[(2R,3S,5R)-2-[[benzoyl-[(2R,3S,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxyphosphoryl]oxymethyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl] benzoate                                                                                                                                                              在
                                                                                                                                                                                 sulfur   、                                                                                                  
1,8-二氮杂双环[5.4.0]十一碳-7-烯   、                                                                                                  
正丁胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以90%的产率得到[(2R,3S,5R)-2-[[[(2R,3S,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxy-hydroxyphosphinothioyl]oxymethyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl] benzoate