Used as an intermediate in pharmaceutical synthesis, particularly in the development of thiophene-based drug candidates. Its protected amine group allows for selective reactions in multi-step organic syntheses. Commonly employed in the preparation of kinase inhibitors and other bioactive molecules where the thiophene ring acts as a core scaffold. The tert-butyl carbamate (Boc) group ensures stability during reactions and can be easily removed under mild acidic conditions, making it ideal for use in peptide-like coupling and heterocyclic chemistry. Also utilized in the fabrication of organic semiconductors due to the electron-rich nature of the thiophene ring.