The traditional synthetic methods for polyfluorophenols include multistage reactions which require the use of dangerous reactants and inconvenient reaction condition~.'~-" A direct nucleophilic aromatic substitution requires solvents such as liquid a" onia, 18 dry pyridine, 19 or tert-butyl alcoholz0 under reflux or high pressure and temperature. 21 The use of ethanolic potassium hydroxide
