Used primarily as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals. Its structure allows for further functionalization, making it valuable in constructing complex heterocyclic systems. Commonly employed in cross-coupling reactions, such as Suzuki or Heck reactions, to build substituted pyrrole derivatives with biological activity. Also utilized in the research of kinase inhibitors and other medicinal agents due to the pyrrole core’s prevalence in bioactive molecules. Its ester and bromo groups provide convenient handles for modification, enabling the creation of diverse compound libraries for drug discovery.