N-[(1S,2S)-1-amino-1-(4-fluorophenyl)-1-(6-fluoropyridin-3-yl)propan-2-yl]-4-methyl-6-oxo-1,6-dihydropyridine-2-carboxamide                                                                                                                                                              在
                                                                                                                                                                                 
ytterbium(III) triflate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 6.0h,
                                                                                                                以54 mg的产率得到6-[(4S,5S)-4-(4-fluorophenyl)-4-(6-fluoropyridin-3-yl)-5-methyl-4,5-dihydro-1H-imidazol-2-yl]-4-methylpyridin-2(1H)-one