Used as a key intermediate in the synthesis of biologically active compounds, particularly in pharmaceutical development. Its protected amine and ester functional groups make it valuable for constructing complex molecules, especially in peptidomimetics and drug candidates targeting central nervous system disorders. The Boc-protected amine allows for controlled deprotection and further coupling reactions, enabling efficient solid-phase or solution-phase peptide synthesis. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its rigid cyclobutane scaffold, which helps stabilize specific molecular conformations important for receptor binding.