Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the production of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role in biological activity. Its structure allows for selective reactions in asymmetric synthesis, making it valuable in developing drugs with high enantiomeric purity. Commonly employed in the development of antiviral and central nervous system agents. Also utilized in agrochemicals for the creation of enantioselective herbicides and pesticides. Its cyclopropyl group enhances metabolic stability in final compounds, contributing to improved drug half-life and efficacy.