Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of anticoagulant drugs and kinase inhibitors. Its structure supports the formation of heterocyclic systems important in medicinal chemistry. Commonly employed in research settings for constructing quinoline-based derivatives with potential biological activity, including antimicrobial and anticancer properties. Also utilized in organic synthesis to introduce functionalized quinoline moieties into larger molecules, enhancing molecular complexity and binding affinity in drug design.