Used as an intermediate in the synthesis of biologically active compounds, particularly in the development of pharmaceuticals targeting central nervous system disorders. Its chiral piperazine structure makes it valuable in creating selective serotonin or dopamine receptor modulators. Commonly employed in medicinal chemistry for structure-activity relationship studies due to the stability and steric influence of the tert-butoxycarbonyl (Boc) protecting group. Facilitates the preparation of enantiomerically pure drug candidates, especially in antidepressants, antipsychotics, and anti-anxiety agents.