Ip. Andrews et al., Use of methyllithium in metal/halogen exchange; A mild and efficient method for the synthesis of ortho substituted toluenes, SYN COMMUN, 31(15), 2001, pp. 2323-2327
Methyllithium, in the presence of excess methyl iodide, can be used to conv
ert suitably substituted aromatic bromides to the corresponding toluenes un
der mild conditions and in high yield.