[(2S,3S)-2-(4-Methoxy-pyrimidin-2-yloxymethyl)-5-phenylsulfanyl-tetrahydro-furan-3-ylmethyl]-phosphonic acid diethyl ester 、 在
dimethyl(methylthio)sulfonium tetrafluoroborate 、
sodium hydroxide 作用下,
以
乙腈 为溶剂,
反应 7.5h,
以80%的产率得到[(2S,3S,5R)-2-Hydroxymethyl-5-(4-methoxy-2-oxo-2H-pyrimidin-1-yl)-tetrahydro-furan-3-ylmethyl]-phosphonic acid diethyl ester