This compound is primarily utilized in peptide synthesis, where it serves as a building block for creating complex peptide structures. Its role is to protect the morpholine ring during the synthesis process, ensuring that the desired reactions occur at specific sites without interference. The fluorenylmethoxycarbonyl (Fmoc) group is particularly valuable in solid-phase peptide synthesis, as it can be easily removed under mild conditions, allowing for the stepwise construction of peptides. Additionally, the carboxylic acid group provides a reactive site for coupling with other amino acids or peptide fragments, making it a versatile reagent in the production of biologically active peptides and peptidomimetics.