Used primarily in peptide synthesis, this compound serves as a protected form of 4,4-difluoro-L-proline, enabling the introduction of fluorine atoms into peptides to enhance their stability and biological activity. It is particularly valuable in medicinal chemistry for designing peptide-based drugs with improved metabolic stability and binding affinity. The Boc group ensures selective deprotection during synthesis, while the methyl ester facilitates solubility and handling. Its application is crucial in developing fluorinated peptides for therapeutic and diagnostic purposes.