Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its aldehyde functionality allows for further chemical transformations such as reductive amination or Wittig reactions, enabling the construction of complex nitrogen-containing heterocycles. Commonly employed in the production of medicinal compounds including CNS agents, antiviral drugs, and kinase inhibitors. The tert-butyl carbamate (Boc) group provides stability and selective deprotection under mild acidic conditions, making it ideal for multi-step synthetic routes in drug discovery and process chemistry.