6-[(3,5-Dimethylphenyl)methyl]-5-ethyl-1-(prop-2-ynoxymethyl)pyrimidine-2,4-dione 在
bis-triphenylphosphine-palladium(II) chloride
copper(l) iodide 、
氧气 、
三乙胺 作用下,
以
甲苯 为溶剂,
以74%的产率得到6-[(3,5-Dimethylphenyl)methyl]-1-[6-[[6-[(3,5-dimethylphenyl)methyl]-5-ethyl-2,4-dioxo-pyrimidin-1-yl]methoxy]hexa-2,4-diynoxymethyl]-5-ethyl-pyrimidine-2,4-dione