Used as a key intermediate in the synthesis of fluorinated quinoline-based pharmaceuticals, particularly in the development of antimalarial and anticancer agents. Its aldehyde group allows for easy functionalization, enabling the construction of complex heterocyclic systems. Commonly employed in condensation reactions to form Schiff bases or in nucleophilic addition reactions to introduce side chains that enhance biological activity. Also utilized in agrochemical research for designing novel pesticides with improved efficacy and environmental profiles.