Complex formation of copper(II) ions with the galactarate ion [Gala] 2 - in aqueous solution was studied by means of potentiometric titration. Stability constants of the [CuGala] and [Cu(Gala) 2 ] 2 - complexes were determined. A complex compound was synthesized electrochemically and isolated...
With copper(II), ligand 2 yields only one complex [(2)Cu](CF(3)SO(3))(2), which allows for the unambiguous identification of the conformations observed for ligand 1 complexes. The different coordinating modes of ligand 1 in the complexes mentioned are in exchange but exhibit different ...
In contrast, crystallisation under basic conditions leads to a 1:1 complex in which the two amides are deprotonated and the copper ion is bound within the macrocycle, weakly co-ordinated by the two pyridine nitrogens in elongated axial sites. The behaviour of the three complexes in solution ...
On the one hand, the complex crystal structure and the disordered or even liquid-like sublattice bring about an intrinsically low lattice thermal conductivity. On the other hand, the rigid sublattice constitutes the charge-transport network, maintaining a decent electrical performance. For specific ...
ions. On the other hand, the unbound Lewis basic pyrrolic nitrogen atoms of the imidazole side chains in ZIOS should have a high affinity for Lewis acidic Cu2+ions. These sites could actively coordinate with copper to form a CuZn-based heteropolynuclear complex, reactivity that could ...
The X-ray crystal structure of the compound reveals that it is a dinuclear complex consisting of two copper(II) ions doubly bridged by two oximato groups in atransarrangement. The complex contains unusualcis-axially coordinated phenolates as well as a novel interligand, intramolecular phenolate-...
Formation. of the complex was clear from the UV-Vis d-d trasition band. Cyclic voltammetric study of the dendron-Cu-II complex revealed chemically irreversible behaviour.关键词:Copper(II) complexation behaviour dendron 被引量: 4 年份: 2007 ...
Suksai, C., Pakawatchai, C., Thipyapong, K.: Unexpected Schiff-base complex formation from the oxidation reaction of a nickel(II) complex with the meso-HMPAO ligand by molecular oxygen. Polyhedron 27, 759–764 (2008) Article CAS Google Scholar Deveci, P., Taner, B.: Synthesis, spectro...
In complex 2, copper(II) ions are octahedrally coordinated by two sac anions and two neutral aeppz ligands, displaying a distorted octahedral coordination. Sac is O-bonded via the carbonyl group, while ppzea acts as a N,N′-bidentate chelating ligand. The molecules are connected by N–H...
DNA binding studies of novel Copper(II) complexes containing L-tryptophan as chiral auxiliary: in vitro antitumor activity of Cu-Sn2 complex in human neuro... Arjmand F.DNA Binding Studies of Novel Copper(Ⅱ)Complexes Containing L-Tryptophan as Chiral Auxiliary:In Vitro Antitumor Activity of Cu-...