Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of centrally acting agents such as antihypertensives and neurological therapeutics. Its structure supports the formation of bioactive isoquinoline derivatives, which are found in compounds with sedative, anticonvulsant, and dopamine-modulating effects. Commonly employed in medicinal chemistry for constructing complex heterocycles due to its protected amine and reactive hydroxyl group, enabling selective functionalization. Also utilized in research settings for developing novel analogs in drug discovery programs targeting CNS disorders.