tert-butyl [3-(4-(5-(8-bromo-6-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl)-1,2,4-oxadiazol-3-yl)-3-methylphenyl)]butanoate 在
乙醚 、
异丙醇 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 4.0h,
以to afford the title compound as a white solid (0.120 g, yield 54%)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)-3-methylphenyl)butanoic acid