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The reaction of bis(2,9-dimethyl-1,10-phenanthroline)Cu(I) with excess trichloroacetic acid. Kinetics of the catalytic decarboxylation in acetonitrile solution

par Steinert, Liliane
Référence Journal of Molecular Catalysis, 10, 2, page (151-160)
Publication Publié, 1981

Article révisé par les pairs

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Résumé :

Fast reversible metal protonation seems to be the first stage of the reaction of excess trichloroacetic acid with the CuI(dmp)2 cation in acetonitrile solution. Catalytic decarboxylation occurs subsequently according to a peculiar reaction scheme, which is discussed. When the acid concentration is higher than 3 × 10-3 M, the kinetic runs must be carried out under inert atmosphere, because of the competitive autoxidation of the CuI complex, leading to Cu2+(dmp)2·NO-3·CCl3CO-2·CCl3COOH, the structure of which has been fully characterized. © 1981.