Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) that require piperazine-based structures. Its protected piperazine ring allows for selective reactions at other functional sites, making it valuable in multi-step organic syntheses. Commonly employed in the preparation of drug candidates targeting central nervous system disorders, receptor antagonists, and kinase inhibitors. The Boc-protected group enhances stability during reactions and can be easily deprotected under mild acidic conditions, enabling efficient downstream processing in medicinal chemistry.