tert-butyl 3-(4-(5-(8-bromo-6-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl)-1,2,4-oxadiazol-3-yl)-2-chloro-5-methylphenyl)propanoate                                                                                                                                                              在
                                                                                                                                                                                 
乙醚   、                                                                                                  
异丙醇                                                                                                                                  作用下,
                                                                                                                以
                                                                                         trifluoracetic acid-dichloromethane                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以to afford the title compound as a white solid (296 mg, yield 61.8%)的产率得到3-(4-(5-(8-bromo-6-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl)-1,2,4-oxadiazol-3-yl)-2-chloro-5-methylphenyl)propanoic acid