Abstract
The kinetics of reactions of palladium(II) acetate with cobalt(II), nickel(II), and copper(II) acetates were studied by spectrophotometry. These reactions produce heterobimetallic complexes PdII(μ-OOCMe)4MII(OH2)(HOOCMe)2, where M = Co, Ni, or Cu. These reactions are very slow in carefully dehydrated (<0.01% H2O) acetic acid, but are considerably enhanced by water or acetonitrile. Our data indicate that the activation of the kinetically inert ring structure of the initial palladium complex Pd3(μ-OOCMe)6 by means of the nucleophilic attack of an H2O or acetonitrile molecule is the key step of the reaction mechanism.
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Original Russian Text © N.S. Akhmadullina, N.V. Cherkashina, N.Yu. Kozitsyna, A.E. Gekhman, M.N. Vargaftik, 2009, published in Kinetika i Kataliz, 2009, Vol. 50, No. 3, pp. 417–421.
To the 80 birthday of Academician I.I. Moiseev.
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Akhmadullina, N.S., Cherkashina, N.V., Kozitsyna, N.Y. et al. Unexpected participation of nucleophiles in the reaction of palladium(II) acetate with divalent 3d metals. Kinet Catal 50, 396–400 (2009). https://doi.org/10.1134/S0023158409030094
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DOI: https://doi.org/10.1134/S0023158409030094