N-benzenesulfonyl-4-ethinylbenzoic acid amide 、
3-{6-iodo-3-[6-(4-methoxyphenyl)-(5E)-5-hexenyloxy]-pyridin-2-yl}-propionic acid methyl ester 在
crude product 、 silica gel 、
二氯甲烷 作用下,
以750 mg of 3-{3-[6-(4-methoxyphenyl)-(5E)-5-hexenyloxy]-6-[2-(4-benzenesulfonamidocarbonylphenyl)-ethinyl]-2-pyridyl}-propionic acid methyl ester is obtained as oil的产率得到3-{3-[6-(4-methoxyphenyl)-(5E)-5-hexenyloxy]-6-[2-(4-benzenesulfonamidocarbonylphenyl)-ethinyl]-2-pyridyl}-propionic acid methyl ester