Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors and central nervous system (CNS) agents. Its scaffold is valued for enhancing metabolic stability and improving binding affinity in drug candidates. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its rigid, heterocyclic core. Also utilized in the preparation of bioactive molecules targeting inflammation, neurological disorders, and certain cancers. Suitable for solid-phase and solution-phase peptide-like synthesis in combinatorial chemistry.