(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