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