1-丁炔 、
5-iodo-1-(2,3,5-tri-O-p-toluyl-β-D-arabinofuranosyl)uracil 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 、
三乙胺 作用下,
以66%的产率得到(2R,3S,4R,5R)-2-(5-(but-1-yn-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-5-(((4-methylbenzoyl)oxy)methyl)tetrahydrofuran-3,4-diyl bis(4-methylbenzoate)