(2R,3S,5R)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl ((R)-2-((4-benzamido-2-oxopyrimidin-1(2H)-yl)methoxy)-3-((tert-butyldiphenylsilyl)oxy)propyl)carbamate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
以32%的产率得到[(R)-2-(4-Benzoylamino-2-oxo-2H-pyrimidin-1-ylmethoxy)-3-hydroxy-propyl]-carbamic acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester