This compound is an N-methyl protected derivative of tyrosine, primarily utilized in peptide synthesis as a building block for constructing peptides with specific sequences, particularly in solid-phase peptide synthesis (SPPS). The fluorenylmethoxycarbonyl (Fmoc) group acts as a temporary protecting group for the N-methyl amino functionality, allowing selective deprotection during the synthesis process. The tert-butoxy group on the phenyl ring provides additional protection for the tyrosine side chain, ensuring stability during peptide elongation. Its application is critical in the production of peptides for pharmaceutical research, drug development, and biochemical studies, enabling the creation of complex peptide structures with high precision, including those incorporating N-methylated amino acids.