Used as a key intermediate in the synthesis of histamine-related pharmaceuticals, particularly in the development of H1 and H2 receptor antagonists. It plays an important role in medicinal chemistry for protecting the imidazole ring during peptide coupling and other multi-step syntheses. Commonly employed in the preparation of protease inhibitors and kinase inhibitors due to its ability to stabilize reactive intermediates. Also utilized in the construction of biologically active molecules where selective protection of nitrogen atoms is required.