4-oxadiazol-5-yl]-2-[(1-methylethyl)oxy]benzonitrile 、
间氯过氧苯甲酸 在
乙酸乙酯 、
水 、
3-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-2-methylbenzoic acid 作用下,
以
四氢呋喃 为溶剂,
反应 5.5h,
以to afford the desired compound 3-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-2-methylbenzoic acid (29 mg)的产率得到3-(5-{3-cyano-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)-2-methylbenzoic acid