Several recent papers report using the Cu(II) complex with triphenylphosphine of the composition CuCl2(PPh3)2. Our studies show that the oxidation state of II cannot be stabilized for copper in the presence of such a reducing ligand like triphenylphosphine. Repetition of published procedures for the assumed CuCl2(PPh3)2 complex yield different Cu(I) complexes. Their syntheses and characterization will be presented.

Existence or nonexistence of Cu(II) complexes with triphenylphosphine

247th National Meeting (2014)

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