methyl (2S)-2-iodo-2-[(2R,3R,4R,5S,6R)-2-(5-methyl-2,4-dioxopyrimidin-1-yl)-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl]acetate                                                                                                                                                              在
                                                                                                                                                                                 sodium azide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以96%的产率得到methyl (2R)-2-azido-2-[(2R,3R,4R,5S,6R)-2-(5-methyl-2,4-dioxopyrimidin-1-yl)-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl]acetate