5-(1(S)-amino-2-hydroxyethyl)-N-[(2,4-difluorophenyl)-methyl]-2-[8-methoxy-2-(trifluoromethyl)-5-quinoline]-4-oxazolecarboxamide   、                                                                                      
草酸                                                                                                                                                                                              以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以69.6%的产率得到5-(1(S)-amino-2-hydroxyethyl)-N-[(2,4-difluorophenyl)-methyl]-2-[8-methoxy-2-(trifluoromethyl)-5-quinoline]-4-oxazolecarboxamide oxalate