O6-benzyl-3',5'-bis-O-(tert-butyldimethylsilyl)-O2-tris(dimethylamino)phosphonium-2'-deoxyxanthosine hexafluorophosphate   、                                                                                      
1-(4-硝基苯基)哌嗪                                                                                                                                                                                              以
                                                                                         
乙二醇二甲醚                                                                                  为溶剂,
                                                                                                                                                    反应 26.0h,
                                                                                                                以65%的产率得到O6-benzyl-3',5'-bis-O-(tert-butyldimethylsilyl)-2-[4-(4-nitrophenyl)-piperizin-1-yl]-2'-deoxyinosine