2-[5-(1-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-pent-4-ynyl]-isoindole-1,3-dione 在
copper(l) iodide 、 TEA 作用下,
以
甲醇 为溶剂,
以84%的产率得到2-[3-(3-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-2-oxo-2,3-dihydro-furo[2,3-d]pyrimidin-6-yl)-propyl]-isoindole-1,3-dione