2001
DOI: 10.1016/s0020-1693(01)00567-9
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SOD activities of the copper complexes with tripodal polypyridylamine ligands having a hydrogen bonding site

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Cited by 116 publications
(65 citation statements)
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“…Both proton and carbon NMR were consistent with a three$ fold symmetrical structure in solution. While this is consistent with the solid state structure of the Cd(II) complex, the Zn(II) species does not show C 3v symmetry in the solid state, with 25 crystallographic data indicating each arm of the ligand is symmetrically independent. It is highly likely the rapid fluxional process account for the observed symmetry, similar to that observed in the free ligand.…”
Section: !3 ) supporting
confidence: 75%
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“…Both proton and carbon NMR were consistent with a three$ fold symmetrical structure in solution. While this is consistent with the solid state structure of the Cd(II) complex, the Zn(II) species does not show C 3v symmetry in the solid state, with 25 crystallographic data indicating each arm of the ligand is symmetrically independent. It is highly likely the rapid fluxional process account for the observed symmetry, similar to that observed in the free ligand.…”
Section: !3 ) supporting
confidence: 75%
“…1$6 The formation of metal complexes which can selectively bind anions has attracted interest due to their 20 potential to offer a three dimensional scaffold from which suitable hydrogen bonding groups may be positioned. 7 The work of Beer 8,9 has been at the forefront of such studies and recently, their work has included anion$templated synthesis of interlocked supramolecular structures 10 and conversely the 25 anion binding of interlocked supramolecular structures. 11 Similarly, Leigh has show the extremely high affinity of a central cavity of a molecular knot for halides.…”
mentioning
confidence: 99%
“…Moreover, the IC 50 values calculated for 1 and 2 were higher than the values calculated for Mn(ClO 4 ) 2 Á6H 2 O [26]. It is clear from the electrochemical data that the Mn II /Mn III redox couples are not in the proper range for 1 and 2 and hence some other mechanism similar to that of SOD activity of Mn(ClO 4 ) 2 Á6H 2 O could be involved for the scavenging of superoxide ions [26,27]. The DNA binding properties of complexes were studied by UVvisible, circular dichroism and fluorescence spectroscopy.…”
mentioning
confidence: 86%
“…As copper is found in the eukaryotic Cu,Zn superoxide-dismutase (CuZnSOD), 42 some mono-copper compounds which are reported in the previous researches to possess SOD-mimic activities may be tested as model or potential substitutes. [43][44][45][46][47][48][49] Among them, some compounds have been demonstrated to possess antiinflammatory activities, anti-carcinogenic and anti-mutagenic effects.…”
Section: -37mentioning
confidence: 99%