[(3R,4R,5R,6S)-4,5-diacetyloxy-6-[(2R,3S,5R)-2-[[tert-butyl(diphenyl)silyl]oxymethyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxyoxan-3-yl] acetate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 0.33h,
以89%的产率得到[(3R,4R,5R,6S)-4,5-diacetyloxy-6-[(2R,3S,5R)-2-(hydroxymethyl)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxyoxan-3-yl] acetate