(E)-(S)-ethyl 3-{4-[3-(3',5'-di-tert-butyl-biphenyl-4-yl)-but-2-enyloxy]-phenyl}-2-ethoxy-propionate 、
sodium hydroxide 在
(E)-(S)-3-{4-[3-(3',5'-Di-tert-butyl-biphenyl-4-yl)-but-2-enyloxy]-phenyl}-2-ethoxy-propionic acid 作用下,
以yielding (E)-(S)-3-{4-[3-(3′,5′-di-tert-butyl-biphenyl-4-yl)-but-2-enyloxy]-phenyl}-2-ethoxy-propionic acid (315 mg, 83%) as a colourless gum的产率得到(E)-(S)-3-{4-[3-(3',5'-Di-tert-butyl-biphenyl-4-yl)-but-2-enyloxy]-phenyl}-2-ethoxy-propionic acid