Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors and other biologically active molecules. Its indoline scaffold is valuable in medicinal chemistry for constructing nitrogen-containing heterocycles. The bromo substituent allows for further functionalization via cross-coupling reactions such as Suzuki or Heck reactions, enabling rapid diversification during drug discovery. Commonly employed in research settings to build complex molecules targeting neurological disorders, inflammation, and cancer. Also utilized in the preparation of novel receptor agonists and antagonists due to the stability and versatility of the protected indoline core.