(2S,3S,4S,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-6-[(4S,5S,6S)-6-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl]-3-hydroxy-N,N,2,4-tetramethylheptanamide   、                                                                                      
叔丁基二甲硅基三氟甲磺酸酯                                                                                                                                                              在
                                                                                                                                                                                 
2,6-二甲基吡啶                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以18 mg的产率得到(2S,3S,4R,5R,6S)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-6-[(4S,5S,6S)-6-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl]-N,N,2,4-tetramethylheptanamide