N-Bromosuccinimide -Br HBr N-H Br2 0 N-bromosuccinimide (NBS) regenerates a low concentration of Br2 N-Bromosuccinimide (NBS)is an allylic brominating agent. Keeps the concentration of Br2 low. 2013 Pearson Education Inc. 22N-Bromosuccinimide • N-Bromosuccinimide (NBS) is an allylic brominating agent. • Keeps the concentration of Br2 low. 22 © 2013 Pearson Education Inc