[(2R,3R,4R,5R)-4-acetyloxy-2-[[[(2R,3R,4R,5R)-2-(6-benzamidopurin-9-yl)-4-[tert-butyl(dimethyl)silyl]oxy-5-(hydroxymethyl)oxolan-3-yl]oxy-methoxyphosphoryl]oxymethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-3-yl] acetate   、                                                                                      
1,4-二氧六环   、                                                                                      
三乙胺   、                                                                                      
苯硫酚                                                                                                                                                                                                                                                                                                          生成                                                 [(2R,3R,4R,5R)-4-acetyloxy-2-[[[(2R,3R,4R,5R)-2-(6-benzamidopurin-9-yl)-4-[tert-butyl(dimethyl)silyl]oxy-5-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxymethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-3-yl] acetate