What Is the Reactive Intermediate in the Reaction of 1,3-Diene

question 9

Multiple Choice

What is the reactive intermediate in the reaction of 1,3-diene with HBr,resulting in 1,4-addition?

• A)Allylic radical
• B)Cyclic bromonium
• C)Dienophile
• D)Allylic carbocation

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Definitions:

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