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The influence of the interamolecular hydrogen bond on the 1,3-N,S- and 1,5-O,S-coordination ofN-phosphoryl-N'-(R)-thioureas with Ni(II) and Pd(II).
Autorzy
Rok wydania
2007
Czasopismo
Numer woluminu
31
Strony
1661-1667
DOI
10.1039/B702896B
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Reaction of the potassium salts of N-phosphorylated thioureas of common formula R1–N(H)–C(S)–N(H)–P(O)(OiPr)2 (HA) with NiII and PdII cations leads to [MA2] chelate complexes (M = NiII, R1 = p-MeOC6H4, p-BrC6H4, t-Bu, c-Hex; M = PdII, R = iPr). In both the NiII and PdII complexes, the metal center is found in a square-planar N2S2 environment formed by the CS sulfur atoms and the P–N nitrogen atoms of two deprotonated ligands A−. The PdII atoms in [PdB2] complexes with deprotonated thioureas of common formula R2–C(S)–N(H)–P(O)(OiPr)2 (HB) (R2 = Et2N, morpholine-N-yl) are coordinated in a square-planar fashion by the CS sulfur atoms and the PO oxygen atoms of two anionic ligands. Molecular structures of four complexes [M(A-N,S)2] (M = NiII, R1 = p-MeOC6H4, p-BrC6H4, t-Bu; M = PdII, R1 = iPr) and the palladium(II) 1,5-O,S-chelate of formula [Pd(B-O,S)2] (R2 = morpholine-N-yl) were elucidated by X-ray diffraction.
Adres publiczny
https://doi.org/10.1039/B702896B
Strona internetowa wydawcy
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