Draw the starting reactant that would produce this mydrazone when treated with this reagent. Ignore inorganic byproducts. Drawing NH2NH2, TSOH NH₂ N

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**Chemical Reaction Synthesis Task**

**Objective:** Identify and draw the starting reactant needed to produce the given hydrazone when treated with the specified reagent. Inorganic byproducts should be ignored.

**Provided Reagent:**  
- Hydrazine (NH₂NH₂) in the presence of para-toluenesulfonic acid (TsOH).

**Target Product:**
- A hydrazone compound, which includes a benzene ring connected to an ethyl group with an attached NH=N group (hydrazone functionality).

**Reaction Overview:**
The task involves the formation of a hydrazone through a reaction typically with an aldehyde or ketone. The expected starting material would be an aldehyde or ketone with a structure that, when reacted with hydrazine, forms the given hydrazone.

**Illustration Explanation:**
- The diagram at the bottom shows the chemical structure of the hydrazone product.
- The benzene ring is shown with alternating double bonds, and it is bonded to an ethyl group terminating with an NH=N group.

When identifying the starting reactant:
- Consider aldehydes or ketones that could react under these conditions to form the specific hydrazone shown.

**Note for Students:** While choosing the starting material, think about the carbonyl compounds that typically form hydrazones in reactions with hydrazine and acid catalysts.
Transcribed Image Text:**Chemical Reaction Synthesis Task** **Objective:** Identify and draw the starting reactant needed to produce the given hydrazone when treated with the specified reagent. Inorganic byproducts should be ignored. **Provided Reagent:** - Hydrazine (NH₂NH₂) in the presence of para-toluenesulfonic acid (TsOH). **Target Product:** - A hydrazone compound, which includes a benzene ring connected to an ethyl group with an attached NH=N group (hydrazone functionality). **Reaction Overview:** The task involves the formation of a hydrazone through a reaction typically with an aldehyde or ketone. The expected starting material would be an aldehyde or ketone with a structure that, when reacted with hydrazine, forms the given hydrazone. **Illustration Explanation:** - The diagram at the bottom shows the chemical structure of the hydrazone product. - The benzene ring is shown with alternating double bonds, and it is bonded to an ethyl group terminating with an NH=N group. When identifying the starting reactant: - Consider aldehydes or ketones that could react under these conditions to form the specific hydrazone shown. **Note for Students:** While choosing the starting material, think about the carbonyl compounds that typically form hydrazones in reactions with hydrazine and acid catalysts.
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