In this lesson Chad summarizes allylic and benzylic bromination with NBS. He begins by showing how to predict the products of NBS bromination reactions, and how that when brominating either the allylic or benzylic carbon NBS should be used preferentially over Br2 to avoid side products. He then presents the structure of NBS and the complete mechanism with arrow-pushing for NBS allylic bromination including the initiation, propagation, and termination steps.
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00:00 Lesson Introduction
00:36 Summary of Allylic / Benzylic Bromination with NBS
05:31 NBS Allylic Bromination Mechanism
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