三苯基氯甲烷 、
(2R,3S,4S,5R,6R)-2-((benzoyloxy)methyl)-6-(((2R,3S,4R)-3-hydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-4-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate 以
吡啶 为溶剂,
以92%的产率得到(2R,3S,4S,5R,6R)-2-((benzoyloxy)methyl)-6-(((2R,3S,4R)-3-hydroxy-2-((trityloxy)methyl)tetrahydro-2H-pyran-4-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate