trifluoromethanesulfonic acid 1-(diethoxyphosphoryl)-(3R,4R,5R, 6R)-2-(6-methoxy-2-methyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 cesium fluoride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
叔丁醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                生成                                                 
[1-fluoro-(3R,4R,5R,6R)-2-(6-methoxy-2,2-dimethyltetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-ethyl]-phosphonicacid diethyl ester   、                                                                                             
[1-fluoro-(3R,4R,5R,6R)-2-(6-methoxy-2,2-dimethyltetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-ethyl]-phosphonicacid diethyl ester