tert-butyl 3-(3-chloro-4-(5-(8-chloro-6-(trifluoromethyl)-imidazo[1,2-a]pyridin-2-yl)-1,2,4-oxadiazol-3-yl)phenyl)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 product (0.28 g, 52% yield) as a white solid的产率得到3-(3-chloro-4-(5-(8-chloro-6-(trifluoromethyl)-imidazo[1,2-a]pyridin-2-yl)-1,2,4-oxadiazol-3-yl)phenyl)propanoic acid