Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors and other bioactive molecules. Its structure supports the formation of indoline-based scaffolds found in several drug candidates targeting cancer and inflammatory diseases. Commonly employed in medicinal chemistry for building complex heterocyclic systems due to its reactive acetyl and carboxylic acid functional groups, enabling amide coupling and further derivatization. Also utilized in research settings for designing potent and selective enzyme inhibitors.