(2S,4R)-Methyl 4-((tert-butoxycarbonyl)amino)-1-(2-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetyl)pyrrolidine-2-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 lithium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环   、                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                                                        以91%的产率得到(2S,4R)-4-((tert-Butoxycarbonyl)amino)-1-(2-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetyl)pyrrolidine-2-carboxylic acid