Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other bioactive molecules. Its protected piperazine structure with a hydroxymethyl group allows for selective functionalization, making it valuable in medicinal chemistry for creating enantiomerically pure compounds. Commonly employed in the preparation of drug candidates targeting viral infections and central nervous system disorders. The tert-butyl carbamate (Boc) groups provide stability during synthesis and can be selectively removed under mild acidic conditions, enabling stepwise construction of complex molecules.