(R)-1-Tosylazetidine-2-carboxylic acid is primarily used as a chiral building block in organic synthesis, particularly in the development of pharmaceuticals. It serves as a key intermediate for the preparation of various biologically active compounds, including beta-lactam antibiotics and other nitrogen-containing heterocycles. Its tosyl group provides a reactive site for further functionalization, enabling the creation of complex molecular structures. Additionally, it is utilized in asymmetric synthesis to introduce chirality into target molecules, which is crucial for the production of enantiomerically pure drugs. Its application extends to medicinal chemistry research, where it aids in the design and synthesis of novel therapeutic agents with improved efficacy and selectivity.