dimethyl (1S,2R,3S)-1-acetoxy-4-[(p-bromobenzoyl)oxy]-2,3-(isopropylidenedioxy)butylphosphonate 在
lithium bromide 作用下,
以
乙腈 为溶剂,
反应 2.0h,
以94%的产率得到((4S,5R)-5-((1S)-acetoxy(hydroxy(methoxy)phosphoryl)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methyl 4-bromobenzoate