(2-(tert-Butyl)pyrimidin-5-yl)boronic acid is primarily used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is widely employed in the pharmaceutical industry to create complex organic molecules, including drug candidates. The compound serves as a key intermediate in the construction of pyrimidine-based structures, which are often found in bioactive molecules. Its boronic acid group facilitates the formation of carbon-carbon bonds, enabling the synthesis of diverse chemical entities. Additionally, it is utilized in the development of materials science applications, such as the creation of polymers and advanced organic materials. Its stability and reactivity make it a valuable tool in medicinal chemistry and material research.