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  • Article
  • Open Access
3 Citations
2,030 Views
22 Pages

Dinuclear Copper(II) Complexes of 2,6-Bis[(N-Methylpiperazine-1-yl)methyl]-4-Formyl Phenol Ligand: Promising Biomimetic Catalysts for Dye Residue Degradation and Drug Synthesis

  • Michaela Bártová,
  • Alan Liška,
  • Vendula Studená,
  • Pavel Vojtíšek,
  • Michal Kašpar,
  • Tomáš Mikysek,
  • Lenka Česlová,
  • Ivan Švancara and
  • Milan Sýs

13 February 2025

In this study, three dinuclear copper(II) complexes of ligand 2,6-bis[(N-methyl-piperazine-1-yl)methyl]-4-formyl phenol (L1) and one of 2,6-bis[(N-methylpiperazine-1-yl)methyl]-4-formyl phenol dimethylacetal (L2) with copper(II) ions have been invest...

  • Article
  • Open Access
461 Views
19 Pages

Dinuclear Copper(II) Complex with Hemiaminal N,O-Donor Ligand

  • Anna Kwiecień,
  • Tomasz Janek,
  • Tomasz Misiaszek,
  • Anna Pyra and
  • Żaneta Czyżnikowska

22 December 2025

Novel copper(II) coordination compounds with hemiaminal N,O-donor ligands were obtained and synthesized in a one-pot reaction from three appropriate substrates (aldehyde, amine, and copper(II) chloride) in methanol. A dinuclear complex with a [Cu2Cl2...

  • Article
  • Open Access
1 Citations
1,898 Views
13 Pages

A Dinuclear Copper(II) Complex Electrochemically Obtained via the Endogenous Hydroxylation of a Carbamate Schiff Base Ligand: Synthesis, Structure and Catalase Activity

  • Sandra Fernández-Fariña,
  • Isabel Velo-Heleno,
  • Laura Rodríguez-Silva,
  • Marcelino Maneiro,
  • Ana M. González-Noya and
  • Rosa Pedrido

10 February 2024

In the present work, we report a neutral dinuclear copper(II) complex, [Cu2(L1)(OH)], derived from a new [N,O] donor Schiff base ligand L1 that was formed after the endogenous hydroxylation of an initial carbamate Schiff base H2L coordinated with cop...

  • Article
  • Open Access
4 Citations
2,446 Views
23 Pages

16 January 2024

The new diprotic ligand 3,5-di-tert-butylsalicylaldehyde 4-ethyl-3-thiosemicarbazone, abbreviated H2(3,5-t-Bu2)-sal4eT, exists as the thio-keto tautomer and adopts the E-configuration with respect to the imine double bond, as evidenced by single-crys...

  • Article
  • Open Access
3 Citations
3,199 Views
27 Pages

30 September 2023

Electron paramagnetic resonance spectroscopy is a long-standing method for the exploration of electronic structures of transition ion complexes. The difficulty of its analysis varies considerably, not only with the nature of the spin system, but more...

  • Article
  • Open Access
10 Citations
4,528 Views
24 Pages

New Dinuclear Macrocyclic Copper(II) Complexes as Potentially Fluorescent and Magnetic Materials

  • Magdalena Barwiolek,
  • Dominika Jankowska,
  • Anna Kaczmarek-Kędziera,
  • Iwona Lakomska,
  • Jedrzej Kobylarczyk,
  • Robert Podgajny,
  • Paweł Popielarski,
  • Joanna Masternak,
  • Maciej Witwicki and
  • Tadeusz M. Muzioł

3 February 2023

Two dinuclear copper(II) complexes with macrocyclic Schiff bases K1 and K2 were prepared by the template reaction of (R)-(+)-1,1′-binaphthalene-2,2′-diamine and 2-hydroxy-5-methyl-1,3-benzenedicarboxaldehyde K1, or 4-tert-butyl-2,6-diform...

  • Article
  • Open Access
7 Citations
3,855 Views
10 Pages

13 November 2021

The synthesis, structural, and photophysical investigations of CuI complexes with a disilanylene-bridged bispyridine ligand 1 are herein presented. Dinuclear (2) and ladder-like (3) octanuclear copper(I) complexes were straightforwardly prepared by e...

  • Article
  • Open Access
3 Citations
2,873 Views
17 Pages

A selection of dimeric Cu(II) complexes with bidentate N,N′ ligands with the general formula [Cu(L)(X)(μ-OH)]2·nH2O and [Cu(L)(μ-OH)]2X2·nH2O were magneto-structurally analyzed using the Density Functional Theory (DFT). A Br...

  • Article
  • Open Access
6 Citations
2,369 Views
21 Pages

Anion Capture at the Open Core of a Geometrically Flexible Dicopper(II,II) Macrocycle Complex

  • Sam H. Brooks,
  • Corey A. Richards,
  • Patrick J. Carroll,
  • Michael R. Gau and
  • Neil C. Tomson

Multicopper active sites for small molecule activation in materials and enzymatic systems rely on controlled but adaptable coordination spheres about copper clusters for enabling challenging chemical transformations. To translate this constrained fle...

  • Article
  • Open Access
8 Citations
2,401 Views
15 Pages

Synthesis, Structure, and Properties of a Copper(II) Binuclear Complex Based on Trifluoromethyl Containing Bis(pyrazolyl)hydrazone

  • Olga G. Shakirova,
  • Tatiana D. Morozova,
  • Yulia S. Kudyakova,
  • Denis N. Bazhin,
  • Natalia V. Kuratieva,
  • Lyubov S. Klyushova,
  • Alexander N. Lavrov and
  • Lyudmila G. Lavrenova

30 August 2024

A new complex of copper(II) with methyl-5-(trifluoromethyl)pyrazol-3-yl-ketazine (H2L) was synthesized with the composition [Cu2L2]∙C2H5OH (1). Recrystallization of the sample from DMSO yielded a single crystal of the composition [Cu2L2((CH3)2S...

  • Article
  • Open Access
2 Citations
1,398 Views
26 Pages

Chromone-Based Copper(II) Complexes as Potential Antitumour Agents: Synthesis, Chemical Characterisation and In Vitro Biological Evaluation

  • Nikolina Filipović,
  • Tomislav Balić,
  • Martina Medvidović-Kosanović,
  • Dominik Goman,
  • Berislav Marković,
  • Dalibor Tatar,
  • Sunčica Roca and
  • Katarina Mišković Špoljarić

23 April 2025

Three new complexes of copper(II) and chromone-2-carboxylic acid, a ligand from the group of hydroxypyrones, were synthesised according to the principles of green chemistry. The complexes were characterised by FT–IR and NMR spectroscopy, therma...

  • Article
  • Open Access
636 Views
28 Pages

30 September 2025

2,2-Bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethanol (HL) is a heteroscorpionate ligand capable of coordinating metal ions through two nitrogen atoms and one oxygen atom. We report a base free synthetic route to metal complexes of L and explore the...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,672 Views
14 Pages

Structures of Dimer-of-Dimers Type Defect Cubane Tetranuclear Copper(II) Complexes with Novel Dinucleating Ligands

  • Ryusei Hoshikawa,
  • Ryoji Mitsuhashi,
  • Eiji Asato,
  • Jianqiang Liu and
  • Hiroshi Sakiyama

17 January 2022

Only a limited number of multinucleating ligands can stably maintain multinuclear metal structures in aqueous solutions. In this study, a water-soluble dinucleating ligand, 2,6-bis{[N-(carboxylatomethyl)-N-methyl-amino]methyl}-4-methylphenolate ((sym...

  • Article
  • Open Access
19 Citations
7,796 Views
18 Pages

An Oxalate-Bridged Copper(II) Complex Combining Monodentate Benzoate, 2,2′-bipyridine and Aqua Ligands: Synthesis, Crystal Structure and Investigation of Magnetic Properties

  • Francielli Sousa Santana,
  • Matteo Briganti,
  • Rafael A. Allão Cassaro,
  • Federico Totti,
  • Ronny Rocha Ribeiro,
  • David L. Hughes,
  • Giovana Gioppo Nunes and
  • Dayane Mey Reis

20 April 2020

A dinuclear copper(II) complex of formula [{Cu(bipy)(bzt)(OH2)}2(μ-ox)] (1) (where bipy = 2,2′-bipyridine, bzt = benzoate and ox = oxalate) was synthesised and characterised by diffractometric (powder and single-crystal XRD) and thermogravim...

  • Article
  • Open Access
1 Citations
2,260 Views
13 Pages

Silver(I) and Copper(I) Complexes of Dicarboxylic Acid Derivatives: Synthesis, Characterization and Thermal Studies

  • Katharina Hankel née Reinhold,
  • Fabian Burzlaff,
  • Björn B. Beele and
  • Fabian Mohr

A family of silver(I) and copper(I) complexes containing carboxylate ligands were prepared from the corresponding carboxylic acids and Ag2O. The compounds were characterized by various spectroscopic methods and X-ray diffraction. In the solid state,...

  • Article
  • Open Access
4 Citations
3,023 Views
19 Pages

Dinuclear vs. Mononuclear Copper(II) Coordination Species of Tylosin and Tilmicosin in Non-Aqueous Solutions

  • Ivayla Pantcheva,
  • Radoslava Stamboliyska,
  • Nikolay Petkov,
  • Alia Tadjer,
  • Svetlana Simova,
  • Radostina Stoyanova,
  • Rositza Kukeva and
  • Petar Dorkov

17 June 2022

The veterinary 16-membered macrolide antibiotics tylosin (HTyl, 1a) and tilmicosin (HTilm, 1b) react with copper(II) ions in acetone at metal-to-ligand molar ratio of 1:2 to form blue (2) or green (3) metal(II) coordination species, containing nitrat...

  • Article
  • Open Access
1 Citations
2,512 Views
13 Pages

A Supramolecular Approach to Antimicrobial Surfaces

  • Valentina Gazzola,
  • Pietro Grisoli,
  • Valeria Amendola,
  • Giacomo Dacarro,
  • Carlo Mangano,
  • Piersandro Pallavicini,
  • Antonio Poggi,
  • Silvia Rossi,
  • Barbara Vigani and
  • Angelo Taglietti

5 September 2022

In this paper, we report on the preparation of Imidazole-functionalized glass surfaces, demonstrating the ability of a dinuclear Cu(II) complex of a macrocyclic ligand to give a “cascade” interaction with the deprotonated forms of grafted...

  • Article
  • Open Access
2 Citations
2,273 Views
21 Pages

Coinage Metal Complexes Containing Perfluorinated Carboxylates

  • Robin Piani,
  • Björn B. Beele,
  • Jörg Rust,
  • Christian W. Lehmann and
  • Fabian Mohr

8 April 2023

A variety of coinage-metal complexes containing perfluorinated carboxylate ligands, together with their structures and thermal behavior, are reported. The silver(I) salts were accessible from the direct reaction of Ag2O with the acids in toluene. The...

  • Article
  • Open Access
3 Citations
2,062 Views
19 Pages

Mixed-Ligand Copper(II) Complexes Derived from Pyridinecarbonitrile Precursors: Structural Features and Thermal Behavior

  • Amalija Golobič,
  • Matjaž Kristl,
  • Tinkara Marija Podnar,
  • Zvonko Jagličić and
  • Brina Dojer

Pyridinecarbonitriles (pyCN), also referred to as cyanopyridines, are promising ligands for the formation of pyridine-based coordination compounds due to their two different N-donor atoms, which enable versatile coordination modes. Copper(II) complex...

  • Article
  • Open Access
1,893 Views
20 Pages

The Chelating Abilities of Tertiary Amines with N-O-Donors Towards Cu(II) Ions and the Catalytic Properties of the Resulting Complexes

  • Martina Zonzin,
  • Martina Chianese,
  • Andrea Squarcina,
  • Degnet Melese Dereje,
  • Ambra Campofelice,
  • Alessia Da Fermo,
  • Federica Belluti,
  • Nadia Marino,
  • Filip Dębicki and
  • Mauro Carraro
  • + 3 authors

19 August 2025

Oxidative stress, driven by excess reactive oxygen species (ROS), is a key factor in the progression of neurodegenerative diseases like Alzheimer’s disease (AD). In this context, copper dysregulation can also contribute to this imbalance, being...

  • Article
  • Open Access
2 Citations
2,487 Views
9 Pages

The Role of the Disulfide Bridge in the Copper (II) Binding by the Cyclic His4-Peptide

  • Aleksandra Pieniężna,
  • Weronika Witak,
  • Aneta Szymańska and
  • Justyna Brasuń

In this paper, we present studies on the influence of the disulfide bridge on the copper (II) ions’ binding abilities by the cyclic His4-peptide. The studied ligand HKHPHRHC-S-S-C consists of nine amino acids. The cyclic structure was obtained throug...

  • Article
  • Open Access
4 Citations
1,675 Views
18 Pages

Chelating Properties of N6O-Donors Toward Cu(II) Ions: Speciation in Aqueous Environments and Catalytic Activity of the Dinuclear Complexes

  • Andrea Cendron,
  • Martina Chianese,
  • Kamil Zarzycki,
  • Paolo Ruzza,
  • Claudia Honisch,
  • Justyna Brasuń and
  • Mauro Carraro

3 December 2024

This study focuses on the use of three isostructural N6O donor ligands, specifically known to form complexes with copper ions, to chelate Cu(II) from aqueous solutions. The corresponding Cu(II) complexes feature a dinuclear copper core mimicking the...

  • Article
  • Open Access
8 Citations
5,071 Views
15 Pages

21 December 2021

Copper plays an important role in alkyne coordination chemistry and transformations. This report describes the isolation and full characterization of a thermally stable, copper(I) acetylene complex using a highly fluorinated bis(pyrazolyl)borate liga...

  • Article
  • Open Access
2,269 Views
14 Pages

Dithiodipropionate and Fumarate Ni, Cu, and Zn Mixed Ligand Complexes

  • Ivana Loubalová,
  • Kamil Kotrle,
  • Peter Antal,
  • Lucie Hochvaldová,
  • Aleš Panáček,
  • Ivana Císařová,
  • Marcin Świątkowski and
  • Pavel Kopel

28 September 2024

Three nickel, copper, and zinc complexes with dicarboxylic acids (3,3′-dithiodipropionic acid (H2dtdp) and fumaric acid (H2fu)) and N-donor ligands (1,10-phenanthroline (phen), N′–methyldipropylenetriamine (mdpta), and N,N,N′,...

  • Review
  • Open Access
17 Citations
5,249 Views
13 Pages

23 September 2020

Complex IV (cytochrome c oxidase; COX) is the terminal complex of the mitochondrial electron transport chain. Copper is essential for COX assembly, activity, and stability, and is incorporated into the dinuclear CuA and mononuclear CuB sites. Multipl...

  • Article
  • Open Access
6 Citations
3,587 Views
29 Pages

Copper(II) Perfluorinated Carboxylate Complexes with Small Aliphatic Amines as Universal Precursors for Nanomaterial Fabrication

  • Iwona B. Szymańska,
  • Katarzyna Madajska,
  • Aleksandra Butrymowicz and
  • Magdalena Barwiołek

4 December 2021

Copper(II) carboxylate compounds with ethylamine and isopropylamine of the general formula [Cu2(RNH2)2(µ-O2CRf)4], where R = Et, iPr, and Rf = CnF2n+1, n = 1–6, were characterised in the condensed and gas phases by electron impact mass sp...

  • Article
  • Open Access
6 Citations
2,842 Views
14 Pages

Oxidase Reactivity of CuII Bound to N-Truncated Aβ Peptides Promoted by Dopamine

  • Chiara Bacchella,
  • Simone Dell’Acqua,
  • Stefania Nicolis,
  • Enrico Monzani and
  • Luigi Casella

The redox chemistry of copper(II) is strongly modulated by the coordination to amyloid-β peptides and by the stability of the resulting complexes. Amino-terminal copper and nickel binding motifs (ATCUN) identified in truncated Aβ sequences starting w...

  • Article
  • Open Access
3 Citations
2,815 Views
12 Pages

Synthesis, Characterization, DNA Binding and Cytotoxicity of Copper(II) Phenylcarboxylate Complexes

  • Carlos Y. Fernández,
  • Analu Rocha,
  • Mohammad Azam,
  • Natalia Alvarez,
  • Kim Min,
  • Alzir A. Batista,
  • Antonio J. Costa-Filho,
  • Javier Ellena and
  • Gianella Facchin

11 October 2023

Coordination compounds of copper exhibit cytotoxic activity and are suitable for the search for novel drug candidates for cancer treatment. In this work, we synthesized three copper(II) carboxylate complexes, [Cu2(3-(4-hydroxyphenyl)propanoate)4(H2O)...

  • Article
  • Open Access
2 Citations
4,916 Views
13 Pages

Cu(II)–N6-Alkyladenine Complexes: Synthesis, X-ray Characterization and Magnetic Properties

  • María Soledad Martínez,
  • Antonio Bauzá,
  • Amparo Caubet,
  • Ángel García-Raso,
  • Ángel Terrón,
  • Juan J. Fiol,
  • Elies Molins,
  • Miquel Barceló-Oliver and
  • Antonio Frontera

Three new dinuclear copper(II) complexes [Cu2(μ–HLn)2(μ-Cl)2Cl2]Cl2 (13) have been synthesized and structurally characterized by single-crystal X-ray diffraction, where HLx, (HL1 = N6-propyladeninium, HL2 = N6-butyladeninium and HL...

  • Article
  • Open Access
15 Citations
5,160 Views
24 Pages

Coumarin-Based Triapine Derivatives and Their Copper(II) Complexes: Synthesis, Cytotoxicity and mR2 RNR Inhibition Activity

  • Iryna Stepanenko,
  • Maria V. Babak,
  • Gabriella Spengler,
  • Marta Hammerstad,
  • Ana Popovic-Bijelic,
  • Sergiu Shova,
  • Gabriel E. Büchel,
  • Denisa Darvasiova,
  • Peter Rapta and
  • Vladimir B. Arion

A series of thiosemicarbazone-coumarin hybrids (HL1-HL3 and H2L4) has been synthesised in 12 steps and used for the preparation of mono- and dinuclear copper(II) complexes, namely Cu(HL1)Cl2 (1), Cu(HL2)Cl2 (2), Cu(HL3)Cl2 (3) and Cu2(H2L4)Cl4 (4), i...

  • Feature Paper
  • Article
  • Open Access
8 Citations
3,678 Views
15 Pages

A New Photoactivatable Ruthenium(II) Complex with an Asymmetric Bis-Thiocarbohydrazone: Chemical and Biological Investigations

  • Marianna Pioli,
  • Nicolò Orsoni,
  • Mirco Scaccaglia,
  • Rossella Alinovi,
  • Silvana Pinelli,
  • Giorgio Pelosi and
  • Franco Bisceglie

10 February 2021

The synthesis, photoactivation and biological activity of a new piano-stool Ru(II) complex is herein reported. The peculiarity of this complex is that its monodentate ligand which undergoes the photodissociation is an asymmetric bis-thiocarbohydrazon...

  • Article
  • Open Access
89 Citations
12,796 Views
23 Pages

Synthesis, Crystal Structure, Spectroscopic Properties and Potential Biological Activities of Salicylate‒Neocuproine Ternary Copper(II) Complexes

  • Lenka Kucková,
  • Klaudia Jomová,
  • Andrea Švorcová,
  • Marián Valko,
  • Peter Segľa,
  • Ján Moncoľ and
  • Jozef Kožíšek

27 January 2015

Mixed ligand copper(II) complexes containing derivatives of salicylic acid and heterocyclic ligands with nitrogen donor atoms have been the subject of various studies and reviews. In this paper, synthesis and characterization of the ternary copper(II...

  • Article
  • Open Access
2 Citations
2,841 Views
15 Pages

Symmetrical and Unsymmetrical Dicopper Complexes Based on Bis-Oxazoline Units: Synthesis, Spectroscopic Properties and Reactivity

  • James A. Isaac,
  • Gisèle Gellon,
  • Florian Molton,
  • Christian Philouze,
  • Nicolas Le Poul,
  • Catherine Belle and
  • Aurore Thibon-Pourret

Copper–oxygen adducts are known for being key active species for the oxidation of C–H bonds in copper enzymes and their synthetic models. In this work, the synthesis and spectroscopic characterizations of such intermediates using dinuclea...

  • Article
  • Open Access
13 Citations
4,984 Views
15 Pages

Cu(I) Complexes of Multidentate N,C,N- and P,C,P-Carbodiphosphorane Ligands and Their Photoluminescence

  • Marius Klein,
  • Nemrud Demirel,
  • Alexander Schinabeck,
  • Hartmut Yersin and
  • Jörg Sundermeyer

1 September 2020

A series of dinuclear copper(I) N,C,N- and P,C,P-carbodiphosphorane (CDP) complexes using multidentate ligands CDP(Py)2 (1) and (CDP(CH2PPh2)2 (13) have been isolated and characterized. Detailed structural information was gained by single-crystal XRD...

  • Article
  • Open Access
15 Citations
4,229 Views
13 Pages

Copper(II) Carboxylates with 2,3,4-Trimethoxybenzoate and 2,4,6-Trimethoxybenzoate: Dinuclear Cu(II) Cluster and µ-Aqua-Bridged Cu(II) Chain Molecule

  • Masahiro Mikuriya,
  • Chihiro Yamakawa,
  • Kensuke Tanabe,
  • Raigo Nukita,
  • Yuki Amabe,
  • Daisuke Yoshioka,
  • Ryoji Mitsuhashi,
  • Ryota Tatehata,
  • Hidekazu Tanaka and
  • Motohiro Tsuboi
  • + 1 author

Copper(II) complexes with 2,3,4-trimethoxybenzoic acid (H234-tmbz) and 2,4,6-trimethoxybenzoic acid (H246-tmbz), [Cu2(234-tmbz)4(H2O)2] (6) and [Cu(246-tmbz)2(µ-H2O)2(H2O)2]n (7), were synthesized and characterized by elemental analysis, infrared and...

  • Article
  • Open Access
8 Citations
2,823 Views
19 Pages

29 November 2020

New Schiff base complexes [Cu2(HL1)(L1)(N3)3]∙2H2O (1) and [Cu2L2(N3)2]∙H2O (2) were synthesized. The crystal structures of 1 and 2 were determined by single-crystal X-ray diffraction analysis. The HL1 ligand results from the condensation of salicyla...

  • Article
  • Open Access
2 Citations
1,865 Views
10 Pages

9 August 2023

A combination of 4-styrylpyridine (spy) and 1-adamantanecarboxylic acid (Hadc) was employed in the assembly reactions with Zn(II) and Cu(II) nitrates. The photoreactivity of the products was compared and discussed on the basis of the structure–...

  • Communication
  • Open Access
2 Citations
2,769 Views
10 Pages

5 July 2023

The synthesis of a substituted diimine with a bipydirine-type backbone, (3-(2-pyridyl)-5,6-diphenyl-1,2,4-triazine, L) and its coordination towards Cu(I) and Ag(I) is studied in the presence of diphosphine ligand bis(diphenylphosphino)methane, dppm....

  • Article
  • Open Access
35 Citations
5,420 Views
20 Pages

5 November 2020

The new mono-, di- and tetranuclear coordination compounds [Cu(HL1)]·H2O (1), [Cu2(L1)(OAc)(MeOH)]·2H2O·MeOH (2), [Cu4(L2)2(OAc)2]·4MeOH (3), and [Cu4(L2)2(OAc)2]·4H2O·4MeOH (4) were synthesized by the direct...

  • Article
  • Open Access
29 Citations
7,981 Views
13 Pages

In Vitro DNA-Binding, Anti-Oxidant and Anticancer Activity of Indole-2-Carboxylic Acid Dinuclear Copper(II) Complexes

  • Xiangcong Wang,
  • Maocai Yan,
  • Qibao Wang,
  • Huannan Wang,
  • Zhengyang Wang,
  • Jiayi Zhao,
  • Jing Li and
  • Zhen Zhang

20 January 2017

Indole-2-carboxylic acid copper complex (ICA-Cu) was successfully prepared and characterized through elemental analysis, IR, UV-Vis, 1H-NMR, TG analysis, and molar conductance, and its molecular formula was [Cu2(C9H6O2N)4(H2O)2]·2H2O. The binding abi...

  • Article
  • Open Access
1 Citations
2,573 Views
19 Pages

Synthesis and Characterization of New Copper(II) Coordination Compounds with Methylammonium Cations

  • Amalija Golobič,
  • Brina Dojer,
  • Marko Jagodič,
  • Anja Siher,
  • Anže Pegan and
  • Matjaž Kristl

29 September 2024

We synthesized four new copper(II) complexes with acetato and chlorido ligands and methylammonium (MA), dimethylammonium (DMA), and tetramethylammonium (TMA) counterions: (MA)4[Cu2Ac4Cl2]Cl2·2H2O (1), (DMA)2[Cu2Ac4Cl2] (2), (DMA)4[Cu2Ac4Cl2]Cl...

  • Article
  • Open Access
14 Citations
2,774 Views
20 Pages

Magnetostructural Properties of Some Doubly-Bridged Phenoxido Copper(II) Complexes

  • Salah S. Massoud,
  • Febee R. Louka,
  • Madison T. Dial,
  • Nahed N. M. H. Salem,
  • Roland C. Fischer,
  • Ana Torvisco,
  • Franz A. Mautner,
  • Kai Nakashima,
  • Makoto Handa and
  • Masahiro Mikuriya

14 March 2023

Three new tripod tetradentate phenolate-amines (H2L1, H2L4 and H2L9), together with seven more already related published ligands, were synthesized, and characterized. With these ligands, two new dinuclear doubly-bridged-phenoxido copper(II) complexes...

  • Article
  • Open Access
21 Citations
3,694 Views
15 Pages

Aroylhydrazone Schiff Base Derived Cu(II) and V(V) Complexes: Efficient Catalysts towards Neat Microwave-Assisted Oxidation of Alcohols

  • Manas Sutradhar,
  • Tannistha Roy Barman,
  • Armando J. L. Pombeiro and
  • Luísa M. D. R. S. Martins

A new hexa-nuclear Cu(II) complex [Cu32-1κNO2,2κNO2-L)(μ-Cl)2(Cl)(MeOH)(DMF)2]2 (1), where H4L = N′1,N′2-bis(2-hydroxybenzylidene)oxalohydrazide, was synthesized and fully characterized by IR spectroscopy, ESI-MS, elem...

  • Article
  • Open Access
31 Citations
4,676 Views
12 Pages

Synthesis, Crystal Structures and Anticancer Studies of Morpholinyldithiocarbamato Cu(II) and Zn(II) Complexes

  • Peter A. Ajibade,
  • Fartisincha P. Andrew,
  • Nandipha L. Botha and
  • Nolwazi Solomane

6 August 2020

Cu(II) and Zn(II) morpholinyldithiocarbamato complexes, formulated as [Cu(MphDTC)2] and [Zn(μ-MphDTC)2(MphDTC)2], where MphDTC is morpholinyldithiocarbamate were synthesized and characterized by elemental analysis, spectroscopic techniques and sin...

  • Article
  • Open Access
6 Citations
2,738 Views
15 Pages

Synthesis of a New Dinuclear Cu(I) Complex with a Triazine Ligand and Diphenylphosphine Methane: X-ray Structure, Optical Properties, DFT Calculations, and Application in DSSCs

  • Carlos A. Peñuelas,
  • José J. Campos-Gaxiola,
  • Rody Soto-Rojo,
  • Adriana Cruz-Enríquez,
  • Edgar A. Reynoso-Soto,
  • Valentín Miranda-Soto,
  • Juventino J. García,
  • Marcos Flores-Álamo,
  • Jesús Baldenebro-López and
  • Daniel Glossman-Mitnik

25 September 2023

A new copper(I) complex, [Cu2(L)2dppm](PF6)2 (1) [L = 3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine and dppm: Bis(diphenylphosphino)methane], was prepared and characterized by IR, 1H-NMR, 31P-NMR spectroscopy, elemental and thermogravimetric analysis, an...

  • Article
  • Open Access
4 Citations
3,957 Views
24 Pages

We previously reported on the preparation of supramolecular complexes by the 2:2:2 assembly of a dinuclear Zn2+-cyclen (cyclen = 1,4,7,10-tetraazacyclododecane) complex having a 2,2′-bipyridyl linker equipped with 0~2 long alkyl chains (Zn2L1~Z...

  • Article
  • Open Access
1 Citations
1,425 Views
16 Pages

Studies on the Effect of Diamine Elongation in Copper(II) Complexes with NNO Tridentate Schiff Base Ligands

  • Chiara Canovi,
  • Francesco Genua,
  • Kevin D’Addazio,
  • Lara Gigli,
  • Alessandra Forni,
  • Petr Michálek,
  • Mauro Carcelli,
  • Dominga Rogolino and
  • Luca Rigamonti

The copper(II) complexes of general formula [Cu(GL2H,H)(Cl)] (A4A6, G = NO2, H and OMe, respectively), bearing NNO tridentate Schiff base ligands (GL2H,H) derived from the mono-condensation of 1,3-diaminopropane and G-substituted salicy...

  • Article
  • Open Access
15 Citations
5,031 Views
27 Pages

Two Cu(II) complexes, 1 and 2, with tridentate Schiff bases derived from 2-hydroxy-5-methylisophthalaldehyde and histamine HL1 or 2-(2-aminoethyl)pyridine HL2, respectively, were obtained and characterized by X-ray crystallography, spectroscopic (UV-...

  • Feature Paper
  • Article
  • Open Access
11 Citations
4,664 Views
24 Pages

Diversity of Coordination Modes in a Flexible Ditopic Ligand Containing 2-Pyridyl, Carbonyl and Hydrazone Functionalities: Mononuclear and Dinuclear Cobalt(III) Complexes, and Tetranuclear Copper(II) and Nickel(II) Clusters

  • Evangelos Pilichos,
  • Evangelos Spanakis,
  • Evangelia-Konstantina Maniaki,
  • Catherine P. Raptopoulou,
  • Vassilis Psycharis,
  • Mark M. Turnbull and
  • Spyros P. Perlepes

Syntheses, crystal structures and characterization are reported for four new complexes [Cu4Br2(L)4]Br2 (1), [Ni4(NO3)2(L)4(H2O)](NO3)2 (2), [Co2(L)3](ClO4)3 (3) and [Co(L)2](ClO4) (4), where L is the monoanion of the ditopic ligand N′-(1...

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