Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of peptide-based drugs and enzyme inhibitors. Its structure allows for selective protection of amino groups, making it valuable in solid-phase peptide synthesis. Commonly employed in the preparation of bioactive molecules where a cycloheptyl moiety is required to enhance metabolic stability or receptor binding affinity. Also utilized in medicinal chemistry for constructing constrained analogs of natural amino acids to improve pharmacokinetic properties.