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Copper(II) and nickel(II) complexes with oxime analogues of amino acids. Potentiometric, spectroscopic and X-ray studies of complexes with 2-cyano-2-(hydroxyimino)acetic acid and its ethane-1,2-diamine derivative.
Autorzy
Rok wydania
1998
Czasopismo
Journal of the Chemical Society, Dalton Transactions
Strony
1863-1867
DOI
10.1039/A800827B
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
2-Cyano-2-(hydroxyimino)acetic acid was found to be an effective ligand for Cu2+ and Ni2+ ions over a very broad pH range. Potentiometric and spectroscopic data indicate the formation of dimeric complexes with Cu2+ ions and the first X-ray evidence for dimer formation is obtained. Conjugation of the oximic moiety with ethane-1,2-diamine leads to another very effective family of chelating agents, although metal ion co-ordination may induce amide bond hydrolysis as indicated by the crystal structure.
Adres publiczny
DOI https://doi.org/10.1039/A800827B
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