(2S,3R,4R,5S,6R)-4-azido-5-(tert-butyldimethylsilyloxy)-6-methyltetrahydro-2H-pyran-2,3-diyl bis(2-chloro-2-methylpropanoate)                                                                                                                                                              在
                                                                                                                                                                                 
乙酸肼                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
(2R,3R,4R,5S,6R)-4-azido-5-(tert-butyldimethylsilyloxy)-2-hydroxy-6-methyltetrahydro-2H-pyran-3-yl 2-chloro-2-methylpropanoate   、                                                                                             (2S,3R,4R,5S,6R)-4-azido-5-(tert-butyldimethylsilyloxy)-2-hydroxy-6-methyltetrahydro-2H-pyran-3-yl 2-chloro-2-methylpropanoate