N-((1-((2R,4S,5R)-4-((tert-butyldiphenylsilyl)oxy)-5-(((tert-butyldiphenylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)methyl)-3-hydroxy-N,3-dimethyl-4-oxo-4-phenylbutanamide 在
吡啶 、
氟化氢吡啶 作用下,
反应 18.0h,
以98%的产率得到3-hydroxy-N-[[1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]methyl]-N,3-dimethyl-4-oxo-4-phenylbutanamide