This compound is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of various biologically active molecules. Its structure serves as a scaffold for developing inhibitors targeting specific enzymes or receptors, particularly in the design of anticancer and antiviral agents. Researchers leverage its brominated thienopyrimidinone core to introduce modifications that enhance binding affinity and selectivity toward therapeutic targets. Additionally, it finds application in organic synthesis for constructing complex heterocyclic compounds, which are valuable in drug discovery and material science. Its versatility and reactivity make it a valuable building block in the development of novel pharmaceutical compounds.