Used as a key intermediate in the synthesis of anticoagulant pharmaceuticals, particularly in the production of direct thrombin inhibitors. Its boronic acid group enables reversible binding to serine proteases, making it valuable in targeted enzyme inhibitor design. Also employed in Suzuki-Miyaura cross-coupling reactions for constructing biaryl frameworks in medicinal chemistry. The carboxyvinyl moiety allows further functionalization, facilitating the development of prodrugs or water-soluble derivatives. Commonly applied in research settings for developing boron-containing bioactive molecules.