Used as an intermediate in the synthesis of specialty polyamides and pharmaceuticals. It serves in the production of modified peptides and proteins, enhancing metabolic stability and bioavailability. Also employed in the development of enzyme inhibitors and as a protecting group in organic synthesis due to its ability to mask amine functionalities. Its ring structure allows for controlled release in prodrug designs, making it valuable in medicinal chemistry. Additionally, it finds use in polymer modification to improve thermal and mechanical properties.