F. Mongin et M. Schlosser, REGIOSELECTIVE ORTHO-LITHIATION OF CHLORO AND BROMO SUBSTITUTED FLUOROARENES, Tetrahedron letters, 37(36), 1996, pp. 6551-6554
Deprotonation of fluoroarenes carrying chlorine or bromine as addition
al substituents occurs always at a fluorine adjacent position if accom
plished with potassium tert-butoxide activated butyllithium or lithium
2,2,6,6-tetramethylpiperidide. Copyright (C) 1996 Published by Elsevi
er Science Ltd