Tetronic acid derivatives are primarily used in the synthesis of pharmaceuticals and biologically active compounds. They serve as key intermediates in the development of antibiotics, antiviral agents, and anti-inflammatory drugs due to their unique five-membered ring structure that mimics certain biological motifs. These compounds also show potential in agrochemical applications, particularly in the design of herbicides and fungicides. Additionally, tetronic acid scaffolds are explored in materials science for their ability to form metal complexes useful in catalysis and functional polymers. Their reactivity and structural versatility make them valuable in medicinal chemistry research and drug discovery pipelines.