L-Cyclopropylglycine 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 metabolic diseases. Its unique cyclopropyl structure allows it to act as a building block for creating molecules that can interact with specific biological targets, such as enzymes or receptors. Additionally, it is utilized in research to study the structure-activity relationships of amino acid derivatives, aiding in the design of more effective and selective drugs. Its applications extend to the development of peptide-based therapies and inhibitors for therapeutic purposes.