ethyl 5-(2-iodophenoxy)pentanoic acid 、
(E)-1,2-bis(tri-n-butylstannyl)ethene 、 、
碘 在
silica gel 、 n-hexane ethyl acetate-95 、 crude product 作用下,
以430 mg of 5-[2-[(E)-2-iodovinyl]-phenoxy]-valeric acid ethyl ester is obtained as an oily crude product, which的产率得到5-[2-[(E)-2-iodovinyl]-phenoxy]-valeric acid ethyl ester