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Issue 10, 1996
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Copper-(I) and -(II) complexes with tertiary linear polyamines of the type Me2NCH2(CH2NMeCH2)nCH2NMe2(n= 1–4)

Abstract

2,5,8,11-Tetramethyl-2,5,8,11-tetraazadodecane, 2,5,8,11,14-pentamethyl-2,5,8,11,14-pentaazapentadecane, and 2,5,8,11,14,17-hexamethyl-2,5,8,11,14,17-hexaazaoctadecane, form stable complexes with CuI in aqueous solutions. On the other hand 2,5,8-trimethyl-2,5,8-triazanonane, does not. This indicates that the stabilization of CuI by tertiary amine ligands in aqueous solutions requires at least four nitrogens. The electronic spectra and the electrochemical properties of the [CuLi]2+ complexes over a wide pH range were studied and potentiometric titrations were made of solutions containing equimolar concentrations of CuII and Li. The nature of the complexes present in these solutions is discussed.

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Article type: Paper
DOI: 10.1039/DT9960002055
Citation: J. Chem. Soc., Dalton Trans., 1996, 2055-2060
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    Copper-(I) and -(II) complexes with tertiary linear polyamines of the type Me2NCH2(CH2NMeCH2)nCH2NMe2(n= 1–4)

    G. Golub, H. Cohen, P. Paoletti, A. Bencini and D. Meyerstein, J. Chem. Soc., Dalton Trans., 1996, 2055
    DOI: 10.1039/DT9960002055

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