Fmoc-Prolinol is widely used in peptide synthesis as a protecting group for the amino group of proline. It helps in the stepwise construction of peptides by preventing unwanted reactions during the coupling process. The Fmoc group can be easily removed under mild basic conditions, making it highly suitable for solid-phase peptide synthesis (SPPS). Additionally, it is utilized in the preparation of proline derivatives and chiral auxiliaries, which are essential in asymmetric synthesis and the production of enantiomerically pure compounds. Its application extends to the development of pharmaceuticals, where it aids in the synthesis of peptide-based drugs and bioactive molecules.