(9-{6R-[3-(tert-butyl-dimethyl-silanyloxy)-propoxymethyl]-2,2-dimethyl-tetrahydro-(3AR,6AR)-furo[3,4-d][1,3]dioxol-4R-yl}-2-chloro-9H-purin-6-yl)-(tetrahydro-pyran-4-yl)-amine                                                                                                                                                              在
                                                                                                                                                                                 
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
3-{6R-[2-Chloro-6-(tetrahydro-pyran-4-ylamino)-purin-9-yl]2,2-dimethyl-tetrahydro-(3aR,6aR)-furo[3,4-d][1,3]dioxol-4R-yl-methoxy}-propan-1-ol