(2S,3S,6S)-6-((2R,3S,4R,6R)-6-(4-methoxybenzyloxy)-4-hydroxy-2-methyltetrahydro-2H-pyran-3-yloxy)-2-methyl-3,6-dihydro-2H-pyran-3-ol 在
o-nitrobenzenesulfonyl hydrazide 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以80%的产率得到(2S,3S,6S)-6-((2R,3S,4R,6R)-6-(4-methoxybenzyloxy)-4-hydroxy-2-methyltetrahydro-2H-pyran-3-yloxy)-2-methyltetrahydro-2H-pyran-3-ol