Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of isoquinoline-based drugs. Its protected structure allows selective reactions at specific sites during multi-step organic syntheses. Commonly employed in medicinal chemistry for constructing complex nitrogen-containing heterocycles. Also utilized in research settings for developing bioactive molecules, including CNS agents and enzyme inhibitors. The Boc-protected amine group enables easy deprotection under mild acidic conditions, making it ideal for peptide-like coupling strategies and combinatorial library production.