6-(4-fluorophenyl)-8-methoxy-5-(trifluoromethyl)quinazolin-4(3H)-one 、
6-bromo-8-methoxy-5-(trifluoromethyl)quinazolin-4(3H)-one 、
三溴化硼 在
碳酸氢钠 作用下,
以afforded the title compound as a light purple solid (30%)的产率得到6-(4-fluorophenyl)-8-hydroxy-5-(trifluoromethyl)quinazolin-4(3H)-one