Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of drugs utilizing the bicyclo[1.1.1]pentane (BCP) motif as a bioisostere for phenyl or other aromatic rings. Its structure enables improved metabolic stability, solubility, and reduced off-target effects in drug candidates. The tert-butyl carbamate (Boc) group serves as a protected amine, allowing for selective deprotection and further functionalization during multi-step syntheses. Commonly employed in medicinal chemistry for constructing novel small molecules targeting CNS disorders, inflammation, and oncology. The cyanomethyl group provides a handle for additional chemical transformations, such as reduction to aminomethyl or hydrolysis to carboxylic acid, expanding its utility in lead optimization.