1-N-Boc-4-(Phenylamino)piperidine is an amino acid derivative widely employed as a reagent in organic synthesis. This compound exhibits remarkable versatility, finding applications in various fields such as peptide and protein synthesis, organic synthesis, and drug development. It possesses strong basic properties, allowing for diverse reactions with acids that lead to the formation of a wide array of products. The extensive use of this compound in organic synthesis is well-documented, particularly in the synthesis of peptides and proteins. By facilitating the coupling of amino acids, it enables the creation of peptides that can be utilized in diverse applications, including the development of pharmaceutical drugs.