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Complex formation between transition metals and 2-pyrrolidone-5-hydroxamic acid (CROSBI ID 94898)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Nigović, Biljana ; Kujundžić, Nikola ; Sanković, Krešimir ; Vikić-Topić, Dražen Complex formation between transition metals and 2-pyrrolidone-5-hydroxamic acid // Acta chimica slovenica, 49 (2002), 3; 525-535-x

Podaci o odgovornosti

Nigović, Biljana ; Kujundžić, Nikola ; Sanković, Krešimir ; Vikić-Topić, Dražen

engleski

Complex formation between transition metals and 2-pyrrolidone-5-hydroxamic acid

Complexes of cobalt(II), nickel(II) and copper(II) with 2-pyrrolidone-5-hydroxamic acid (HL) have been investigated by the combined pH-spectral titration method at 25 +/- 0.1 degreesC in aqueous medium of 0.2 M ionic strength. Cobalt(II) and nickel(II) form [ML](+), [ML2] and [ML2H-1](-) complexes with HL, while in the case of copper(II) mononuclear [CuL](+) and dinuclear [Cu2L2H-2] species are present. The formation constants obtained and the possible binding modes for the complexes in aqueous solution are discussed. H-1 NMR, IR and EPR measurements have furnished additional information on the nature of binding in the complexes formed. [References: 24]

Multiwavelength spectroscopic data; Equilibrium-constants; Siderophores; Nickel(ii); Transport

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Podaci o izdanju

49 (3)

2002.

525-535-x

objavljeno

1318-0207

Povezanost rada

Kemija, Temeljne medicinske znanosti

Indeksiranost