(2-oxo-1,2-dihydropyridin-3-yl)boronic acid is primarily used in organic synthesis, particularly in cross-coupling reactions. It serves as a key building block in the preparation of complex molecules, especially in pharmaceutical research. The boronic acid group enables efficient Suzuki-Miyaura coupling, a widely used method to form carbon-carbon bonds, which is crucial in drug development. Additionally, it is utilized in the synthesis of heterocyclic compounds, which are often found in active pharmaceutical ingredients. Its role in creating biologically active molecules makes it valuable in medicinal chemistry and the development of new therapeutic agents.