Used as a protecting group reagent in organic synthesis, particularly for the protection of amines. It enables selective functionalization of molecules by reversibly masking amine functionalities under mild conditions. The group can be cleanly removed using nucleophiles like thiols or amines, making it valuable in multi-step syntheses, including the preparation of peptides, alkaloids, and other complex nitrogen-containing compounds. Its stability under a variety of reaction conditions allows for compatibility with diverse synthetic transformations, enhancing its utility in pharmaceutical and fine chemical research.