Used in the synthesis of nucleoside phosphoramidates, which are crucial intermediates in the production of antiviral and anticancer drugs. It plays a key role in protecting the phosphate group during oligonucleotide synthesis, ensuring the stability and efficiency of the process. Additionally, it is employed in the preparation of prodrugs, enhancing the bioavailability and therapeutic effectiveness of active pharmaceutical ingredients. Its application extends to peptide and protein research, where it aids in the modification and study of biomolecules.