Used as an intermediate in organic synthesis, particularly in pharmaceutical and agrochemical industries. It serves as a protected form of pyrrole in the preparation of complex heterocyclic compounds. Commonly employed in palladium-catalyzed coupling reactions to construct nitrogen-containing ring systems. Also utilized in the synthesis of natural products and bioactive molecules where regioselective functionalization of pyrrole rings is required. Its tosyl group stabilizes the nitrogen, allowing selective reactions at carbon positions.