(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