(S)-2-Aminobut-3-Enoic Acid is primarily used in the field of organic synthesis and medicinal chemistry. It serves as a key intermediate in the production of various biologically active compounds, particularly in the synthesis of chiral molecules. Its unique structure allows it to act as a building block for the development of pharmaceuticals, including antiviral and anticancer agents. Additionally, it is utilized in the synthesis of peptides and peptidomimetics, which are crucial in drug discovery and development. The compound’s chiral nature also makes it valuable in asymmetric synthesis, enabling the creation of enantiomerically pure substances for therapeutic applications.