Synthesis of azide complexes with the copper(II) macrocycle complex Cu(14ane)(2+) (where 14ane = 1,4,8,11-tetraazacyclothetradecane) has yielded two compounds. Cu(14ane)Cu(N(3))(4) contains micro(1,3)-azido bridged chains of Cu(14ane)(2+) cations and Cu(N(3))(4)(2)(-) anions. Magnetic studies reveal the presence of ferromagnetic interactions within the chains with J/k = 0.635(4) K. [Cu(14ane)N(3)]BF(4) contains [Cu(14ane)N(3)]+ cations with elongated square pyramidal geometry. The BF(4)(-) anions are weakly coordinated in the sixth coordination site of the cations.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1021/ic030272d | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Copper coordination chemistry of the patellamides - cyanobactins in the ascidian- symbiosis.
Dalton Trans
December 2024
Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany.
, an obligate symbiont of certain ascidians (sea squirts found in tropical areas), produces various cyclic pseudo-octapeptides in large quantities. These secondary metabolites have attracted the attention of medicinal chemists and, due to their four azol(in)e and four amide donor groups, coordination chemists have become interested in these molecules. The structures of the metal-free macrocycles and their dinuclear copper(II) complexes are known, and solution equilibria, spectroscopic properties and a range of biologically relevant reactions have been studied in detail.
View Article and Find Full Text PDFRings of Power: Controlling SOD Mimic Activity by the Addition of Pyridine Rings within the Pyridinophane Scaffold.
Inorg Chem
December 2024
Department of Chemistry and Biochemistry, Texas Christian University, 2950 S. Bowie, Fort Worth, Texas 76129, United States.
Superoxide dismutase enzymes are a major defense against superoxide, which is a potent reactive oxygen species. Misregulation of reactive oxygen species and subsequent neuronal damage are etiological hallmarks of neurodegenerative disease. Macrocyclic small molecules have offered inroads toward functional SOD1 mimics.
View Article and Find Full Text PDFTriflate Salts as Alternative Non-Chlorinated Oxidants for the Oxidative Chemical Vapor Deposition and Electronic Engineering of Conjugated Polymers.
Macromolecules
October 2024
Material Research and Technology Department, Luxembourg Institute of Science and Technology, 28 Avenue des Hauts-Fourneaux, 4362 Esch-sur-Alzette, Luxembourg.
Oxidative chemical vapor deposition (oCVD) stands as an attractive approach for the synthesis, engineering, and integration of conjugated polymers for advanced electronic and optoelectronic applications. In oCVD, the oxidant significantly influences the conformational and optoelectronic properties of the resulting conjugated polymer thin films. In this work, triflate salts of iron(III) and copper(II) (Fe(OTf) and Cu(OTf), respectively) are investigated for the first time as suitable alternative oxidants to the widely used iron(III) chloride (FeCl) for the oCVD of conjugated polymers.
View Article and Find Full Text PDFCatalytic Hydrolysis of Paraoxon by Immobilized Copper(II) Complexes of 1,4,7-Triazacyclononane Derivatives.
Polymers (Basel)
October 2024
Department of Inorganic Chemistry, Charles University, Hlavova 8, 128 40 Prague, Czech Republic.
Article Synopsis
- Organophosphate neuroactive agents pose serious security threats in military, terrorist, and industrial contexts, necessitating efficient decontamination methods.
- The study focuses on a Cu(II) complex with a thiophene anchor for its potential to hydrolyze these harmful agents, using the insecticide paraoxon as a model for testing.
- Results show that this complex can effectively degrade paraoxon and can be immobilized on a polymer substrate, suggesting its potential use for decontaminating organophosphate agents under mild conditions.
Rigid Macrocycle Metal Complexes as CXCR4 Chemokine Receptor Antagonists: Influence of Ring Size.
Pharmaceutics
July 2024
Centre for Biomedicine and Positron Emission Tomography Research Centre, The University of Hull, Cottingham Road, Hull HU6 7RX, UK.
Understanding the role of chemokine receptors in health and disease has been of increasing interest in recent years. Chemokine receptor CXCR4 has been extensively studied because of its defined role in immune cell trafficking, HIV infection, inflammatory diseases, and cancer progression. We have developed high affinity rigidified CXCR4 antagonists that incorporate metal ions to optimize the binding interactions with the aspartate side chains at the extracellular surface of the CXCR4 chemokine receptor and increase the residence time.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!