Sive the products: a) CH3 НО ОН HCI 1H2N-NH2, H+ A B

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3a. give the product
**Title: Reaction of Phenylacetone with Reagents to Form Products A and B**

### Objective:
To determine the products formed when phenylacetone (a ketone) reacts with different reagents.

### Reaction Description:

**Reactant:**
- Phenylacetone: A ketone with an acetone group attached to a phenyl ring.

**Reagents and Reaction Pathways:**

1. **Pathway A:**
   - **Reagents:** Ethylene glycol (HOCH2CH2OH) and hydrochloric acid (HCl).
   - **Expected Product (A):** This is an acetal formation reaction. In the presence of acid, ketones react with diols like ethylene glycol to form cyclic acetals. Product A is likely to be a cyclic acetal of phenylacetone.

2. **Pathway B:**
   - **Reagents:** Hydrazine (H2N-NH2) and an acid catalyst (H+).
   - **Expected Product (B):** This is a hydrazone formation reaction since ketones react with hydrazine to form hydrazones. Product B is likely to be the corresponding phenylacetone hydrazone.
  
### Diagrams Explanation:

- **Starting Material:** The diagram shows phenylacetone, characterized by a phenyl ring attached to an acetone group (a ketone).
- **Pathway A Diagram:** Indicates the use of ethylene glycol and HCl leading to Product A via acetal formation.
- **Pathway B Diagram:** Indicates the use of hydrazine and H+ leading to Product B via hydrazone formation.

### Conclusion:
Two different pathways with distinct reagents alter phenylacetone to yield either a cyclic acetal or a hydrazone, showcasing fundamental organic chemistry transformations.
Transcribed Image Text:**Title: Reaction of Phenylacetone with Reagents to Form Products A and B** ### Objective: To determine the products formed when phenylacetone (a ketone) reacts with different reagents. ### Reaction Description: **Reactant:** - Phenylacetone: A ketone with an acetone group attached to a phenyl ring. **Reagents and Reaction Pathways:** 1. **Pathway A:** - **Reagents:** Ethylene glycol (HOCH2CH2OH) and hydrochloric acid (HCl). - **Expected Product (A):** This is an acetal formation reaction. In the presence of acid, ketones react with diols like ethylene glycol to form cyclic acetals. Product A is likely to be a cyclic acetal of phenylacetone. 2. **Pathway B:** - **Reagents:** Hydrazine (H2N-NH2) and an acid catalyst (H+). - **Expected Product (B):** This is a hydrazone formation reaction since ketones react with hydrazine to form hydrazones. Product B is likely to be the corresponding phenylacetone hydrazone. ### Diagrams Explanation: - **Starting Material:** The diagram shows phenylacetone, characterized by a phenyl ring attached to an acetone group (a ketone). - **Pathway A Diagram:** Indicates the use of ethylene glycol and HCl leading to Product A via acetal formation. - **Pathway B Diagram:** Indicates the use of hydrazine and H+ leading to Product B via hydrazone formation. ### Conclusion: Two different pathways with distinct reagents alter phenylacetone to yield either a cyclic acetal or a hydrazone, showcasing fundamental organic chemistry transformations.
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