Used as a key intermediate in the synthesis of antiviral drugs, particularly in the production of nucleoside analogs. Its structure allows for functionalization at multiple sites, making it valuable in medicinal chemistry for building complex molecules. Commonly employed in the development of pharmaceuticals where a rigid, polar scaffold is needed to enhance binding affinity and metabolic stability. Also utilized in the preparation of prodrugs due to the presence of hydroxyl and ester groups that can be modified for improved bioavailability.