Halogenation of Alkanes +C, H cyclohexane chlorocyclohexane (50%) CHs CH CH一C一H+ Br2 CH-C-Br CH, CH isobutane tert-butyl bromide (90%) Chlorination is not selective. Bromination is highly selective: 39 carbons 29 carbons 19 carbons 2013 Pearson Education Inc. 19 Halogenation of Alkanes • Chlorination is not selective. • Bromination is highly selective: 3º carbons > 2º carbons > 1º carbons 19 © 2013 Pearson Education Inc