Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of antiviral and antitumor agents. It serves as a chiral building block in asymmetric synthesis, enabling the development of enantiomerically pure drugs. Commonly employed in the preparation of protease inhibitors and nucleoside analogs. Also utilized in the manufacture of specialty polymers and as a solvent or reagent in organic reactions where a polar, aprotic medium with hydroxyl functionality is required.