(2R,3R,4S,5R,6R)-5-azido-2-(azidomethyl)-4-(benzyloxy)-6-(((1R,2S,3S,4R,6S)-4,6-diazido-3-(((2S,3R,4S,5S,6R)-4-azido-3,5-bis(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)-2-(benzyloxy)cyclohexyl)oxy)tetrahydro-2H-pyran-3-amine 、
乙酸酐 在
吡啶 作用下,
反应 6.0h,
以80%的产率得到N-((2R,3R,4S,5R,6R)-5-azido-2-(azidomethyl)-4-(benzyloxy)-6-(((1R,2S,3S,4R,6S)-4,6-diazido-3-(((2S,3R,4S,5S,6R)-4-azido-3,5-bis(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)-2-(benzyloxy)cyclohexyl)oxy)tetrahydro-2H-pyran-3-yl)acetamide