2-[2-[2-[2-[[(11S)-11-methyl-10-(3-methylbut-2-enyl)-2-sulfanylidene-1,3,10-triazatricyclo[6.4.1.04,13]trideca-4(13),5,7-trien-7-yl]oxy]ethoxy]ethoxy]ethoxy]ethyl 3-[1-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]propanoate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 5.5h,
以94%的产率得到2-[2-[2-[2-[[(11S)-11-methyl-10-(3-methylbut-2-enyl)-2-sulfanylidene-1,3,10-triazatricyclo[6.4.1.04,13]trideca-4(13),5,7-trien-7-yl]oxy]ethoxy]ethoxy]ethoxy]ethyl 3-[1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,4-dioxopyrimidin-5-yl]propanoate