Used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals. Its protected amine group allows for selective reactions in multi-step synthesis. The tert-butyl carbamate (Boc) protecting group enhances stability during reactions and can be easily removed under mild acidic conditions, making it valuable in peptide and heterocyclic compound synthesis. The thietane ring contributes to structural rigidity and can influence metabolic stability in bioactive molecules.