Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antiviral, anticancer, and central nervous system agents. Its pyrimidine structure allows for easy modification in drug design, making it valuable in creating compounds that target specific enzymes or receptors. Commonly employed in combinatorial chemistry and medicinal research for building heterocyclic frameworks. Also utilized in the preparation of functionalized pyrimidine derivatives that show biological activity. Due to its vinyl group, it serves as a monomer in the synthesis of specialty polymers, such as conductive polymers and materials for organic electronics requiring electrical conductivity and thermal stability.