methyl (2S)-2-iodo-2-[(2R,3R,4R,5S,6R)-2-(5-methyl-2,4-dioxopyrimidin-1-yl)-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl]acetate 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 24.0h,
以96%的产率得到methyl (2R)-2-azido-2-[(2R,3R,4R,5S,6R)-2-(5-methyl-2,4-dioxopyrimidin-1-yl)-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl]acetate