Draw the major product of this reaction. Ignore inorganic byproducts. Br2 (1 equiv) CH3CO₂H Q

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**Title: Understanding the Major Product of a Bromination Reaction**

**Objective:**
To determine the major product of a given organic reaction and identify the structural changes that occur.

**Reaction Overview:**
- **Starting Material:** Cyclopentanone (a five-membered cyclic ketone).
- **Reagents:** 
  - \( \text{Br}_2 \) (1 equivalent) — Bromine.
  - \( \text{CH}_3\text{CO}_2\text{H} \) — Acetic acid (solvent and catalyst).
  
**Instructions:**
You are tasked with predicting the major product of the reaction. Focus on the changes in the molecular structure of the starting material caused by the addition of bromine, while ignoring any inorganic byproducts that may form.

**Reaction Mechanism:**
1. The bromination generally occurs at the alpha position, which is the carbon atom adjacent to the carbonyl group due to increased acidity of the alpha hydrogen.
2. The presence of acetic acid facilitates the bromination as it can help stabilize intermediates during the reaction.

**Conclusion:**
Draw the major product expected from the bromination of cyclopentanone using molecular sketching tools or manual drawing, ensuring you reflect the structural addition of bromine to the appropriate carbon atom.

**Note for Students:**
Understanding the reactivity of ketones and the influence of different reagents is crucial for predicting organic reaction products. Practice drawing mechanisms to appreciate the step-by-step transformations occurring in such reactions.
Transcribed Image Text:**Title: Understanding the Major Product of a Bromination Reaction** **Objective:** To determine the major product of a given organic reaction and identify the structural changes that occur. **Reaction Overview:** - **Starting Material:** Cyclopentanone (a five-membered cyclic ketone). - **Reagents:** - \( \text{Br}_2 \) (1 equivalent) — Bromine. - \( \text{CH}_3\text{CO}_2\text{H} \) — Acetic acid (solvent and catalyst). **Instructions:** You are tasked with predicting the major product of the reaction. Focus on the changes in the molecular structure of the starting material caused by the addition of bromine, while ignoring any inorganic byproducts that may form. **Reaction Mechanism:** 1. The bromination generally occurs at the alpha position, which is the carbon atom adjacent to the carbonyl group due to increased acidity of the alpha hydrogen. 2. The presence of acetic acid facilitates the bromination as it can help stabilize intermediates during the reaction. **Conclusion:** Draw the major product expected from the bromination of cyclopentanone using molecular sketching tools or manual drawing, ensuring you reflect the structural addition of bromine to the appropriate carbon atom. **Note for Students:** Understanding the reactivity of ketones and the influence of different reagents is crucial for predicting organic reaction products. Practice drawing mechanisms to appreciate the step-by-step transformations occurring in such reactions.
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