Used as a protected intermediate in the synthesis of biologically active compounds, particularly in pharmaceutical research targeting kinase inhibitors and CNS-active agents. The tert-butoxycarbonyl (Boc) group enables selective protection of the pyrrolopyridine nitrogen, allowing controlled functionalization at other reactive sites during multi-step syntheses. Commonly employed in the development of drug candidates for oncology and neurological disorders due to the scaffold’s favorable binding properties and metabolic stability. Also utilized in combinatorial chemistry for generating compound libraries aimed at identifying new lead structures.