6-[(3,5-Dimethylphenyl)methyl]-5-ethyl-1-[(4-iodophenyl)methoxymethyl]pyrimidine-2,4-dione 、
6-[(3,5-Dimethylphenyl)methyl]-5-ethyl-1-(prop-2-ynoxymethyl)pyrimidine-2,4-dione 在
bis-triphenylphosphine-palladium(II) chloride
copper(l) iodide 、
三乙胺 作用下,
反应 24.0h,
以42%的产率得到6-[(3,5-Dimethylphenyl)methyl]-1-[3-[4-[[6-[(3,5-dimethylphenyl)methyl]-5-ethyl-2,4-dioxo-pyrimidin-1-yl]methoxymethyl]phenyl]prop-2-ynoxymethyl]-5-ethyl-pyrimidine-2,4-dione