Used in the synthesis of antimalarial drugs, particularly as an intermediate in the production of chloroquine and related derivatives. It plays a key role in medicinal chemistry for developing compounds that inhibit the growth of Plasmodium species, the parasites responsible for malaria. Its structure allows for modifications that enhance drug efficacy and resistance profiles. Also investigated for potential applications in anti-inflammatory and anticancer agents due to its ability to intercalate into DNA and modulate cellular pathways.