3'-azido-2',3',5'-trideoxy-5'-(trimethylsilyl)ethynylthymidine   、                                                                                      
                                                                                                                                                              在
                                                                                                                                                                                 
copper(I) bromide dimethylsulfide complex                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
水   、                                                                                         
叔丁醇                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以76%的产率得到[(2R,3S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-2-[[1-[(2R,3S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-2-[[1-[(2R,3S,5R)-5-(5-methyl-2,4-dioxopyrimidin-1-yl)-2-(3-trimethylsilylprop-2-ynyl)oxolan-3-yl]triazol-4-yl]methyl]oxolan-3-yl]triazol-4-yl]methyl]oxolan-3-yl] benzoate