Phosphoric acid (2S,3S,5R)-3-azido-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester 2-chloro-phenyl ester (R)-2-dodecyloxy-propyl ester                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                    反应 5.0h,
                                                                                                                以60%的产率得到Phosphoric acid (2S,3S,5R)-3-azido-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester (R)-2-dodecyloxy-propyl ester