Application
o-Phenylene phosphorochloridite serves as a highly versatile and reactive compound, primarily used as a cyclic phosphitylating reagent. This colourless liquid, which solidifies at low temperatures, is esteemed for its fast coupling rates and greater hydrolytic cleavage efficiency compared to its acyclic counterparts. Its applications are diverse, acting as a catalyst in the synthesis of bakkane sesquiterpenes, and as a reactant in reversible halogen-halogen ligand substitutions at room temperature and irreversible halogen-oxygen substitutions at higher temperatures. It is also utilized in the preparation of gold(I) trimethoxybenzonitrile phosphine precatalysts, facilitates the synthesis of pyrroles through TMSOTf-catalyzed Arbuzov reactions, and functions as a phosphorylation agent. Additionally, it plays a crucial role in the preparation of vinyl-substituted spirophosphoranes and vinylphosphonates via Markovnikov addition, showcasing its broad utility in various chemical processes.