Kinetics and mechanisms of the reactions of copper(II) with heptane-2,4,6-trione, 1-Phenylhexane (cas 1077-16-3)-1,3,5-trione and 1,5-diphenylpentane-1,3,5-trione in methanol-water (70:30 vol./vol.) solution

Add time:08/03/2019    Source:sciencedirect.com

The kinetics of the reactions of copper(II) with heptane-2,4,6-trione (H2hto), 1-phenylhexane-1,3,5-trione (H2phto) and 1,5-diphenylpentane-1,3,5-trione (H2dppto) in methanol-water (70:30 vol./vol.) solution at 25 °C and ionic strength 0.5 mol dm−3 have been investigated. The equilibrium constants for these reactions have been determined. Two possible mechanisms are discussed. The dimerization reactions of [Cu(Hhto)]+ and [Cu(Hphto)]+ were also investigated. A detailed mechanism is proposed which is consistent with the experimental data.

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Next:Reactions of metal ions with protonated ligands. Kinetics and mechanisms of the reactions of iron(III) with heptane-2,4,6-trione (H2hto), 1-Phenylhexane (cas 1077-16-3)-1,3,5-trione (H2phto) and 1,5-diphenylpentane-1,3,5-trione (H2dppto) in methanol-water (70:30 vol./vol.) at 25 °C and I=0.5 mol dm−3)