Used as an intermediate in the synthesis of biologically active compounds, particularly in pharmaceutical research. It serves as a building block for peptidomimetics and other complex molecules where structural rigidity and functional group compatibility are required. The presence of both keto and ester functionalities allows for further chemical modifications, such as reductions, condensations, and nucleophilic additions. The Boc-protected amine ensures stability during reactions and can be deprotected under mild acidic conditions to release the free amine for subsequent coupling steps. Commonly employed in the development of enzyme inhibitors and receptor ligands.