(2R,3R,4S,5S,6R)-6-((benzoyloxy)methyl)-2-(((2R,3R,4R,5R,6S)-4,5-bis(benzoyloxy)-2-((benzoyloxy)methyl)-6-methoxytetrahydro-2H-pyran-3-yl)thio)-5-hydroxytetrahydro-2H-pyran-3,4-diyl dibenzoate 、 alkaline earth salt of/the/ methylsulfuric acid 以100%的产率得到(2R,3R,4R,5S,6R)-6-((benzoyloxy)methyl)-2-(((2R,3R,4R,5R,6S)-4,5-bis(benzoyloxy)-2-((benzoyloxy)methyl)-6-methoxytetrahydro-2H-pyran-3-yl)thio)-5-(((trifluoromethyl)sulfonyl)oxy)tetrahydro-2H-pyran-3,4-diyl dibenzoate