Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where piperazine rings are required. Its structure allows for selective protection of amines during multi-step syntheses, making it valuable in peptide chemistry and the production of heterocyclic compounds. Commonly employed in drug discovery for antiviral, anticancer, and central nervous system agents due to its ability to enhance solubility and bioavailability of target molecules. Also utilized in the preparation of protease inhibitors and receptor antagonists.