What is the value of the index of hydrogen deficiency of aspartame, shown below?

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What is the value of the index of hydrogen deficiency of aspartame, shown below?

### Chemical Structure of L-Glutamine Methyl Ester
#### Molecular Representation and Functional Groups

The image presented is the chemical structure of **L-Glutamine Methyl Ester**, a derivative of the amino acid glutamine. Below is a detailed explanation of its structure:

1. **Benzene Ring (Phenyl Group)**:
   - On the right side of the structure, there is a benzene ring, which is a hexagonal ring consisting of six carbon atoms with alternating double bonds.

2. **Side Chain and Linkages**:
   - Attached to the benzene ring is a chain extending from one of the carbon atoms. This chain includes a methylene group (–CH2–) that connects the benzene ring to an ester linkage.

3. **Ester Linkage (Ester Group)**:
   - The ester linkage is identified by the group –COOCH3. It comprises a carbonyl group (C=O) bonded to an oxygen atom that is also bonded to a methyl group (–CH3).

4. **Amide Bond**:
   - This linkage features an amide bond (–CONH–) connecting to another chain consisting of carbon atoms.

5. **Glutamine Backbone**:
   - The backbone consists of a chain of carbon atoms with a characteristic sequence of functional groups:
     - An amine group (–NH2) attached to a carbon atom.
     - A carboxyl group (–COOH) at the end of the chain.
     - Another carbonyl group (C=O) bonded to a nitrogen atom of the amide bond.

6. **Cap Structure**:
   - The end of the molecule which does not connect to the benzene ring includes an –OH group and an –NH2 group.

#### Functional Explanation:
- **Ester Group**:
  Esterification of glutamine forms the methyl ester group, enhancing its chemical properties and stability, which can be useful in various biochemical applications including drug delivery.
  
- **Amide Group**:
  The structure includes an amide linkage, crucial for the formation of peptides and the stability of secondary structures in proteins.

- **Carboxyl and Amino Groups**:
  The presence of both amino and carboxyl groups makes it a zwitterion in aqueous solutions, contributing to its role in protein synthesis and metabolism.

Understanding this molecule's structure is vital for applications in biochemistry, pharmacology, and organic
Transcribed Image Text:### Chemical Structure of L-Glutamine Methyl Ester #### Molecular Representation and Functional Groups The image presented is the chemical structure of **L-Glutamine Methyl Ester**, a derivative of the amino acid glutamine. Below is a detailed explanation of its structure: 1. **Benzene Ring (Phenyl Group)**: - On the right side of the structure, there is a benzene ring, which is a hexagonal ring consisting of six carbon atoms with alternating double bonds. 2. **Side Chain and Linkages**: - Attached to the benzene ring is a chain extending from one of the carbon atoms. This chain includes a methylene group (–CH2–) that connects the benzene ring to an ester linkage. 3. **Ester Linkage (Ester Group)**: - The ester linkage is identified by the group –COOCH3. It comprises a carbonyl group (C=O) bonded to an oxygen atom that is also bonded to a methyl group (–CH3). 4. **Amide Bond**: - This linkage features an amide bond (–CONH–) connecting to another chain consisting of carbon atoms. 5. **Glutamine Backbone**: - The backbone consists of a chain of carbon atoms with a characteristic sequence of functional groups: - An amine group (–NH2) attached to a carbon atom. - A carboxyl group (–COOH) at the end of the chain. - Another carbonyl group (C=O) bonded to a nitrogen atom of the amide bond. 6. **Cap Structure**: - The end of the molecule which does not connect to the benzene ring includes an –OH group and an –NH2 group. #### Functional Explanation: - **Ester Group**: Esterification of glutamine forms the methyl ester group, enhancing its chemical properties and stability, which can be useful in various biochemical applications including drug delivery. - **Amide Group**: The structure includes an amide linkage, crucial for the formation of peptides and the stability of secondary structures in proteins. - **Carboxyl and Amino Groups**: The presence of both amino and carboxyl groups makes it a zwitterion in aqueous solutions, contributing to its role in protein synthesis and metabolism. Understanding this molecule's structure is vital for applications in biochemistry, pharmacology, and organic
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