This compound is commonly used as a building block in peptide synthesis, particularly in the production of peptides with specific structural configurations. It is often employed in the pharmaceutical industry to create peptide-based drugs, where the D-proline derivative helps enhance stability and bioavailability. Additionally, it is utilized in research to study peptide folding and interactions, aiding in the development of novel therapeutic agents. Its tert-butyl ester group provides protection during synthesis, ensuring selective reactions and efficient peptide chain assembly.