Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) that require piperazine scaffolds. Its protected amine functionality allows for selective reactions in multi-step organic syntheses, making it valuable in drug discovery. Commonly employed in the preparation of kinase inhibitors, antiviral agents, and central nervous system (CNS) therapeutics. The tert-butyl carbamate (Boc) group ensures stability during reactions and can be easily removed under mild acidic conditions, enabling efficient deprotection without damaging sensitive molecular structures. Also utilized in combinatorial chemistry and library synthesis for high-throughput screening in medicinal chemistry research.