tert-butyl 3-(4-(5-fluoro-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)-3-methylpyrrolidine-1-carboxylate   、                                                                                      
2-丁炔-1-基氯甲酸酯                                                                                                                                                              在
                                                                                                                                                                                 crude product   、                                                                                                  
乙腈   、                                                                                                  
水                                                                                                                                  作用下,
                                                                                                                                                                                                                            以to give the title compound (76 mg, 76%) as white solid, 1H NMR (400 MHz, METHANOL-D4) δ ppm 1.08-1.13 (m, 3H) 1.67-1.82 (m, 5H) 1.85-2.01 (m, 2H) 2.34-2.58 (m, 4H) 2.81 (d, J=10.94 Hz, 1H) 2.94-3.07 (m, 1H) 3.21-3.30 (m, 1H) 3.33-3.49 (m, 2H) 3.50-3.65 (m, 1H) 4.16-4.30 (m, 1H) 4.61 (d, J=2.34 Hz, 2H) 6.71-6.86 (m, 2H) 7.31 (dd, J=8.59, 4.30 Hz, 1H)的产率得到but-2-ynyl 3-(4-(5-fluoro-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)-3-methylpyrrolidine-1-carboxylate