Boc-(R)-3-Amino-4-(2-Trifluoromethyl-phenyl)-butyric acid is primarily used in the synthesis of peptides and pharmaceutical intermediates. Its Boc (tert-butoxycarbonyl) protecting group makes it valuable in peptide chemistry, as it safeguards the amino group during reactions and can be easily removed under acidic conditions. The trifluoromethyl phenyl moiety enhances the compound's potential in drug development, particularly in creating molecules with improved metabolic stability and binding affinity. This chemical is often employed in the design of bioactive compounds, including enzyme inhibitors and receptor modulators, targeting diseases such as cancer, inflammation, and neurological disorders. Its chiral nature also makes it useful in asymmetric synthesis, enabling the production of enantiomerically pure drugs.