1-propyl-cyclopropanesulfonamide   、                                                                                      
1-{[(2S,4R)-1-((S)-2-tert-butoxycarbonylamino-3,3-dimethyl-butyryl)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-pyrrolidine-2-carbonyl]-amino}-spiro[2.2]pentane-1-carboxylic acid                                                                                                                                                              在
                                                                                                                                                                                 
N,N'-羰基二咪唑   、                                                                                                  
1,8-二氮杂双环[5.4.0]十一碳-7-烯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 19.0h,
                                                                                                                生成                                                 ((S)-1-{(2S,4R)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-2-[(S)-1-(1-propyl-cyclopropanesulfonylaminocarbonyl)-spiro[2.2]pent-1-ylcarbamoyl]-pyrrolidine-1-carbonyl}-2,2-dimethyl-propyl)-carbamic acid tert-butyl ester   、                                                                                             ((S)-1-{(2S,4R)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-2-[(R)-1-(1-propyl-cyclopropanesulfonylaminocarbonyl)-spiro[2.2]pent-1-ylcarbamoyl]-pyrrolidine-1-carbonyl}-2,2-dimethyl-propyl)-carbamic acid tert-butyl ester