2-[5-[4-[(6-hydroxy-2-(4-hydroxyphenyl)benzo-[b]thiophen-3-yl)carbonyl]phenoxy]pentyl]-2-(4,4,5,5,5-pentafluoropentyl)malonic acid 在
乙酸乙酯 、
magnesium sulfate 、 silica gel 、
ethyl acetate n-hexane 作用下,
以
二甲基亚砜 、
水 为溶剂,
反应 3.0h,
以to give 2-[5-[4-[(6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thiophen-3-yl)carbonyl]phenoxy]pentyl]-6,6,7,7,7-pentafluoroheptanoic acid (732 mg, Yield 71%) as a yellow solid的产率得到2-[5-[4-[(6-hydroxy-2-(4-hydroxyphenyl)benzo-[b]thiophen-3-yl)carbonyl]phenoxy]pentyl]-6,6,7,7,7-pentafluoroheptanoic Acid