在
                                                                                                                                                                                 
一水合肼                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶   、                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                    反应 0.33h,
                                                                                                                以92%的产率得到2,2-Dimethyl-propionic acid 3-[(2R,3R,4R,5R)-4-(bis-phenylsulfanyl-phosphoryloxy)-5-hydroxymethyl-3-(tetrahydro-pyran-2-yloxy)-tetrahydro-furan-2-yl]-2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-ylmethyl ester