2-benzyl-2,8-diazaspiro[4.5]decane is primarily utilized in the field of medicinal chemistry as a key intermediate in the synthesis of various biologically active compounds. Its spirocyclic structure makes it a valuable scaffold for developing drugs targeting the central nervous system, particularly for neurological disorders such as depression, anxiety, and schizophrenia. The compound's ability to interact with specific neurotransmitter receptors, such as serotonin and dopamine receptors, enhances its potential in designing novel therapeutics. Additionally, it is explored in the development of enzyme inhibitors and receptor modulators, contributing to advancements in drug discovery and pharmacological research.