Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of quinolone-based drugs with antimicrobial and anticancer activities. It serves as a building block for modifying the quinoline core structure to enhance biological activity and selectivity. Commonly employed in research settings to prepare derivatives for screening in drug discovery programs. Also utilized in the preparation of fluorescent dyes and sensors due to the inherent photophysical properties of the dihydroquinoline scaffold. Its reactivity at the carbonyl and active methylene groups allows for diverse functionalization, making it valuable in organic synthesis and medicinal chemistry.