Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and antiviral agents. Its cyclopropane scaffold with defined stereochemistry allows for precise spatial orientation of functional groups, enhancing drug selectivity. The amine and ester functionalities enable further chemical modifications, making it valuable in medicinal chemistry for constructing complex molecules with high enantiomeric purity. Commonly employed in research settings for asymmetric synthesis and optimization of bioactive compounds.