(R)-()-Indoline-2-carboxylic acid is primarily utilized in the field of pharmaceutical research and development. It serves as a key chiral building block in the synthesis of various biologically active compounds, particularly those targeting neurological and cardiovascular disorders. Its enantiomeric purity makes it valuable for creating enantioselective drugs, ensuring higher efficacy and reduced side effects. Additionally, it is employed in the preparation of peptidomimetics and as an intermediate in the production of complex natural products. Its role in asymmetric synthesis also extends to the development of catalysts and ligands used in organic transformations.