2',5'-di-O-acetyl-3'-deoxy-3'-C-(2"-hydroxyethyl)-2"-O-para-methoxyphenyl-(β-D-ribofuranosyl)thymine                                                                                                                                                              在
                                                                                                                                                                                 ammonium cerium(IV) nitrate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以76%的产率得到Acetic acid (2R,3R,4R,5S)-5-acetoxymethyl-4-(2-hydroxy-ethyl)-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester