(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3-((6-chloro-1,2,4-triazin-3-yl)methyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 、
sodium methylate 在
Amberlite IR
120(H+) 作用下,
以
甲醇 为溶剂,
反应 24.5h,
以94%的产率得到(2S,3R,4R,5S,6R)-2-(4-chloro-3-((6-methoxy-1,2,4-triazin-3-yl)methyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol