This compound is primarily used in organic synthesis, particularly in the pharmaceutical industry, as an intermediate for the production of various active pharmaceutical ingredients (APIs). Its tert-butoxycarbonyl (Boc) protecting group is crucial in peptide synthesis, where it safeguards the amine functionality during reactions, allowing selective deprotection later. The phenyl and pyrrolidine moieties contribute to its utility in designing molecules with specific biological activities, such as enzyme inhibitors or receptor modulators. Additionally, it serves as a building block in the development of complex organic molecules, including heterocyclic compounds, which are often explored for their therapeutic potential in drug discovery and medicinal chemistry.