Used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions, to construct biaryl compounds which are key intermediates in pharmaceuticals and agrochemicals. Its boronic acid functionality allows for carbon-carbon bond formation under mild conditions, making it valuable in drug discovery and development. The tert-butyl ester group enhances stability and solubility during reaction processes, and can be easily deprotected to yield carboxylic acid derivatives for further functionalization. Commonly employed in the synthesis of complex molecules where controlled reactivity and functional group tolerance are required.