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Benzyltriphenylphosphonium bromide is used as a reactant for stereoselective azidolysis of vinyl epoxides, enantioselective aziridination and Friedel-Crafts cyclization for asymmetric synthesis of dihydrexidine, biomimetic iron(III) mediated oxidative dimerization for synthesis of benzoquinone parvistemin A, enantioselective synthesis of syn-diarylheptanoids from D-glucose, preparation of β-amyloid plaque ligands and decarboxylative cyclopropanation. It react with 4-methyl-oxetan-2-one to produce 4-hydroxy-1-phenyl-1-(triphenyl-l5-phosphanylidene)-pentan-2-one.
Saumen Hajra, Sukanta Bar. Catalytic enantioselective synthesis of A-86929, a dopamine D1 agonist. Chemical Communications. 2011, 47 (13), 3981-3982.
Marcus J Smith, Christopher C Nawrat, Christopher J Moody. Synthesis of parvistemin A via biomimetic oxidative dimerization. Organic Letters. 2011, 13 (13), 3396-3398.
Wittig reaction of benzylic phosphonium salts with aromatic aldehydes using solid KOH + 18-crown-6 leads to (Z)-stilbenes with good stereoselectivity: Tetrahedron Lett., 37, 4225 (1996). See Appendix 1.
Gefahrenhinweise (EU): H300-H315-H319-H335
Fatal if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or if you feel unwell: