Used as a chiral building block in the synthesis of complex organic molecules, particularly in pharmaceuticals and bioactive compounds. Its allyl group allows for further functionalization via cross-coupling reactions or olefin transformations, while the Boc-protected amine ensures controlled deprotection and coupling in peptide-like structures. Commonly employed in asymmetric synthesis to introduce stereocenters, especially in protease inhibitors or enzyme modulators. The tert-butyl ester offers stability under various reaction conditions and can be selectively hydrolyzed when needed. Widely applied in medicinal chemistry for constructing intermediates in drug discovery programs.