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Nickel(II) complexes with N-(thio)phosphorylthioureas AdNHC(S)NHP(X)(OiPr)2: versatile coordination of phosphoryl ( X= O) and thiophosphoryl (X = S) derivatives.
Autorzy
Rok wydania
2008
Czasopismo
Numer woluminu
27
Strony
2271-2276
DOI
10.1016/j.poly.2008.04.014
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The reaction of the potassium salts of N-(thio)phosphorylated thioureas of the common formula AdN(H)C(S)N(H)P(X)(OiPr)2 (X = O, HLI; X = S, HLII) with the Ni(II) cation in aqueous EtOH leads to [Ni(LI,II)2] chelate complexes. The molecular structures of the thioureas HLI,II and the complexes [Ni(LI-N,S)2] and [Ni(LII-S,S′)2] were elucidated by single crystal X-ray diffraction analysis, IR, 1H and 31P NMR spectroscopy and microanalysis. In the complex [Ni(LI)2], the metal center is found to be in a square-planar N2S2 environment formed by the CS sulfur atoms and the P–N nitrogen atoms of two deprotonated LI ligands. The ligands are in a trans configuration. The Ni(II) atom in complex [Ni(LII)2], with the deprotonated thiourea LII, is coordinated in a square-planar fashion by the CS and PS sulfur atoms of two anionic ligands. The ligands are in a cis configuration.
Adres publiczny
https://doi.org/10.1016/j.poly.2008.04.014
Strona internetowa wydawcy
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