This chemical is widely used in peptide synthesis, particularly as a building block for creating complex peptide structures. It is a piperidine derivative serving as a protected intermediate, where the Boc (tert-butoxycarbonyl) group protects the exocyclic amine at position 4 and the Fmoc (fluorenylmethyloxycarbonyl) group protects the ring nitrogen at position 1. The carboxylic acid functionality at position 4 remains free, allowing for selective deprotection of the amines and subsequent coupling reactions. This enables sequential deprotection and coupling steps for the controlled assembly of peptides. Its application is crucial in the development of pharmaceutical compounds, bioactive peptides, and research involving peptide-based therapeutics. Additionally, it is utilized in solid-phase peptide synthesis (SPPS) to ensure high purity and yield of the final peptide product.