Used as a key chiral building block in the synthesis of pharmaceuticals, particularly antiviral and antidiabetic agents. Its rigid cyclopentane backbone and functional groups make it ideal for designing enzyme inhibitors. Commonly employed in the development of nucleoside analogs, where it serves as a structural mimic of sugar moieties, enhancing metabolic stability and target selectivity. Also utilized in medicinal chemistry for structure-activity relationship (SAR) studies due to its stereochemical purity and ability to influence pharmacokinetic properties.