methyl (4S,5R,Z)-3-N-benzyloxycarbonyl-5,6-isopropylidene-2-hexenoate 在
碘 、
silver trifluoromethanesulfonate 、
碳酸氢钠 作用下,
以
乙腈 为溶剂,
反应 2.0h,
生成 methyl (4R,5R,1'S)-α-iodo-4-<(4R)-2,2-dimethyl-1,3-dioxolan-4-yl>-2-oxo-5-oxazolidineacetate 、 methyl (4R,5R,1'R)-α-iodo-4-<(4R)-2,2-dimethyl-1,3-dioxolan-4-yl>-2-oxo-5-oxazolidineacetate