N-Boc-O-Benzyl-L-serine is widely used in peptide synthesis as a protected form of L-serine. The Boc (tert-butoxycarbonyl) group protects the amine functionality, while the benzyl group protects the hydroxyl group, allowing selective reactions to occur at other sites in the molecule. This compound is particularly useful in solid-phase peptide synthesis (SPPS) where sequential deprotection and coupling steps are required. It ensures the integrity of the serine residue during the synthesis process, preventing unwanted side reactions. Additionally, it is employed in the preparation of complex peptides and peptidomimetics, which are essential in drug discovery and development. Its stability and ease of deprotection make it a valuable building block in organic and medicinal chemistry.