ethyl 3-[3-(3-hydroxy-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl)-4-methoxyphenyl]acrylate 、
3-(methoxymethyloxy)benzyl chloride 以obtained above, 2.90 g (85%) of the expected compound的产率得到3-{4-methoxy-3-[3-(3-methoxymethoxybenzyloxy)-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl]phenyl}acrylic acid