(R)-Azetidine-2-carboxylic acid is primarily used in the field of organic synthesis and medicinal chemistry. It serves as a valuable building block for the creation of various biologically active compounds. Its unique structure makes it a key intermediate in the synthesis of peptides and peptidomimetics, which are crucial in drug development. Additionally, it is employed in the study of enzyme inhibitors, particularly those targeting proteases, due to its ability to mimic natural amino acids. This compound is also explored in the development of novel pharmaceuticals, including potential treatments for neurological disorders and cancer, owing to its role in modulating biological pathways.