Used as a key chiral building block in the synthesis of pharmaceuticals, particularly in the development of fluorinated analogs of biologically active molecules. Its strained cyclopropane ring and fluorine substituent enhance metabolic stability and binding affinity in drug candidates. Commonly employed in the preparation of protease inhibitors, antiviral agents, and central nervous system drugs where stereochemistry and fluorination play critical roles in activity. The (1R,2R) configuration allows for stereoselective transformations, making it valuable in asymmetric synthesis and medicinal chemistry research.