Widely used in pharmaceutical synthesis, this compound serves as a key building block for creating active pharmaceutical ingredients (APIs), particularly in the development of protease inhibitors and other bioactive molecules. Its piperazine core with two ester functionalities allows selective modifications, enabling controlled introduction of substituents during multi-step syntheses. The tert-butoxycarbonyl (Boc) group provides effective amine protection, while the methoxycarbonyl and acetic acid moieties offer sites for peptide coupling or further functionalization. It is especially valuable in medicinal chemistry for constructing complex heterocyclic systems with high purity and yield.