2-(2-Oxoimidazolidin-1-yl)thiazole-5-carboxylate   、                                                                                      
ethyl 2-(2-oxoimidazolidin-1-yl)-4-(trifluoromethyl)thiazole-5-carboxylate   、                                                                                      
4-氟溴苄                                                                                                                                                                                                                                                                                                          以the title compound was obtained as a colorless solid in 94% yield的产率得到ethyl 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)-4-(trifluoromethyl)thiazole-5-carboxylate