Anorganische Chemie 2005

The new octadentate ligand (R)-(+)-N,NЈ-dimethyl-N,NЈ-bis{-2-[bis(1-methyl-2-benzimidazolylmethyl)]-2-methyl- at low temperatures. In the case of [Cu 2 L] 4+ , a weak dipolar interaction between the two spin centres was found. A similar weak spin interaction occurred in the trinuclear copper cluster, which could be treated likewise as a weakly coupled three-spin system. The analysis was substantiated by studying the complex EPR temperature behaviour, where population of the quartet state occurred only at high temperature (77 K), whereas at cryogenic temperatures (4 K) the system adopted a doublet state as a ground-state spin configuration. Titration with sodium azide of [Cu 2 L] 4+ was consistent with terminal binding of one N 3 -molecule to each copper ion.

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Biomimetic Modelling of Copper Enzymes: Synthesis, Characterization, EPR Analysis and Enantioselective Catalytic Oxidations by a New Chiral Trinuclear Copper(II) Complex

Mutti

Zoppellaro

Gullotti

et al. 2009

Eur J Inorg Chem

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Anorganische Chemie 2005

Abstract: Mit dem Periodensystem als „Baukasten”︁ sind Elementensembles zugänglich, die Theoretiker und Anwender inspirieren. Die klassischen Arbeitsfelder der Koordinationschemie erhalten neue Impulse. Ein Leitmotiv der bioanorganischen Chemie sind hochvalente Eisenverbindungen.

Cited by 1 publication

References 157 publications

Biomimetic Modelling of Copper Enzymes: Synthesis, Characterization, EPR Analysis and Enantioselective Catalytic Oxidations by a New Chiral Trinuclear Copper(II) Complex

Biomimetic Modelling of Copper Enzymes: Synthesis, Characterization, EPR Analysis and Enantioselective Catalytic Oxidations by a New Chiral Trinuclear Copper(II) Complex

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