Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of bioactive molecules with spirocyclic frameworks. Its protected amine and carboxylic acid functionalities make it valuable in peptide-like coupling reactions and heterocyclic chemistry. Commonly employed in medicinal chemistry for constructing structurally complex scaffolds, especially in drug discovery programs targeting central nervous system disorders and metabolic diseases. The Boc-protected amine allows for selective deprotection and further functionalization, enabling stepwise assembly of multi-component molecules. Its rigid spiro structure contributes to enhanced metabolic stability and improved pharmacokinetic profiles in lead compounds.