Used in organic synthesis as a building block for pharmaceuticals, particularly in the development of protease inhibitors and targeted cancer therapies. Its boronic acid group enables Suzuki-Miyaura cross-coupling reactions, making it valuable in creating biaryl compounds for drug discovery. Commonly employed in the synthesis of peptide mimics and enzyme inhibitors due to its ability to interact with biological targets through reversible covalent binding. Also utilized in the preparation of labeled compounds for imaging and diagnostic applications.