4-[4-(4-Methylphenoxy)phenyl]-4-oxobut-2-enoic acid 、
碘乙烷 、
β-(4-Phenoxybenzoyl)acrylic acid 、
碘甲烷 以respectively, to give 4.74 g of ethyl 3-[4-(4-methylphenoxy)benzoyl]acrylate in the form of an oil的产率得到Ethyl 4-[4-(4-methylphenoxy)phenyl]-4-oxobut-2-enoate