Question: Isoprene has sometimes been used as a starting material in the laboratory synthesis of terpenes. In one such synthesis, the first step is the electrophilic

Isoprene has sometimes been used as a starting material in the laboratory synthesis of terpenes. In one such synthesis, the first step is the electrophilic addition of 2 moles of hydrogen bromide to isoprene to give 1,3-dibromo-3-methylbutane.

Write a series of equations describing the mechanism of this reaction.

CH3 Br CH2 CCH CH22HBCHsCCH2CH2Br 2-Methyl-1,3-butadiene Hydrogen 1,3-Dibromo-3-methylbutane isoprene) bromide

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