Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antimalarial and anticancer agents. Its structure supports the creation of complex quinoline-based compounds that exhibit biological activity. Commonly employed in research settings to design inhibitors targeting specific enzymes or receptors. Also utilized in the preparation of fluorescent probes due to the inherent photophysical properties of the quinoline scaffold. Plays a role in coordination chemistry as a ligand for metal ions in catalytic systems.