10.3The allylic hydrogens are the ones shown in the structural formulas.(b)(c)(d)10.4The statement of the problem speciFes that in allylic brominations using N-bromosuccinimide theactive reagent is Br2. Thus, the equation for the overall reaction is The propagation steps are analogous to those of other free-radical brominations. An allylic hydrogenis removed by a bromine atom in the Frst step.1HHCyclohexeneBromineatom
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