Widely used in cross-coupling reactions, this compound serves as a key reagent for introducing the bicyclo[1.1.1]pentane (BCP) group into organic molecules. The BCP moiety is valued as a bioisostere for phenyl and tert-butyl groups in medicinal chemistry, improving pharmacokinetic properties such as metabolic stability and solubility. It enables the synthesis of strained, three-dimensional architectures in drug discovery, particularly in the development of CNS-targeted and anti-inflammatory agents. Its boronate ester functionality allows for efficient Suzuki-Miyaura coupling, making it a versatile building block in late-stage functionalization of complex molecules.