Used as an intermediate in pharmaceutical synthesis, particularly in the production of active pharmaceutical ingredients (APIs) involving piperazine derivatives. It serves as a protected form of piperazine, allowing selective reactions at specific sites during multi-step syntheses. Commonly employed in the development of central nervous system agents, antipsychotics, and antihistamines due to the piperazine moiety’s favorable pharmacokinetic properties. Its tert-butyloxycarbonyl (Boc) protection group enables easy removal under mild acidic conditions, making it ideal for use in peptide-like and heterocyclic chemistry. Also utilized in research settings for the preparation of novel bioactive compounds and in combinatorial chemistry for drug discovery.