Acetic acid (4S,5R)-3-((2R,3S,4S,5R)-3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5-fluoro-2,6-dioxo-hexahydro-pyrimidin-4-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
三氯化铁                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
(5R,6S)-1-((2R,3S,4S,5R)-3,4-Dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-5-fluoro-6-hydroxy-dihydro-pyrimidine-2,4-dione