Fast Reactions at Planar Four-co-ordinate Complexes. Part 5. The Solvent Effect on the Leaving Group in the Reactions of Neutral and Cationic Palladium(II) Complexes

DOI: 10.1039/DT9820002445

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Journal of the Chemical Society, Dalton Transactions p. 2445 - 2448 (1982)

Update date:2022-08-03

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Authors:

Cusumano, Matteo

Giannetto, Antonio

Guglielmo,Giovanni

Ricevuto, Vittorio

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Article abstract of DOI:10.1039/DT9820002445

The rate of replacement of the group X by n-propylamine or thiourea in the substrates NO3 (3-NHpd = 3-azapentane-1,5-diamine; X=Cl, Br, I, N3, SCN, or NO2) and the equilibrium constants of some of these reactions have been studied in the solvents methanol, dimethylformamide, and dimethylsulfoxide at 25 deg C.The kinetics of substitution of the first group X, by ethylenediamine, in the substrates in dimethylformamide and in some cases in methanol, at 25 deg C, have also been followed.Both rate and equilibrium constants vary sensibly on going from protic to dipolar aprotic solvents.The lability sequence of the leaving group depends on the nature of the substrates and in all cases is affected to a large extent by the change in the solvent nature.

Full text of DOI:10.1039/DT9820002445

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