(1,2-dihydro-2-oxo-5-Pyrimidinyl)-boronic acid is primarily used in organic synthesis, particularly in the development of pharmaceuticals. It serves as a key intermediate in the synthesis of various biologically active compounds. Its boronic acid group makes it valuable in Suzuki-Miyaura cross-coupling reactions, which are widely employed to form carbon-carbon bonds in drug discovery and material science. This compound is also utilized in the preparation of pyrimidine derivatives, which are essential in creating antiviral, anticancer, and anti-inflammatory agents. Additionally, its role in the synthesis of nucleoside analogs highlights its importance in medicinal chemistry for designing therapeutic agents targeting genetic disorders and viral infections.