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- W2081750595 abstract "The N4O3 coordinating heptadentate ligand afforded binuclear complex [Cu2(H2L)(μ-OH)](ClO4)2 (1) and [Cu2(L)(H2O)2]PF6 (2). In complex 1, two copper ions are held together by μ-phenoxo and μ-hydroxo bridges, whereas in complex 2, the copper centers are connected only by a μ-phenoxo bridge. In 1, both the Cu(II) centers have square pyramidal geometry (τ = 0.01−0.205), whereas in the case of 2, one Cu(II) center has square pyramidal (τ = 0.2517) and other one has square based pyramidal distorted trigonal bipyramidal (τ = 0.54) geometry. Complexes 1 and 2 show an strong intramolecular and very weak antiferromagnetic interaction, respectively. Density-functional theory calculations were performed to establish the magneto structural correlation between the two paramagnetic copper(II) centers. Both of the complexes display a couple of one-electron reductive responses near −0.80 and −1.10 V. The complexes show significant catalytic activity at pH 8.5 on the oxidation of 3,5-di-tert-butylcatechol (3,5-DTBC) to 3,5-di-tert-butylquinone (3,5-DTBQ), and the activity measured in terms of kcat = 29−37 h−1." @default.
- W2081750595 created "2016-06-24" @default.
- W2081750595 creator A5030295049 @default.
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- W2081750595 creator A5079780490 @default.
- W2081750595 date "2008-04-16" @default.
- W2081750595 modified "2023-10-12" @default.
- W2081750595 title "Binuclear Copper(II) Complexes with N<sub>4</sub>O<sub>3</sub> Coordinating Heptadentate Ligand: Synthesis, Structure, Magnetic Properties, Density-Functional Theory Study, and Catecholase Activity" @default.
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- W2081750595 doi "https://doi.org/10.1021/ic7015935" @default.
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