Used primarily in peptide synthesis, it serves as a protecting group for glutamic acid, ensuring selective reactions during the formation of peptide bonds. Its application is crucial in the production of complex peptides and proteins, particularly in pharmaceutical research and development. The compound helps maintain the integrity of the glutamic acid side chain, preventing unwanted interactions. It is also employed in the synthesis of bioactive peptides, where precise control over amino acid reactivity is essential. Additionally, it finds use in the preparation of peptide-based drugs and in the study of peptide structure and function.