The halex reaction describes any aryl HALogen EXchange. The chlorine atom in aryl chlorides (with electron-withdrawing substituents) is replaced by fluorine with potassium fluoride using polar solvents such as DMF and DMSO and high temperatures.
Read more about this topic: Finkelstein Reaction
Famous quotes containing the word reaction:
“The excessive increase of anything often causes a reaction in the opposite direction.”
—Plato (c. 427–347 B.C.)