D-2-Bromophenylalanine is primarily used in the field of medicinal chemistry and drug development. It serves as a key intermediate in the synthesis of various pharmaceutical compounds, particularly those targeting neurological disorders and cancer. Its structure allows for incorporation into peptides and small molecules, enhancing their biological activity and specificity. Additionally, it is utilized in research to study enzyme mechanisms and receptor interactions, aiding in the development of enzyme inhibitors and receptor modulators. Its bromine atom also makes it a valuable tool in radiolabeling studies for imaging and diagnostic purposes.