ethyl 3-{3-[3-(7-tert-butoxycarbonylheptyloxy)-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl]-4-methoxyphenyl}acrylate 、
三氟乙酸 、
水 在
乙醚 、
magnesium sulfate 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以3.4 g (100%) of the expected compound were obtained in the form of a white foam的产率得到3-{3-[3-(7-carboxyheptyloxy)-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl]-4-methoxyphenyl}acrylic acid