(1S,2S,5S,6R)-6-(nitrooxy)-4,8-dioxabicyclo[3.3.0]oct-2-yl tert-butyl (2S)-2-[(tert-butoxy)carbonylamino]pentane-1,5-dioate 在
盐酸 作用下,
以
乙酸乙酯 为溶剂,
以75%的产率得到(2S)-4-{[(1S,2S,5S,6R)-6-(nitrooxy)-4,8-dioxabicyclo[3.3.0]oct-2-yl]oxycarbonyl}-2-aminobutanoic acid hydrochloride