Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of antiviral and central nervous system agents. Its rigid cyclopentane backbone and functional groups in defined stereochemistry make it valuable for designing enzyme inhibitors and receptor-targeted drugs. Commonly employed in medicinal chemistry for structure-activity relationship studies where stereochemistry influences biological activity. Also utilized in the preparation of conformationally constrained analogs of bioactive molecules to enhance metabolic stability and selectivity.