(2S,4S)-4-(5-Methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-(toluene-4-sulfonyloxymethyl)-pyrrolidine-1-carboxylic acid benzyl ester 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以98%的产率得到(2S,4S)-2-Azidomethyl-4-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-pyrrolidine-1-carboxylic acid benzyl ester