V. Romanenko, V. L. Rudzevich, E. Rusanov, A. N. Chernega, A. Senio, J. Sotiropoulos, G. Pfister-guillouzo, Michel Sanchez
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Synthesis and structural characterization of the first donor-stabilized phosphanetriylphosphonium cation: [Ar*PP(PPh3)]+(Ar*= 2,4,6-But3C6H2)
Reaction of Ar*PPNR2(Ar*= 2,4,6-But3C6H2) with CF3SO3H in the presence of triphenylphosphane in CH2Cl2produces the isolable salt [Ar*PP(PPh3)]+[CF3SO3]– which is characterized by X-ray crystallography; the triphenylphosphane ligand of [Ar*PP(PPh3)]+ readily participates in nucleophilic substitution reactions affording a novel entry to donor-stabilized phosphanetriylphosphonium cations and P-functionalized diphosphenes.
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