Used as a protected amino-alcohol building block in organic synthesis, particularly in the pharmaceutical and agrochemical industries. The silyl ether group provides stability and selectivity during multi-step reactions, allowing controlled deprotection under mild conditions. Commonly employed in the synthesis of complex molecules such as bioactive compounds and polymers, where orthogonal protection strategies are required. Its ethylene glycol-like linker enhances solubility and flexibility in molecular design, making it valuable in drug delivery systems and prodrug development.