(2R,3S,4R,5R,6R)-5-azido-2-(azidomethyl)-6-(((1R,2S,3S,4R,6S)-4,6-diazido-3-(((2S,3R,4S,5S,6R)-4-azido-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-2-hydroxycyclohexyl)oxy)tetrahydro-2H-pyran-3,4-diol 、
叔丁基二苯基氯硅烷 在
吡啶 、
4-二甲氨基吡啶 作用下,
反应 48.0h,
以2.08 g的产率得到(2R,3S,4R,5R,6R)-5-azido-2-(azidomethyl)-6-(((1R,2S,3S,4R,6S)-4,6-diazido-3-(((2S,3R,4S,5S,6R)-4-azido-6-(((tert-butyldiphenylsilyl)oxy)methyl)-3,5-dihydroxytetrahydro-2H-pyran-2-yl)oxy)-2-hydroxycyclohexyl)oxy)tetrahydro-2H-pyran-3,4-diol