7-{(S)-2-[3-hydroxy-3-(5-o-tolyl-furan-2-yl)-propyl]-5-oxo-pyrrolidin-1-yl}-heptanoic acid ethyl ester 、 、
sodium hydroxide 、
盐酸 、
乙酸乙酯 以
甲醇 为溶剂,
反应 1.0h,
以7-{(S)-2-[3-hydroxy-3-(5-o-tolyl-furan-2-yl)-propyl]-5-oxo-pyrrolidin-1-yl}-heptanoic acid (54) (71) (45 mg, 0.10 mmol) resulted upon treatment with 1 M aqueous hydrochloric acid and extraction with ethyl acetate的产率得到7-{(S)-2-[3-hydroxy-3-(5-o-tolyl-furan-2-yl)-propyl]-5-oxo-pyrrolidin-1-yl}-heptanoic acid