Why Phenyllithium and Bromobutane are produced in the reaction of Butyllithium and Bromobenzene?

In Halogen–metal exchange topic from Organic chemistry by Clayden and others There are few reaction like Ph-Br+Bu-Li -> Ph-Li+ Bu-Br. Why Ph-Br and LiBr are not produced? If so, the products...

05 October 2020 7,397 11 View