Chapter 21, Problem 146CP

 (a)

Interpretation Introduction

Interpretation: The naturally occurring amino acid to which the given amino acid is similar is to be named. The structure of the tetra peptide containing the synthetic amino acid is to be drawn indicating its chiral carbon atoms.

Concept introduction: When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. A tetra peptide is defined as an $\text{oligopeptide}$ as it is formed by joining four amino acids by peptide linkage and a chiral carbon atom is one that is attached to four different types of atoms or groups of atoms and also known as asymmetric carbon.

To determine: The naturally occurring amino acid which is similar to the given non-naturally occurring amino acid.

(b)

Interpretation Introduction

Interpretation: The naturally occurring amino acid to which the given amino acid is similar is to be named. The structure of the tetra peptide containing the synthetic amino acid is to be drawn indicating its chiral carbon atoms.

Concept introduction: When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. A tetra peptide is defined as an $\text{oligopeptide}$ as it is formed by joining four amino acids by peptide linkage and a chiral carbon atom is one that is attached to four different types of atoms or groups of atoms and also known as asymmetric carbon.

To determine: The structure of the tetra peptide containing the synthetic amino acid.

(c)

Interpretation Introduction

Interpretation: The naturally occurring amino acid to which the given amino acid is similar is to be named. The structure of the tetra peptide containing the synthetic amino acid is to be drawn indicating its chiral carbon atoms.

Concept introduction: When two or more amino acids are linked in a chain, a compound called peptide is formed in which the carboxyl group of each acid is joined to the amino group of the next forming a $\text{-OC-NH-}$ bond, known as peptide bond. A tetra peptide is defined as an $\text{oligopeptide}$ as it is formed by joining four amino acids by peptide linkage and a chiral carbon atom is one that is attached to four different types of atoms or groups of atoms and also known as asymmetric carbon.

To determine: The chiral carbon atoms present in the synthetic amino acid.