Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) that require chiral piperazine scaffolds. Its protected amine group allows for selective reactions in multi-step organic syntheses, making it valuable in drug discovery for central nervous system agents, antipsychotics, and other bioactive molecules. The tert-butyl carbamate (Boc) protection ensures stability during reactions and can be easily removed under mild acidic conditions when needed. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its stereochemical purity and structural versatility.