(1R,2R,4R)-2-[[(1R,2S)-2-ethenyl-1-ethoxycarbonylcyclopropyl]carbamoyl]-4-(7-methoxy-2-phenylquinolin-4-yl)oxycyclopentane-1-carboxylic acid   、                                                                                      
tert-butyl 2-(hex-5-en-1-yl)hydrazinecarboxylate                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二异丙基乙胺   、                                                                                                  N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 16.5h,
                                                                                                                以82%的产率得到(1R,2S)-1-{[(1R,2R,4R)-2-(N'-tert-butoxycarbonyl-N-hex-5-enyl-hydrazinocarbonyl)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-cyclopentanecarbonyl]amino}-2-vinylcyclopropanecarboxylic acid ethyl ester