Used as a key intermediate in the synthesis of protease inhibitors, including those targeting viral infections such as hepatitis C and proteasome inhibitors for anti-cancer applications like multiple myeloma. Its boronic acid functionality enables reversible binding to enzyme active sites, enhancing inhibitory activity. Commonly employed in Suzuki-Miyaura cross-coupling reactions during medicinal chemistry research for constructing biaryl frameworks. Also utilized in the preparation of boron-containing drugs due to improved pharmacokinetic properties and target selectivity.