Used in pharmaceutical research as a protected intermediate in the synthesis of serotonin-related compounds and neuroactive agents. The BOC (tert-butoxycarbonyl) group allows selective protection of the amine function, enabling controlled chemical modifications on the indole or carboxyl side. Commonly applied in peptide synthesis and development of tryptophan-based prodrugs. Also utilized in studies involving metabolic pathways of tryptophan derivatives due to its stability and selective deprotection properties.