Used primarily as a key intermediate in pharmaceutical synthesis, especially in Suzuki-Miyaura cross-coupling reactions to construct complex drug molecules. Its boronate ester group enables efficient carbon-carbon bond formation, making it valuable in the development of active pharmaceutical ingredients (APIs). The pyrazole ring with the oxetane methyl group enhances metabolic stability and solubility in drug candidates, often leveraged in medicinal chemistry for designing bioactive compounds. Commonly applied in research and development of kinase inhibitors and other targeted therapies.