Used as an intermediate in the synthesis of biologically active compounds, particularly in pharmaceutical development. Its protected amine group allows selective reactions at other functional sites, making it valuable in constructing complex molecules. Commonly employed in the preparation of kinase inhibitors and other medicinal agents where a piperazine scaffold is required. The Boc-protected structure enhances stability during multi-step syntheses and is easily deprotected under mild acidic conditions, enabling efficient downstream modifications.