Used as a key intermediate in the synthesis of pharmaceutical agents, particularly in the development of antiviral and antifungal compounds. Its structure allows for selective binding in biological systems, making it valuable in drug design for targeting specific enzymes or receptors. Commonly employed in the preparation of active pharmaceutical ingredients (APIs) where cyclopropyl amine moieties enhance metabolic stability and bioavailability. Also utilized in research settings for the creation of novel analogs in medicinal chemistry programs.