Aspartame, an amide, is the sweetener commonly used in diet cola. COOH CH2 9 CH₂ H₂N-CH-C-NH-CH-COOCH3 aspartame Draw the carboxylic acid that is a reactant in the production of aspartame.

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Chapter1: Chemical Foundations
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**Amidation Reactions**

**Learning Goal:**
To identify characteristics common to all amidation reactions, and to apply these generalities in drawing specific amidation reactants or products.

Amidation reactions are *condensation reactions*. In a condensation reaction, two molecules join with a new covalent bond, and this results from the removal of a small molecule such as a water molecule. The reactants in amidation are a carboxylic acid and an amine, and the products are an amide and a water molecule. The carboxylic acid reactant can be of any type. The amine can be simple ammonia (NH₃), a primary amine, or a secondary amine. It cannot be a tertiary amine because tertiary amines lack the N–H bond.

---

**Part B**

Aspartame, an amide, is the sweetener commonly used in diet cola.

![Chemical structure of Aspartame](https://example.com/structure-of-aspartame.jpg)

**Aspartame's Structure**:
- The chemical structure of aspartame is depicted with the following groups:
  - **COOH**: Carboxylic acid group
  - **CH₂**: Methylene group
  - **NH₂**: Amine group

**Chemical Bonds**:
- Solid lines represent covalent bonds between atoms.
- The double bonds indicate connections such as C=O in carboxyl groups.

**Task Instruction**:
Draw the carboxylic acid that is a reactant in the production of aspartame.

**Drawing Instructions**:
Use the canvas to draw molecules by selecting buttons for bonds (single, double, etc.), atoms, and based on the advanced template toolbars. The single bond is active by default.

**Available Hint(s)**:
Additional hints can be made accessible to assist with the drawing task.
Transcribed Image Text:**Amidation Reactions** **Learning Goal:** To identify characteristics common to all amidation reactions, and to apply these generalities in drawing specific amidation reactants or products. Amidation reactions are *condensation reactions*. In a condensation reaction, two molecules join with a new covalent bond, and this results from the removal of a small molecule such as a water molecule. The reactants in amidation are a carboxylic acid and an amine, and the products are an amide and a water molecule. The carboxylic acid reactant can be of any type. The amine can be simple ammonia (NH₃), a primary amine, or a secondary amine. It cannot be a tertiary amine because tertiary amines lack the N–H bond. --- **Part B** Aspartame, an amide, is the sweetener commonly used in diet cola. ![Chemical structure of Aspartame](https://example.com/structure-of-aspartame.jpg) **Aspartame's Structure**: - The chemical structure of aspartame is depicted with the following groups: - **COOH**: Carboxylic acid group - **CH₂**: Methylene group - **NH₂**: Amine group **Chemical Bonds**: - Solid lines represent covalent bonds between atoms. - The double bonds indicate connections such as C=O in carboxyl groups. **Task Instruction**: Draw the carboxylic acid that is a reactant in the production of aspartame. **Drawing Instructions**: Use the canvas to draw molecules by selecting buttons for bonds (single, double, etc.), atoms, and based on the advanced template toolbars. The single bond is active by default. **Available Hint(s)**: Additional hints can be made accessible to assist with the drawing task.
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