(S)-2-(3-(4-(4-chlorophenoxy)phenyl)-2-oxo-4-(3-(trifluoromethyl)phenyl)-imidazolidin-1-yl)-N,N-bis(4-methoxybenzyl)ethanesulfonamide                                                                                                                                                              在
                                                                                                                                                                                 
三氟乙酸   、                                                                                                  
碳酸氢钠   、                                                                                                  
乙酸乙酯   、                                                                                                  Brine   、                                                                                                  
magnesium sulfate   、                                                                                                  silica gel   、                                                                                                  
ethyl acetate n-hexane   、                                                                                                  
(S)-2-(3-(4-(4-chlorophenoxy)phenyl)-2-oxo-4-(3-(trifluoromethyl)phenyl)imidazolidin-1-yl)ethanesulfonamide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
三氟乙酸                                                                                  为溶剂,
                                                                                                                                                    反应 14.0h,
                                                                                                                以to provide the desired product (S)-2-(3-(4-(4-chlorophenoxy)phenyl)-2-oxo-4-(3-(trifluoromethyl)phenyl)-imidazolidin-1-yl)ethanesulfonamide as white solid (1.2 g, 83%)的产率得到(S)-2-(3-(4-(4-chlorophenoxy)phenyl)-2-oxo-4-(3-(trifluoromethyl)phenyl)imidazolidin-1-yl)ethanesulfonamide