Widely used as an intermediate in pharmaceutical synthesis, particularly in the development of active pharmaceutical ingredients (APIs) involving piperazine scaffolds. Its protected functional groups allow selective reactions in multi-step syntheses, especially in the production of kinase inhibitors and other bioactive molecules. The tert-butyl ester group enables easy deprotection under mild acidic conditions, making it suitable for peptide-like coupling and heterocyclic drug construction. Commonly found in research settings for designing compounds with central nervous system activity and antimicrobial properties.