Used as a key intermediate in organic synthesis, particularly in the preparation of amino acid derivatives and peptide mimetics. Its cyano and ester functional groups allow for diverse transformations, including hydrolysis, reduction, and nucleophilic addition, enabling the construction of complex nitrogen-containing molecules. Commonly employed in medicinal chemistry for the synthesis of protected α-amino acids and heterocyclic compounds. The dual protection (Boc and tert-butyl ester) permits selective deprotection and stepwise elaboration in multi-step syntheses, making it valuable in the development of pharmaceuticals and bioactive molecules.