N-[(3aR,4S,6S,6aS)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-5-nitro-pyrimidine-4,6-diamine                                                                                                                                                              在
                                                                                                                                                                                 
四丁基氟化铵   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (1R,2S,3R,5R)-3-(6-Amino-5-nitro-pyrimidin-4-ylamino)-5-hydroxymethyl-cyclopentane-1,2-diol