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Mobile App Chapter 22: Q.69P-A (page 1204)
Question: Predict the products of the following reactions
a. Cyclopentanone +Br2 in acetic acid
Short Answer
Expert verified
Answer
Step by step solution
01
Acid catalyst alpha halogenation
It is a reaction shown by an enolate ion formed by aldehyde or ketone in which halogenation occurs at the alpha position to the carbonyl.
02
Reaction of Cyclopentanone + in acetic acid
Cyclopentanone forms the enolate ion on reaction with the acetic acid, followed by the halogenation at the alpha position to the carbonyl of cyclopentanone as shown:
03
Mechanism
- Carbonyl is protonated with acetic acid
- Formation of the enolate ion
- Alpha halogenation
Mechanism
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