Used as a key intermediate in the synthesis of indole-based pharmaceuticals, particularly in the development of kinase inhibitors and antitumor agents. The presence of the nitro and bromo groups allows for selective functionalization through reduction and cross-coupling reactions, such as Suzuki or Heck reactions, enabling the construction of complex molecular architectures. The N-Boc protecting group ensures stability of the indole nitrogen during multi-step syntheses and can be easily removed under mild acidic conditions when needed. Commonly employed in medicinal chemistry for generating compound libraries in drug discovery programs targeting cancer and inflammatory diseases.