Used as a protected derivative of vanillylamine in organic synthesis, particularly in pharmaceutical intermediates where selective functional group manipulation is required. The tert-butoxycarbonyl (Boc) group provides stability under various reaction conditions and can be easily removed under acidic conditions without affecting other sensitive moieties. This compound is valuable in the preparation of bioactive molecules, including capsaicin analogs and other vanilloid receptor ligands, due to its ability to mask the amine functionality during multi-step syntheses. Its phenolic hydroxyl and methoxy groups also allow for further aromatic modifications, making it a versatile building block in medicinal chemistry.