(-)-N1-[(1S,2S,3R,4R)-2,3-dihydroxy-4-(tert-butyl-diphenyl-silyloxymethyl)-cyclobutyl]methyl-5-methyl-1H,3H-pyrimidine-2,4-dione                                                                                                                                                              在
                                                                                                                                                                                 
氟化氢吡啶                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以68%的产率得到(+)-N1-[((1S,2S,3R,4R)-2,3-dihydroxy-4-hydroxymethyl)cyclobutyl]methyl-5-methyl-1H,3H-pyrimidine-2,4-dione