Used as a protected amine building block in organic synthesis, particularly in pharmaceutical and agrochemical research. The tert-butyl carbamate (Boc) group allows for reversible protection of the amine, enabling selective reactions at other functional sites. The phthalimide-derived alkoxy group acts as a linker or activating moiety, useful in the preparation of conjugates, prodrugs, or functionalized polymers. Commonly employed in solid-phase synthesis and the development of bioactive molecules where controlled deprotection and coupling are required.