杂氮环丁烷   、                                                                                      
methanesulfonic acid (3S,4R)-4-[(5-chloro-thiophene-2-carbonyl)-amino]-1-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenylcarbamoyl]-methyl}-pyrrolidin-3-ylmethyl ester                                                                                                                                                                                              以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 72.0h,
                                                                                                                生成                                                 5-chloro-thiophene-2-carboxylic acid ((3R,4S)-4-azetidin-1-ylmethyl-1-([2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenylcarbamoyl]-methyl)-pyrrolidin-3-yl)amide diformiate