Used as a key intermediate in the synthesis of pharmaceuticals and biologically active compounds, particularly in the development of indole-based drug candidates. Its protected indole structure allows selective functionalization at specific sites, making it valuable in medicinal chemistry for building complex heterocyclic systems. Commonly employed in cross-coupling reactions such as Suzuki or Heck reactions, where the bromine moiety facilitates carbon-carbon bond formation. The Boc group provides stability and solubility during reaction sequences and can be easily removed under mild acidic conditions when needed. Widely applied in research settings for the preparation of serotonin receptor modulators and other neuroactive agents.