Methanesulfonic acid (2R,3R,5R)-2-methylaminomethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.75h,
以89%的产率得到1-((2R,4S,5R)-4-Azido-5-methylaminomethyl-tetrahydro-furan-2-yl)-5-methyl-1H-pyrimidine-2,4-dione