Acetic acid (1S,2R,3R,4R)-2,3,4,5-tetraacetoxy-1-(8-acetyl-7-oxo-5-phenyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)-pentyl ester                                                                                                                                                              在
                                                                                                                                                                                 
ammonium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以52%的产率得到8-Acetyl-3-((1S,2R,3R,4R)-1,2,3,4,5-pentahydroxy-pentyl)-5-phenyl-8H-[1,2,4]triazolo[4,3-a]pyrimidin-7-one