O-isopropyl-O'-(2',3'-didehydro-2',3'-dideoxythymidin-5'-yl) phosphonate 在
N,N,N’,N’-四乙基乙二胺 、
copper(l) chloride 作用下,
以
丙酮 为溶剂,
反应 6.0h,
以78%的产率得到5-methyl-1-[(2R,5S)-5-[[[[(2S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-propan-2-yloxyphosphoryl]-propan-2-yloxyphosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione