(S)-4-Benzylmorpholine-3-carboxylic acid is primarily utilized in pharmaceutical research and development as a key intermediate in the synthesis of various bioactive compounds. Its structure is particularly valuable in the design of drugs targeting neurological disorders, as it can be incorporated into molecules that interact with specific receptors in the brain. Additionally, it is used in the creation of chiral catalysts for asymmetric synthesis, enhancing the efficiency and selectivity of chemical reactions. The compound also finds applications in the development of peptide mimetics, which are important in the study of protein-protein interactions and the design of therapeutic agents.