1-[4-(1-carboethoxy-1-(5-methoxy-3,4-methylenedioxyphenyl)methoxy)-3,5-dipropylphenylmethyl]-3-ethyl-2-benzimidazolinone 、
sodium hydroxide 在
水 、
乙酸乙酯 、
乙醚 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以Trituration of the resultant oil with ethyl ether gave 64 mg (82%-2 steps) of the title compound as a white solid的产率得到1-[4-(1-carboxy-1-(5-methoxy-3,4-methylenedioxyphenyl)methoxy)-3,5-dipropylphenylmethyl]-3-ethyl-2-benzimidazolinone