Used as a chiral building block in the synthesis of biologically active compounds, particularly in pharmaceuticals where stereochemistry plays a critical role. Its cyclopropane core and functional groups allow for selective transformations, making it valuable in the development of protease inhibitors and other therapeutic agents. The benzyl-protected hydroxymethyl group enables stepwise deprotection and coupling reactions, facilitating its incorporation into complex molecules. Commonly employed in medicinal chemistry for structure-activity relationship studies due to its rigid structure and defined stereochemistry.