(2R,4S,5S)-methyl 2-azidoethyl-5-[(1R,2R,3R,4R)-2,3-di-tert-butyldimethylsilyloxy-4-(uracil-1-yl)]tetrahydrofuryl-3-palmitoyl-(1,3)-oxazolidine-4-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
triethylamine tris(hydrogen fluoride)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 80.0h,
                                                                                                                以89%的产率得到(2R,4S,5S)-methyl 2-azidoethyl-5-[(1R,2R,3R,4R)-2,3-dihydroxy-4-(uracil-1-yl)]tetrahydrofuryl-3-palmitoyl-(1,3)-oxazolidine-4-carboxylate