(3S,4R,5R,6S,7S)-7-((tert-butyldimethylsiloxy)methyl)-3,4-isopropylidenedioxy-6-methoxy-1-azabicyclo[3.2.0]heptane 在
DOWEX-50 ion exchange resin 作用下,
以
乙醇 为溶剂,
反应 24.0h,
以96%的产率得到(3S,4R,5S,6S,7S)-7-hydroxymethyl-6-methoxy-1-azabicyclo[3.2.0]heptane-3,4-diol