ethyl (2R,3S,4S)-2,3,5-trihydroxy-2,3-O-isopropylidene-4,5-N,O-isopropylidene-4-(tert-butoxycarbonylamino)pentanoate 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
以75%的产率得到(2S,3S)-3-[(S)-3-(tert-butoxycarbonyl)-2,2-dimethyloxazolidin-4-yl]-2,3-(isopropylidenedioxy)propan-1-ol