Diisopropyl-phosphoramidous acid methyl ester (2R,3S,5R)-5-(5-methyl-2,4-dioxo-tetrahydro-pyrimidin-1-yl)-2-trityloxymethyl-tetrahydro-furan-3-yl ester 在
endo-Bromcamphersulfonyloxaziridin
(13) 作用下,
以
乙醚 为溶剂,
反应 120.0h,
生成 Diisopropyl-phosphoramidic acid methyl ester (2R,3S,5R)-5-(5-methyl-2,4-dioxo-tetrahydro-pyrimidin-1-yl)-2-trityloxymethyl-tetrahydro-furan-3-yl ester