
Zeitschrift fur Anorganische und Allgemeine Chemie p. 2187 - 2189 (2006)
Update date:2022-08-02
Topics:
Buttler, Oliver
Al-Fawaz, Amal
Kays, Deborah L.
Day, Joanna K.
Ooi, Li-Ling
Aldridge, Simon
Halide abstraction from [(Ph3P)2Rh(μ-Cl)] 2 by the sodium salt of the weakly coordinating [BArf 4]- anion [Arf = C6H 3(CF3)2-3,5] in the presence of excess arene offers a convenient, high-yielding route to the half-sandwich cations [(arene)Rh(PPh3)2]+[BArf 4]- [arene = benzene (1), toluene (2)]. Crystalline samples of 1 and 2 are isomorphous [a = 13.1270(2), b = 15.3030(2), c = 17.5760(3) A, α = 74.620(1), β = 81.533(1), γ = 88.540(1)° for 1] and feature the arene ligand bound to the rhodium atom in η6 fashion.
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