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Therapeutic Properties of Vanadium Complexes. INORGANICS 2022. [DOI: 10.3390/inorganics10120244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Vanadium is a hard, silver-grey transition metal found in at least 60 minerals and fossil fuel deposits. Its oxide and other vanadium salts are toxic to humans, but the toxic effects depend on the vanadium form, dose, exposure duration, and route of intoxication. Vanadium is used by some life forms as an active center in enzymes, such as the vanadium bromoperoxidase of ocean algae and nitrogenases of bacteria. The structure and biochemistry of vanadate resemble those of phosphate, hence vanadate can be regarded as a phosphate competitor in a variety of biochemical enzymes such as kinases and phosphatases. In this review, we describe the biochemical pathways regulated by vanadium compounds and their potential therapeutic benefits for a range of disorders including type 2 diabetes, cancer, cardiovascular disease, and microbial pathology.
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2
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Ferretti V, Matos CP, Canelas C, Pessoa JC, Tomaz AI, Starosta R, Correia I, León IE. New ternary Fe(III)-8-hydroxyquinoline-reduced Schiff base complexes as selective anticancer drug candidates. J Inorg Biochem 2022; 236:111961. [PMID: 36049258 DOI: 10.1016/j.jinorgbio.2022.111961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/04/2022] [Accepted: 08/09/2022] [Indexed: 12/24/2022]
Abstract
Due to the growing prevalence of cancer diseases, new therapeutic options are urgently needed, and drugs based on metal ions other than platinum are alternatives with exciting possibilities. We report the synthesis, characterization and biological effect of mixed-ligand Fe(III)-aminophenolate complexes derived from salicylaldehyde and L-tryptophan with quinoline derivatives as co-ligands, namely 8-hydroxyquinoline (8HQ), [Fe(L)(8HQ)(H2O)] (1) and its 5-cloro derivative (Cl8HQ), [Fe(L)(Cl8HQ)(H2O)] (2). The complex bearing the aminophenolate and lacking the quinoline co-ligand, [Fe(L)(Cl)(H2O)2] (3), was prepared for comparison. The analytical and spectroscopic characterization revealed that 1 and 2 are octahedral Fe(III) complexes with the aminophenolate acting as a dianionic tridentate ligand and 8HQ co-ligands as bidentate chelates. Spectroscopic techniques and molecular docking studies were used to evaluate the ability of these complexes to bind bovine serum albumin (BSA) and calf thymus DNA. Complex 2 [Fe(L)(Cl8HQ)(H2O)] was the one showing higher affinity for both biomolecules. Cell viability was assessed in breast, colorectal and bone human cancer cell lines. 1 and 2 were found to be more active than cisplatin in all cell lines tested. A non-tumoral fibroblast line (L929, mouse non-tumoral fibroblasts) was used to evaluate selectivity. The results evidence that 2 shows much higher selectivity than 1 in all cell lines tested, but particularly in bone cancer cells in which selectivity index (SI) values are 8.0 and 18.8 for 1 and 2, respectively.
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Affiliation(s)
- Valeria Ferretti
- CEQUINOR (UNLP, CCT-CONICET La Plata, asociado a CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 N° 1465, La Plata 1900, Argentina
| | - Cristina P Matos
- Centro de Ciências e Tecnologias Nucleares and Departamento de Ciências e Engenharia Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, 2695-066 Bobadela LRS, Portugal; Centro de Química Estrutural, Institute of Molecular Sciences, and Departamento de Engenharia Química, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Catarina Canelas
- Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - João Costa Pessoa
- Centro de Química Estrutural, Institute of Molecular Sciences, and Departamento de Engenharia Química, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Ana Isabel Tomaz
- Centro de Química Estrutural, Institute of Molecular Sciences, and Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Radosław Starosta
- Centro de Química Estrutural, Institute of Molecular Sciences, and Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal; Faculty of Chemistry, University of Wrocław, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Isabel Correia
- Centro de Química Estrutural, Institute of Molecular Sciences, and Departamento de Engenharia Química, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
| | - Ignacio E León
- CEQUINOR (UNLP, CCT-CONICET La Plata, asociado a CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 N° 1465, La Plata 1900, Argentina.
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3
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Dubrov EN, Kirillov AS, Selyutin AA, Krasikov VD, Ivanov AG. Vanadium(IV) Polymer-Metal Complex Based on Salicylideneimine Derivative of N-Vinylpirrolidone Copolymier with N-Vinylamine. RUSS J APPL CHEM+ 2022. [DOI: 10.1134/s1070427222090075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Copper(II) and oxidovanadium(IV) complexes of chromone Schiff bases as potential anticancer agents. J Biol Inorg Chem 2021; 27:89-109. [PMID: 34817681 DOI: 10.1007/s00775-021-01913-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 09/30/2021] [Indexed: 12/14/2022]
Abstract
We report the synthesis, characterization and biological screening of new chromone Schiff bases derived from the condensation of three 6-substituted-3-formyl-chromones with pyridoxal (HL1-3) and its Cu(II) complexes [Cu(L1-3)Cl], 1-3. For the 6-methyl derivative, HL2, the VIVO-complex [VO(L2)Cl] (5), as well as ternary Cu and VIVO complexes with 1,10-phenanthroline (phen), [Cu(L2)(phen)Cl] (4) and [VO(L2)(phen)Cl] (6), were also prepared and evaluated. Their stability in aqueous medium and radical scavenging activity toward DPPH are screened, with [Cu(L2)(phen)Cl] (4) showing hydrolytic stability and [VO(L2)(phen)Cl] (6) high radical scavenging activity. Spectroscopic studies establish bovine serum albumin (BSA), a model for HSA, as a potential reversible carrier of [Cu(L2)(phen)Cl] in blood with KBC ≈ 105 M-1. The cytotoxic activity of a group of compounds is evaluated against a panel of human cancer cell lines of different origin (ovary, cervix, brain and breast) and compared to normal cells. Our results indicate that Cu complexes are more cytotoxic than the ligands but not selective towards cancer cells. The most potent complexes (4 and 6) are further evaluated for their apoptotic potential, induction of reactive oxygen species (ROS) and genotoxicity. Both complexes efficiently triggered cell death through apoptosis as evaluated by DNA morphology and TUNEL assay, increased ROS formation as determined by DCFDA (2',7'-dichlorodihydrofluorescein diacetate) analysis, and induced genotoxic damage as visualized via COMET assay in all cancer cells under study. Therefore, 4 and 6 may be potential precursor anticancer molecules, yet they need to be targeted toward cancer cells.
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5
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Devonport J, Spencer J, Kostakis GE. Breaking the symmetry: C1-salans with (N-H) backbones. Dalton Trans 2021; 50:12069-12073. [PMID: 34373864 DOI: 10.1039/d1dt01950c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We disclose a synthetic route that providess an unprecedented library of C1 salan ligands endowed with (N-H) backbones, previously limited to N-methylated backbones. Efforts to identify a generic complexation protocol to yield the corresponding Cu(II)-salan complexes demonstrate the scope and limitations of this approach.
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Affiliation(s)
- Jack Devonport
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, BN1 9QJ, UK.
| | - John Spencer
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, BN1 9QJ, UK.
| | - George E Kostakis
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, BN1 9QJ, UK.
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6
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Rudbari HA, Saadati A, Aryaeifar M, Correia I, Marques F, Blacque O, Micale N. Cytotoxic oxidovanadium(IV) complexes of tridentate halogen-substituted Schiff bases: First dinuclear V(IV) complexes with O → V IV = O → V IV = O core. Bioorg Med Chem Lett 2021; 49:128285. [PMID: 34303813 DOI: 10.1016/j.bmcl.2021.128285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/26/2021] [Accepted: 07/19/2021] [Indexed: 11/16/2022]
Abstract
The reaction of potentially N,N,O-tridentate Schiff base ligands, Cl-LH, Br-LH, BrCl-LH and H-LH, with [VIVO(acac)2] in 2:1 ratio in methanol gave the corresponding mononuclear and dinuclear oxidovanadium(IV) complexes, VO(Cl-L)2 (1), VO(Br-L)2 (2), [(BrCl-L)2(H2O)V(μ-O)VO(BrCl-L)2] (3) and [(H-L)2(H2O)V(μ -O)VO(H-L)2] (4), in good yields. The ligands and complexes were fully characterized by elemental analysis and FT-IR spectroscopy. The ligands were also characterized by 1H NMR spectroscopy. The oxidation state of V(IV)O with d1 configuration in all synthesized complexes was confirmed by EPR. Moreover, the structures of 2 and 3 were determined by X-ray diffraction (XRD) analysis which revealed them as mono- and dinuclear vanadium(IV) complexes, respectively, with the ligands coordinated as bidentate chelates. The structure of 3 represents the first example of dinuclear V(IV) complex with O → VIV = O → VIV = O core (Cambridge Structural Database (CSD), version 5.42, update of May 2021). The cytotoxicity of ligands and complexes was evaluated towards ovarian (A2780), breast (MCF7) and prostate (PC3) cancer cells at 48 h. While ligands showed modest IC50 values (>42 μM), all complexes turned out to be effective in the range 3.9-17.2 μM. In particular, A2780 and MCF7 cell lines were the most sensitive to the newly synthesized V(IV)O complexes.
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Affiliation(s)
- Hadi Amiri Rudbari
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran.
| | - Arezoo Saadati
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Mahnaz Aryaeifar
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Isabel Correia
- Centro de Química Estrutural and Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
| | - Fernanda Marques
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, km 139.7, 2695-066 Bobadela LRS, Portugal
| | - Olivier Blacque
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Nicola Micale
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D'Alcontres 31, I-98166 Messina, Italy
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Bunda S, May NV, Bonczidai-Kelemen D, Udvardy A, Ching HYV, Nys K, Samanipour M, Van Doorslaer S, Joó F, Lihi N. Copper(II) Complexes of Sulfonated Salan Ligands: Thermodynamic and Spectroscopic Features and Applications for Catalysis of the Henry Reaction. Inorg Chem 2021; 60:11259-11272. [PMID: 34251196 DOI: 10.1021/acs.inorgchem.1c01264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Copper(II) complexes formed with sulfonated salan ligands (HSS) have been synthesized, and their coordination chemistry has been characterized using pH-potentiometry and spectroscopic methods [UV-vis, electron paramagnetic resonance (EPR), and electron-electron double resonance (ELDOR)-detected NMR (EDNMR)] in aqueous solution. Several bridging moieties between the two salicylamine functions were introduced, e.g., ethyl (HSS), propyl (PrHSS), butyl (BuHSS), cyclohexyl (cis-CyHSS, trans-CyHSS), and diphenyl (dPhHSS). All of the investigated ligands feature excellent copper(II) binding ability via the formation of a (O-,N,N,O-) chelate system. The results indicated that the cyclohexyl moiety significantly enhances the stability of the copper(II) complexes. EPR studies revealed that the arrangement of the coordinated donor atoms is more symmetrical around the copper(II) center and similar for HSS, BuHSS, CyHSS, and dPhHSS, respectively, and a higher rhombicity of the g tensor was detected for PrHSS. The copper(II) complexes of the sulfosalan ligands were isolated in solid form also and showed moderate catalytic activity in the Henry (nitroaldol) reaction of aldehydes and nitromethane. The best yield for nitroaldol production was obtained for copper(II) complexes of PrHSS and BuHSS, although their metal binding ability is moderate compared to that of the cyclohexyl counterparts. However, these complexes possess larger spin density on the nitrogen nuclei than that for the other cases, which alters their catalytic activity.
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Affiliation(s)
- Szilvia Bunda
- Department of Physical Chemistry, University of Debrecen, Debrecen H-4032, Hungary.,Doctoral School of Chemistry, University of Debrecen, Debrecen H-4032, Hungary
| | - Nóra V May
- Centre for Structural Science, Research Centre for Natural Sciences, Budapest H-1519, Hungary
| | - Dóra Bonczidai-Kelemen
- Doctoral School of Chemistry, University of Debrecen, Debrecen H-4032, Hungary.,Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen H-4032, Hungary
| | - Antal Udvardy
- Department of Physical Chemistry, University of Debrecen, Debrecen H-4032, Hungary
| | - H Y Vincent Ching
- Department of Chemistry, University of Antwerp, Universiteitsplein 1, Antwerpen B-2610, Belgium
| | - Kevin Nys
- Department of Chemistry, University of Antwerp, Universiteitsplein 1, Antwerpen B-2610, Belgium
| | - Mohammad Samanipour
- Department of Chemistry, University of Antwerp, Universiteitsplein 1, Antwerpen B-2610, Belgium
| | - Sabine Van Doorslaer
- Department of Chemistry, University of Antwerp, Universiteitsplein 1, Antwerpen B-2610, Belgium
| | - Ferenc Joó
- Department of Physical Chemistry, University of Debrecen, Debrecen H-4032, Hungary.,MTA-DE Redox and Homogeneous Reaction Mechanisms Research Group, University of Debrecen, Debrecen H-4032, Hungary
| | - Norbert Lihi
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen H-4032, Hungary.,MTA-DE Redox and Homogeneous Reaction Mechanisms Research Group, University of Debrecen, Debrecen H-4032, Hungary
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8
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Apoptotic induction in K562 cell line by new water-soluble complexes of nickel(II) and zinc(II). Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Synthesis, characterization and DFT studies of novel –CH2– capped and non-capped salan complexes. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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10
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Mello LDS, da Cruz Jr JW, Bucalon DH, Romera S, dos Santos MP, Lião LM, Vizotto L, Martins FT, Dockal ER. Synthesis, characterization and crystal structure of racemic vanadyl and uranyl salen-type complexes. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129656] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Experimental and theoretical corroboration of antimicrobial and anticancer activities of two pseudohalides induced structurally diverse Cd (II)-Salen complexes. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129189] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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12
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Janas Z, Jezierska J, Ozarowski A, Bieńko A, Lis T, Jezierski A, Krawczyk M. Investigation of vanadium(III) and vanadium(IV) compounds supported by the linear diaminebis(phenolate) ligands: correlation between structures and magnetic properties. Dalton Trans 2021; 50:5184-5196. [PMID: 33881036 DOI: 10.1039/d0dt04302h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A family of oxidovanadium(iv) compounds containing linear diaminebis(phenolate (salans) L1-5 ligands (L1 = [MeNCH2CH2NMe(CH2-4-CMe2CH2CMe3-C6H3O)2]2-; L2 = [MeNCH2CH2NMe(CH2-4-CH3-C6H3O)2]2-; L3 = [MeNCH2CH2NMe(CH2-4-Cl-C6H3O)2]2-; L4 = {MeNCH2CH2NMe[CH2-4,6-(CH3)2-C6H2O]2}2-; and L5 = {MeNCH2CH2NMe[CH2-4,6-(Br)2-C6H2O]2}2-) and non-oxidovanadium(iii) with L2,4 and acac ligands has been prepared and characterized by chemical and physical techniques. Reactions of [VO(acac)2] with ligand precursors H2L2,4 in toluene or hexane afforded vanadium(iii) compounds [V(L-κ4ONNO)(acac)] (1, L2; 2, L4), while the use of acetonitrile or ethanol led to the formation of dimeric oxidovanadium(iv) [(VO)2(μ-L-κ4ONNO)2] (3, L1; 4, L2; 5, L3) and monomeric [VO(L-κ4ONNO)] (6, L4, 7, L5) compounds. As shown by X-ray crystallography, compounds 1 and 2 are monomeric, in which the chelating ligands afford octahedral cis-α geometry at the vanadium center. In the dimeric structures of 3-5, the six-coordinate vanadium centers are bridged via two oxygen atoms of the L1-3 ligands while the L4,5 ligands generate square pyramidal structures of the monomeric 6 and 7 compounds. HFEPR studies allowed the determination of the spin Hamiltonian parameters of the S = 1 spin state of the monomeric V(iii) and dimeric V(iv), and S = ½ in monomeric V(iv) compounds. Magnetic measurements of 3-5 indicated weak ferromagnetic metal-metal exchange interactions. A reaction course for the deoxygenation and reduction of vanadyl-salan compounds is proposed.
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Affiliation(s)
- Zofia Janas
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland.
| | - Julia Jezierska
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland.
| | - Andrew Ozarowski
- National High Magnetic Field Laboratory, Florida State University, 1800 E. Paul Dirac Drive, Tallahassee, FL 32310, USA.
| | - Alina Bieńko
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland.
| | - Tadeusz Lis
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland.
| | - Adam Jezierski
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland.
| | - Marta Krawczyk
- Faculty of Pharmacy, Wrocław Medical University, 211 Borowska, 50-556 Wrocław, Poland
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Ribeiro N, Bulut I, Cevatemre B, Teixeira C, Yildizhan Y, André V, Adão P, Pessoa JC, Acilan C, Correia I. Cu(ii) and V(iv)O complexes with tri- or tetradentate ligands based on (2-hydroxybenzyl)-l-alanines reveal promising anticancer therapeutic potential. Dalton Trans 2021; 50:157-169. [DOI: 10.1039/d0dt03331f] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
New CuII- and VIVO amino acid complexes show antiproliferative activity mediated by apoptosis and genomic damage.
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Affiliation(s)
- Nádia Ribeiro
- Centro de Química Estrutural and Departamento de Engenharia Química
- Instituto Superior Técnico
- 1049-001 Lisboa
- Portugal
| | - Ipek Bulut
- Koç University
- Graduate School of Health Sciences
- Sariyer, 34450
- Turkey
| | - Buse Cevatemre
- Koç University Research Center for Translational Medicine (KUTTAM)
- Sariyer 34450
- Turkey
| | - Carlos Teixeira
- Centro de Química Estrutural and Departamento de Engenharia Química
- Instituto Superior Técnico
- 1049-001 Lisboa
- Portugal
| | - Yasemin Yildizhan
- TUBITAK
- Marmara Research Center
- Genetic Engineering and Biotechnology Institute
- Kocaeli
- Turkey
| | - Vânia André
- Centro de Química Estrutural and Departamento de Engenharia Química
- Instituto Superior Técnico
- 1049-001 Lisboa
- Portugal
| | - Pedro Adão
- MARE - Centro de Ciências do Mar e do Ambiente
- Politécnico de Leiria
- 2520-630 Peniche
- Portugal
| | - João Costa Pessoa
- Centro de Química Estrutural and Departamento de Engenharia Química
- Instituto Superior Técnico
- 1049-001 Lisboa
- Portugal
| | - Ceyda Acilan
- Koç University Research Center for Translational Medicine (KUTTAM)
- Sariyer 34450
- Turkey
| | - Isabel Correia
- Centro de Química Estrutural and Departamento de Engenharia Química
- Instituto Superior Técnico
- 1049-001 Lisboa
- Portugal
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Homogeneous catalytic hydrogenation of lipids in aqueous dispersions and bacterial cell membranes with an efficient water-soluble Pd(II)-sulfosalan catalyst, Na2[Pd(HSS)]. CATAL COMMUN 2020. [DOI: 10.1016/j.catcom.2020.106153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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15
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DNA/BSA binding of a new oxovanadium (IV) complex of glycylglycine derivative Schiff base ligand. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128664] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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16
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Vráblová A, Tomás M, Titiš J, Černák J, Falvello LR. On new solvatomorphs of the metalloligand [Ni(o-van-en)]. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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17
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Bunda S, Voronova K, Kathó Á, Udvardy A, Joó F. Palladium (II)-Salan Complexes as Catalysts for Suzuki-Miyaura C-C Cross-Coupling in Water and Air. Effect of the Various Bridging Units within the Diamine Moieties on the Catalytic Performance. Molecules 2020; 25:molecules25173993. [PMID: 32887249 PMCID: PMC7504744 DOI: 10.3390/molecules25173993] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 11/16/2022] Open
Abstract
Water-soluble salan ligands were synthesized by hydrogenation and subsequent sulfonation of salens (N,N'-bis(slicylidene)ethylenediamine and analogues) with various bridging units (linkers) connecting the nitrogen atoms. Pd (II) complexes were obtained in reactions of sulfosalans and [PdCl4]2-. Characterization of the ligands and complexes included extensive X-ray diffraction studies, too. The Pd (II) complexes proved highly active catalysts of the Suzuki-Miyaura reaction of aryl halides and arylboronic acid derivatives at 80 °C in water and air. A comparative study of the Pd (II)-sulfosalan catalysts showed that the catalytic activity largely increased with increasing linker length and with increasing steric congestion around the N donor atoms of the ligands; the highest specific activity was 40,000 (mol substrate) (mol catalyst × h)-1. The substrate scope was explored with the use of the two most active catalysts, containing 1,4-butylene and 1,2-diphenylethylene linkers, respectively.
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Affiliation(s)
- Szilvia Bunda
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, H-4002 Debrecen, Hungary; (S.B.); (Á.K.)
- Doctoral School of Chemistry, University of Debrecen, P.O. Box 400, H-4002 Debrecen, Hungary
| | - Krisztina Voronova
- Department of Chemistry, University of Nevada, Reno, Reno, NV 89557, USA;
| | - Ágnes Kathó
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, H-4002 Debrecen, Hungary; (S.B.); (Á.K.)
| | - Antal Udvardy
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, H-4002 Debrecen, Hungary; (S.B.); (Á.K.)
- Correspondence: (A.U.); (F.J.)
| | - Ferenc Joó
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, H-4002 Debrecen, Hungary; (S.B.); (Á.K.)
- MTA-DE Redox and Homogeneous Catalytic Reaction Mechanisms Research Group, P.O. Box 400, H-4002 Debrecen, Hungary
- Correspondence: (A.U.); (F.J.)
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Nunes P, Marques F, Cavaco I, Costa Pessoa J, Correia I. Exploring the therapeutic potential of Cu(II)-complexes with ligands derived from pyridoxal. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119558] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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Coordination chemistry and catalytic applications of Pd(II)–, and Ni(II)–sulfosalan complexes in aqueous media. J Inorg Biochem 2020; 203:110945. [DOI: 10.1016/j.jinorgbio.2019.110945] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 11/22/2022]
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20
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Hazra S, Mohanta S. Metal–tin derivatives of compartmental Schiff Bases: Synthesis, structure and application. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.05.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Finelli A, Hérault N, Crochet A, Fromm KM. Compartmentalization of Alkaline-Earth Metals in Salen-Type Cu- and Ni-Complexes in Solution and in the Solid State. ACS OMEGA 2019; 4:10231-10242. [PMID: 31460115 PMCID: PMC6648824 DOI: 10.1021/acsomega.9b00365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 04/25/2019] [Indexed: 06/10/2023]
Abstract
The precise arrangement of metal ions in type and number by a ligand represents an important challenge in biology as well as in materials science. The preorganization of different metal ions such as alkaline-earth and transition-metal ions is of particular interest for the design of catalysts or precursors of oxides. This study is based on a Ω-shaped salen-derived ligand comprising N2O2 and O2O2 coordination sites. The selective binding of Cu(II) and Ni(II) and alkaline-earth-metal ions is influenced by many factors such as the size of the cation, the solvent, or the counterion. UV-vis and 1H NMR titrations and single-crystal X-ray structures reveal that the obtained complexes tend to adopt different structures in solution compared to the solid state. Mainly discrete motifs with a stoichiometry 1:1 (LM1 to alkaline-earth-metal ions) have been shown to form in the solid state, whereas in solution, the 2:1 complexes are predominant.
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Affiliation(s)
- Alba Finelli
- Department
of Chemistry and FriMat, Department of Chemistry, University
of Fribourg, Ch. du Musée 9, 1700 Fribourg, Switzerland
| | - Nelly Hérault
- Department
of Chemistry and FriMat, Department of Chemistry, University
of Fribourg, Ch. du Musée 9, 1700 Fribourg, Switzerland
| | - Aurélien Crochet
- Department
of Chemistry and FriMat, Department of Chemistry, University
of Fribourg, Ch. du Musée 9, 1700 Fribourg, Switzerland
| | - Katharina M. Fromm
- Department
of Chemistry and FriMat, Department of Chemistry, University
of Fribourg, Ch. du Musée 9, 1700 Fribourg, Switzerland
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22
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Majumdar D, Das S, Thomas R, Ullah Z, Sreejith S, Das D, Shukla P, Bankura K, Mishra D. Syntheses, X-ray crystal structures of two new Zn(II)-dicyanamide complexes derived from H2vanen-type compartmental ligands: Investigation of thermal, photoluminescence, in vitro cytotoxic effect and DFT-TDDFT studies. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.04.041] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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23
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Salan vs. salen metal complexes in catalysis and medicinal applications: Virtues and pitfalls. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.02.035] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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Vráblová A, Černák J, Falvello LR, Tomás M. Polymorphism of the dinuclear Co III-Schiff base complex [Co 2(o-van-en) 3]·4CH 3CN (o-van-en is a salen-type ligand). Acta Crystallogr C Struct Chem 2019; 75:433-442. [PMID: 30957789 PMCID: PMC6452776 DOI: 10.1107/s2053229619003115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 03/01/2019] [Indexed: 11/10/2022] Open
Abstract
Reactions of Co(OH)2 with the Schiff base bis(2-hydroxy-3-methoxybenzylidene)ethylenediamine, denoted H2(o-van-en), under different conditions yielded the previously reported complex aqua[bis(3-methoxy-2-oxidobenzylidene)ethylenediamine]cobalt(II), [Co(C18H18N2O4)(H2O)], 1, under anaerobic conditions and two polymorphs of [μ-bis(3-methoxy-2-oxidobenzylidene)ethylenediamine]bis{[bis(3-methoxy-2-oxidobenzylidene)ethylenediamine]cobalt(III)} acetonitrile tetrasolvate, [Co2(C18H18N2O4)3]·4CH3CN, i.e. monoclinic 2 and triclinic 3, in the presence of air. Both novel polymorphs were chemically and spectroscopically characterized. Their crystal structures are built up of centrosymmetric dinuclear [Co2(o-van-en)3] complex molecules, in which each CoIII atom is coordinated by one tetradentate dianionic o-van-en ligand in an uncommon bent fashion. The pseudo-octahedral coordination of the CoIII atom is completed by one phenolate O and one amidic N atom of the same arm of the bridging o-van-en ligand. In addition, the asymmetric units of both polymorphs contain two acetonitrile solvent molecules. The polymorphs differ in the packing orders of the dinuclear [Co2(o-van-en)3] complex molecules, i.e. alternating ABABAB in 2 and AAA in 3. In addition, differences in the conformations, the positions of the acetonitrile solvent molecules and the pattern of intermolecular interactions were observed. Hirshfeld surface analysis permits a qualitative inspection of the differences in the intermolecular space in the two polymorphs. A knowledge-based study employing Full Interaction Maps was used to elucidate possible reasons for the polymorphism.
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Affiliation(s)
- Anna Vráblová
- Department of Inorganic Chemistry, Institute of Chemistry, P. J. Šafárik University in Košice, Moyzesova 11, Košice, SK-04154, Slovakia
- Department of Inorganic Chemistry, University of Zaragoza, Pedro Cerbuna 12, Zaragoza, E-50009, Spain
| | - Juraj Černák
- Department of Inorganic Chemistry, Institute of Chemistry, P. J. Šafárik University in Košice, Moyzesova 11, Košice, SK-04154, Slovakia
| | - Larry R. Falvello
- Department of Inorganic Chemistry, University of Zaragoza, Pedro Cerbuna 12, Zaragoza, E-50009, Spain
- Aragón Materials Science Institute (ICMA), University of Zaragoza, Pedro Cerbuna 12, Zaragoza, E-50009, Spain
| | - Milagros Tomás
- Department of Inorganic Chemistry, University of Zaragoza, Pedro Cerbuna 12, Zaragoza, E-50009, Spain
- Institute of Chemical Synthesis and Homogeneous Catalysis (ISQCH), University of Zaragoza, Pedro Cerbuna 12, Zaragoza, E-50009, Spain
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25
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Synthesis and encapsulation of V(IV,V) compounds in silica nanoparticles targeting development of antioxidant and antiradical nanomaterials. J Inorg Biochem 2019; 194:180-199. [PMID: 30875656 DOI: 10.1016/j.jinorgbio.2018.12.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 11/14/2018] [Accepted: 12/02/2018] [Indexed: 01/09/2023]
Abstract
The quest for effective treatments of oxidative stress has concentrated over the years on new nanomaterials with improved antioxidant and antiradical activity, thereby attracting broad research interest. In that regard, research efforts in our lab were launched to pursue such hybrid materials involving a) synthesis of silica gel matrices, b) evaluation of the suitability of atoxic matrices as potential carriers for the controlled release of V(IV)(VOSO4), V(V)(NaVO3) compounds and a newly synthesized heterometallic lithium-vanadium(IV,V) tetranuclear compound containing vanadium-bound hydroxycarboxylic 1,3-diamine-2-propanol-N,N,N',N'-tetraacetic acid (DPOT), and c) investigation of structural and textural properties of silica nanoparticles (NPs) by different and complementary characterization techniques, inquiring into the nature of the encapsulated vanadium species and their interaction with the siloxane matrix, collectively targeting novel antioxidant and antiradical nanomaterials biotechnology. The physicochemical characterization of the vanadium-loaded SiO2 NPs led to the formulation of optimized material configuration linked to the delivery of the encapsulated antioxidant-antiradical load. Entrapment and drug release studies showed a) the competence of hybrid nanoparticles with respect to encapsulation efficiency of the vanadium compound (concentration dependence), b) congruence with the physicochemical features determined, and c) a well-defined release profile of NP load. Antioxidant properties and the free radical scavenging capacity of the new hybrid materials (containing VOSO4, NaVO3, and V-DPOT) were demonstrated through a) 2-diphenyl-1-picrylhydrazyl (DPPH) free radical, and b) intracellular-extracellular reactive oxygen species (ROS) assays, through UV-Visible spectroscopy techniques, collectively showing that the hybrid silica NPs (empty-loaded) could serve as an efficient platform for nanodrug formulations counteracting oxidative stress.
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26
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Mohammadnezhad G, Akintola O, Buchholz A, Görls H, Plass W. Probing the chirality of oxidovanadium( v) centers in complexes with tridentate sugar Schiff-base ligands: solid-state and solution behavior. NEW J CHEM 2019. [DOI: 10.1039/c9nj02881a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Configurations of oxidovanadium centers in diastereomeric complexes with chiral sugar ligands are assigned and in the solid state triggered by the coordination number at the vanadium center through the steric requirements of the chelate ligand.
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Affiliation(s)
| | - Oluseun Akintola
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
| | - Axel Buchholz
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität, Jena
- 07743 Jena
- Germany
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27
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Ribeiro N, Galvão AM, Gomes CSB, Ramos H, Pinheiro R, Saraiva L, Ntungwe E, Isca V, Rijo P, Cavaco I, Ramilo-Gomes F, Guedes RC, Pessoa JC, Correia I. Naphthoylhydrazones: coordination to metal ions and biological screening. NEW J CHEM 2019. [DOI: 10.1039/c9nj01816f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
VIVO, CuII and ZnII complexes from three new naphthoylhydrazones were screened towards their ability to bind albumin and their cytotoxicity.
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28
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Tsave O, Halevas E, Yavropoulou MP, Yovos E, Hatzidimitriou A, Psycharis V, Ypsilantis K, Stathi P, Salifoglou A. V(v)-Schiff base species induce adipogenesis through structure-specific influence of genetic targets. NEW J CHEM 2019. [DOI: 10.1039/c9nj02520k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Appropriately designed Schiff-base substrates enhance V(v)-bioavailability and insulin-mimetic biomolecular gene profiling, inducing adipogenesis in a structure-specific manner.
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Affiliation(s)
- O. Tsave
- Laboratory of Inorganic Chemistry and Advanced Materials
- Department of Chemical Engineering
- Aristotle University of Thessaloniki
- Thessaloniki 54124
- Greece
| | - E. Halevas
- Laboratory of Inorganic Chemistry and Advanced Materials
- Department of Chemical Engineering
- Aristotle University of Thessaloniki
- Thessaloniki 54124
- Greece
| | - M. P. Yavropoulou
- Division of Clinical and Molecular Endocrinology
- 1st Department of Internal Medicine
- AHEPA
- University Hospital
- Aristotle University of Thessaloniki
| | - E. Yovos
- Division of Clinical and Molecular Endocrinology
- 1st Department of Internal Medicine
- AHEPA
- University Hospital
- Aristotle University of Thessaloniki
| | - A. Hatzidimitriou
- Laboratory of Inorganic Chemistry
- Department of Chemistry
- Aristotle University of Thessaloniki
- Thessaloniki 54124
- Greece
| | - V. Psycharis
- Institute of Nanoscience and Nanotechnology
- NCSR “Demokritos”
- Aghia Paraskevi 15310
- Greece
| | - K. Ypsilantis
- Department of Chemistry
- University of Ioannina
- Ioannina 45110
- Greece
| | - P. Stathi
- Laboratory of Physical Chemistry of Materials & Environment
- Department of Physics
- University of Ioannina
- Ioannina 45110
- Greece
| | - A. Salifoglou
- Laboratory of Inorganic Chemistry and Advanced Materials
- Department of Chemical Engineering
- Aristotle University of Thessaloniki
- Thessaloniki 54124
- Greece
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29
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Bunda S, Udvardy A, Voronova K, Joó F. Organic Solvent-Free, Pd(II)-Salan Complex-Catalyzed Synthesis of Biaryls via Suzuki–Miyaura Cross-Coupling in Water and Air. J Org Chem 2018; 83:15486-15492. [DOI: 10.1021/acs.joc.8b02340] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Szilvia Bunda
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
| | - Antal Udvardy
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
| | - Krisztina Voronova
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
| | - Ferenc Joó
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
- MTA-DE Redox and Homogeneous Catalytic Reaction Mechanisms Research Group, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
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30
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Hernández-Benítez LJ, Jiménez-Cruz P, Cureño-Hernández KE, Solano-Peralta A, Flores-Álamo M, Flores-Parra A, Gracia-Mora I, Castillo-Blum SE. [VIVO]2+ complexes: Structure, unusual magnetic properties and cytotoxic effect. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.05.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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31
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Palmajumder E, Dash SR, Mitra J, Mukherjea KK. A Multifunctional Biomimicking Oxidovanadium(V) Complex: Synthesis, DFT Calculations, Bromo‐peroxidation and DNA Nuclease Activities. ChemistrySelect 2018. [DOI: 10.1002/slct.201800817] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Soumya Ranjan Dash
- CSIR - Central Salt & Marine Chemicals Research InstituteGijubhaiBadheka Marg Bhavnagar - 364002, Gujarat India
| | - Joyee Mitra
- CSIR - Central Salt & Marine Chemicals Research InstituteGijubhaiBadheka Marg Bhavnagar - 364002, Gujarat India
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32
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Zhao X, Zhang D, Yu R, Chen S, Zhao D. Tetrahydrosalen Uranyl(VI) Complexes: Crystal Structures and Solution Binding Study. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201701401] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiao Zhao
- Beijing National Laboratory for Molecular Sciences (BNLMS); Department of Applied Chemistry; Centre for Soft Matter Science and Engineering; Key Lab of Polymer Chemistry & Physics of Ministry of Education; College of Chemistry; Peking University; 100871 Beijing P. R. China
| | - Di Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS); Department of Applied Chemistry; Centre for Soft Matter Science and Engineering; Key Lab of Polymer Chemistry & Physics of Ministry of Education; College of Chemistry; Peking University; 100871 Beijing P. R. China
| | - Ren Yu
- Beijing Research Institute of Chemical Engineering and Metallurgy; 101149 Beijing P. R. China
| | - Shusen Chen
- Beijing Research Institute of Chemical Engineering and Metallurgy; 101149 Beijing P. R. China
| | - Dahui Zhao
- Beijing National Laboratory for Molecular Sciences (BNLMS); Department of Applied Chemistry; Centre for Soft Matter Science and Engineering; Key Lab of Polymer Chemistry & Physics of Ministry of Education; College of Chemistry; Peking University; 100871 Beijing P. R. China
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33
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Boyle TJ, Perales D, Rimsza JM, Alam TM, Boye DM, Sears JM, Greathouse JA, Kemp RA. Synthesis and characterization of thallium–salen derivatives for use as underground fluid flow tracers. Dalton Trans 2018; 47:4162-4174. [DOI: 10.1039/c7dt04121g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
[Tl2(salo-But)] (1, shown) and [Tl2(saloPh-But)] (2) were synthesized and characterized for use as monitors for deep subterranean fluid flows.
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Affiliation(s)
- Timothy J. Boyle
- Sandia National Laboratories
- Advanced Materials Laboratory Department
- 1001 University Boulevard
- Albuquerque
- USA
| | - Diana Perales
- Sandia National Laboratories
- Advanced Materials Laboratory Department
- 1001 University Boulevard
- Albuquerque
- USA
| | | | - Todd M. Alam
- Sandia National Laboratories
- Organic Materials Science Department
- Albuquerque
- USA
| | | | - Jeremiah M. Sears
- Sandia National Laboratories
- Advanced Materials Laboratory Department
- 1001 University Boulevard
- Albuquerque
- USA
| | | | - Richard A. Kemp
- Sandia National Laboratories
- Advanced Materials Laboratory Department
- 1001 University Boulevard
- Albuquerque
- USA
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34
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Ribeiro N, Roy S, Butenko N, Cavaco I, Pinheiro T, Alho I, Marques F, Avecilla F, Costa Pessoa J, Correia I. New Cu(II) complexes with pyrazolyl derived Schiff base ligands: Synthesis and biological evaluation. J Inorg Biochem 2017. [DOI: 10.1016/j.jinorgbio.2017.05.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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35
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Hsu CY, Tseng HC, Vandavasi JK, Lu WY, Wang LF, Chiang MY, Lai YC, Chen HY, Chen HY. Investigation of the dinuclear effect of aluminum complexes in the ring-opening polymerization of ε-caprolactone. RSC Adv 2017. [DOI: 10.1039/c7ra02136d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Al complexes bearing hydrazine-bridging Schiff base ligands showed the best catalytic activity, approximately 3- to 11-fold higher than that of dinuclear Al complexes bearing Salen ligands and mononuclear Al complexes bearing Schiff base ligands.
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Affiliation(s)
- Chiao-Yin Hsu
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
| | - Hsi-Ching Tseng
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
| | | | - Wei-Yi Lu
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
| | - Li-Fang Wang
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
| | - Michael Y. Chiang
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
- Department of Chemistry
| | - Yi-Chun Lai
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
| | - Hsing-Yin Chen
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
| | - Hsuan-Ying Chen
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung 80708
- Republic of China
- Department of Medical Research
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36
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Hazra S, Meyrelles R, Charmier AJ, Rijo P, Guedes da Silva MFC, Pombeiro AJL. N-HO and N-HCl supported 1D chains of heterobimetallic Cu II/Ni II-Sn IV cocrystals. Dalton Trans 2016; 45:17929-17938. [PMID: 27779268 DOI: 10.1039/c6dt03118h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The Schiff base H2L1 [N,N'-ethylenebis(3-methoxysalicylaldimine)] or H2L2 [N,N'-ethylenebis(3-ethoxysalicylaldimine)] was reacted with MCl2·xH2O and SnCl4·5H2O to afford the supramolecular heterobimetallic systems (H2ED)2+·2[ML]·[SnCl6]2- [M = Cu, L = L1 (1), L = L2 (2); M = Ni, L = L1 (3), L = L2 (4); ED = 1,2-ethylenediamine], whose structures were established by single crystal X-ray analyses. Each structure includes different entities, viz. a mononuclear [CuL]/[NiL] neutral complex (coformer), a hexachlorostannate dianion [SnCl6]2-, a 1,2-ethylenediammonium dication (H2ED2+) and, only in 2 and 4, a methanol molecule. Based on the work of Grothe et al. (Cryst. Growth Des., 2016, 16, 3237-3243), compounds 1 and 3 are cocrystal salts, 2 and 4 are cocrystal salt solvates. The ionic pairs (H2ED)2+·[SnCl6]2- in 1-4 are encapsulated by the Cu- or Ni-complexes, and stabilized by N-HO and one N-HCl bond interactions leading to infinite 1D chains. The antimicrobial studies of 1-4 against yeasts (C. albicans and S. cerevisiae) and Gram-positive (S. aureus and E. faecalis) and -negative bacteria (P. aeruginosa and E. coli) indicate that the Ni2Sn systems (3 and 4) are more active than the analogous Cu2Sn ones (1 and 2).
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Affiliation(s)
- Susanta Hazra
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal.
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37
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Kober E, Janas Z, Jezierska J. Oxidation of 1-Methyl-1-phenylhydrazine with Oxidovanadium(V)–Salan Complexes: Insight into the Pathway to the Formation of Hydrazine by Vanadium Nitrogenase. Inorg Chem 2016; 55:10888-10898. [DOI: 10.1021/acs.inorgchem.6b01283] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Ewa Kober
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland
| | - Zofia Janas
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland
| | - Julia Jezierska
- Faculty of Chemistry, University of Wrocław, 14, F. Joliot-Curie, 50-383 Wrocław, Poland
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38
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Krishna GR, Devarapalli R, Lal G, Reddy CM. Mechanically Flexible Organic Crystals Achieved by Introducing Weak Interactions in Structure: Supramolecular Shape Synthons. J Am Chem Soc 2016; 138:13561-13567. [DOI: 10.1021/jacs.6b05118] [Citation(s) in RCA: 218] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Gamidi Rama Krishna
- Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur 741 246, India
| | - Ramesh Devarapalli
- Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur 741 246, India
| | - Garima Lal
- Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur 741 246, India
| | - C. Malla Reddy
- Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Mohanpur 741 246, India
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39
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Metal(II) Complexes of Compartmental Polynuclear Schiff Bases Containing Phenolate and Alkoxy Groups. CRYSTALS 2016. [DOI: 10.3390/cryst6080091] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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40
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Chapman MR, Henkelis SE, Kapur N, Nguyen BN, Willans CE. A Straightforward Electrochemical Approach to Imine- and Amine-bisphenolate Metal Complexes with Facile Control Over Metal Oxidation State. ChemistryOpen 2016; 5:351-6. [PMID: 27547645 PMCID: PMC4981056 DOI: 10.1002/open.201600019] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Indexed: 01/23/2023] Open
Abstract
Synthetic methods to prepare organometallic and coordination compounds such as Schiff-base complexes are diverse, with the route chosen being dependent upon many factors such as metal-ligand combination and metal oxidation state. In this work we have shown that electrochemical methodology can be employed to synthesize a variety of metal-salen/salan complexes which comprise diverse metal-ligand combinations and oxidation states. Broad application has been demonstrated through the preparation of 34 complexes under mild and ambient conditions. Unprecedented control over metal oxidation state (M(II/III/IV) where M=Fe, Mn) is presented by simple modification of reaction conditions. Along this route, a general protocol-switch is described which allows access to analytically pure Fe(II/III)-salen complexes. Tuning electrochemical potential, selective metalation of a Mn/Ni alloy is also presented which exclusively delivers Mn(II/IV)-salen complexes in high yield.
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Affiliation(s)
- Michael R. Chapman
- School of ChemistryUniversity of LeedsWoodhouse LaneLeedsLS2 9JTUnited Kingdom
| | - Susan E. Henkelis
- School of ChemistryUniversity of LeedsWoodhouse LaneLeedsLS2 9JTUnited Kingdom
| | - Nikil Kapur
- School of Mechanical EngineeringUniversity of LeedsWoodhouse LaneLeedsLS2 9JTUnited Kingdom
| | - Bao N. Nguyen
- School of ChemistryUniversity of LeedsWoodhouse LaneLeedsLS2 9JTUnited Kingdom
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Sing N, Roy S, Guin PS, Mahali K, Majee P, Mondal SK, Mahata P, Sengupta PS, Mondal P. A Co(ii) complex of a vitamer of vitamin B6acts as a sensor for Hg2+and pH in aqueous media. NEW J CHEM 2016. [DOI: 10.1039/c6nj00410e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A new Co(ii) complex was prepared by template reaction, acting as a dual fluorescent sensor for Hg2+ions and pH in aqueous solution.
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Affiliation(s)
- Nilam Sing
- Department of Chemistry (UG & PG)
- Vivekananda Mahavidyalaya
- Burdwan-713103
- India
| | - Sanjay Roy
- Department of Chemistry
- Shibpur Dinobundhoo Institution (College)
- Howrah-711102
- India
| | - Partha Sarathi Guin
- Department of Chemistry
- Shibpur Dinobundhoo Institution (College)
- Howrah-711102
- India
| | | | - Prakash Majee
- Department of Chemistry
- Visva-Bharati
- Santiniketan-731235
- India
| | | | - Partha Mahata
- Department of Chemistry
- Suri Vidyasagar College
- Suri-731101
- India
| | | | - Palash Mondal
- Department of Chemistry (UG & PG)
- Vivekananda Mahavidyalaya
- Burdwan-713103
- India
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42
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Panwar V, Bansal A, Ray SS, Jain SL. Renewable waste rice husk grafted oxo-vanadium catalyst for oxidation of tertiary amines to N-oxides. RSC Adv 2016. [DOI: 10.1039/c6ra13571d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Low cost renewable waste rice husks (RH) have been used as a support for grafting of an oxo-vanadium Schiff base via covalent attachment for the oxidation of tertiary amines to N-oxide.
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Affiliation(s)
- Vineeta Panwar
- Chemical Sciences Division
- CSIR-Indian Institute of Petroleum
- Dehradun-248005
- India
| | - Ankushi Bansal
- Chemical Sciences Division
- CSIR-Indian Institute of Petroleum
- Dehradun-248005
- India
| | - Siddharth S. Ray
- Chemical Sciences Division
- CSIR-Indian Institute of Petroleum
- Dehradun-248005
- India
| | - Suman L. Jain
- Chemical Sciences Division
- CSIR-Indian Institute of Petroleum
- Dehradun-248005
- India
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43
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Pis-Diez R, Echeverría GA, Piro OE, Jios JL, Parajón-Costa BS. A structural, spectroscopic and theoretical study of an o-vanillin Schiff base derivative involved in enol-imine and keto-amine tautomerism. NEW J CHEM 2016. [DOI: 10.1039/c5nj01039j] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The potassium salt of the Schiff base derived from o-vanillin and taurine is involved in enol-imine (I) and keto-amine (II) tautomerism. Both tautomeric forms coexist in the crystal and they are stabilized by strong O–H⋯N and O⋯H–N intramolecular hydrogen bonds.
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Affiliation(s)
| | - Gustavo A. Echeverría
- Departamento de Física
- FCE (UNLP) and IFLP (CONICET, CCT-La Plata)
- CC 67
- La Plata
- Argentina
| | - Oscar E. Piro
- Departamento de Física
- FCE (UNLP) and IFLP (CONICET, CCT-La Plata)
- CC 67
- La Plata
- Argentina
| | - Jorge L. Jios
- Unidad PLAPIMU-LASEISIC (UNLP-CIC)
- Departamento de Química
- FCE (UNLP)
- La Plata
- Argentina
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44
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Rezaeian K, Khanmohammadi H, Arab V. Rational design of a novel azoimine appended maleonitrile-based Salen chemosensor for rapid naked-eye detection of copper(II) ion in aqueous media. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 151:848-853. [PMID: 26184468 DOI: 10.1016/j.saa.2015.06.127] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Revised: 06/22/2015] [Accepted: 06/23/2015] [Indexed: 06/04/2023]
Abstract
Achieving specific selectivity and high sensitivity for the colorimetric recognition of copper(II) ions in aqueous media over a complex background of potentially competing metal ions is inherently challenging in sensor development. Thus, a novel azo-azomethine receptor (L) based on the combination of 2-amino-3-(5-bromo-2-hydroxybenzylamino)maleonitrile and azo-coupled salicylaldehyde scaffold has been designed and synthesized for the naked-eye and rapid detection of Cu(2+) ion at trace level in a wide pH range. Accordingly, the devised chemosensor distinguished Cu(2+) from other metal ions by distinct color change from light yellow to light brown without any expensive equipment. The binding stoichiometry between Cu(2+) and L has been investigated using Job's plot and MALDI-TOF mass analysis. Remarkably, the current sensor can detect Cu(2+) ions even at 1.07 μM level, which is lower than the World Health Organization (WHO) permissible level (30 μM) in drinking water. Furthermore, sensor L was successfully utilized in the preparation of test strips for the detection of copper(II) ions from aqueous environment.
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Affiliation(s)
- Khatereh Rezaeian
- Department of Chemistry, Faculty of Science, Arak University, Arak 38156-8-8349, Iran
| | - Hamid Khanmohammadi
- Department of Chemistry, Faculty of Science, Arak University, Arak 38156-8-8349, Iran.
| | - Vajihe Arab
- Department of Chemistry, Faculty of Science, Arak University, Arak 38156-8-8349, Iran
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Nica S, Rudolph M, Lippold I, Buchholz A, Görls H, Plass W. Vanadium(V) complex with Schiff-base ligand containing a flexible amino side chain: Synthesis, structure and reactivity. J Inorg Biochem 2015; 147:193-203. [DOI: 10.1016/j.jinorgbio.2015.02.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 02/16/2015] [Accepted: 02/16/2015] [Indexed: 10/24/2022]
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Halevas E, Tsave O, Yavropoulou M, Hatzidimitriou A, Yovos J, Psycharis V, Gabriel C, Salifoglou A. Design, synthesis and characterization of novel binary V(V)-Schiff base materials linked with insulin-mimetic vanadium-induced differentiation of 3T3-L1 fibroblasts to adipocytes. Structure–function correlations at the molecular level. J Inorg Biochem 2015; 147:99-115. [DOI: 10.1016/j.jinorgbio.2015.03.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 03/14/2015] [Accepted: 03/16/2015] [Indexed: 11/30/2022]
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47
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Thirty years through vanadium chemistry. J Inorg Biochem 2015; 147:4-24. [PMID: 25843361 DOI: 10.1016/j.jinorgbio.2015.03.004] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 03/12/2015] [Accepted: 03/13/2015] [Indexed: 11/23/2022]
Abstract
The relevance of vanadium in biological systems is known for many years and vanadium-based catalysts have important industrial applications, however, till the beginning of the 80s research on vanadium chemistry and biochemistry did not receive much attention from the scientific community. The understanding of the broad bioinorganic implications resulting from the similarities between phosphate and vanadate(V) and the discovery of vanadium dependent enzymes gave rise to an enormous increase in interest in the chemistry and biological relevance of vanadium. Thereupon the last 30years corresponded to a period of enormous research effort in these fields, as well as in medicinal applications of vanadium and in the development of catalysts for use in fine-chemical synthesis, some of these inspired by enzymatic active sites. Since the 80s my group in collaboration with others made contributions, described throughout this text, namely in the understanding of the speciation of vanadium compounds in aqueous solution and in biological fluids, and to the transport of vanadium compounds in blood plasma and their uptake by cells. Several new types of vanadium compounds were also synthesized and characterized, with applications either as prospective therapeutic drugs or as homogeneous or heterogenized catalysts for the production of fine chemicals. The developments made are described also considering the international context of the evolution of the knowledge in the chemistry and bioinorganic chemistry of vanadium compounds during the last 30years. This article was compiled based on the Vanadis Award presentation at the 9th International Vanadium Symposium.
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Mukherjee T, Pessoa JC, Kumar A, Sarkar AR. Formation of an unusual pyridoxal derivative: Characterization of Cu(II), Ni(II) and Zn(II) complexes and evaluation of binding to DNA and to human serum albumin. Inorganica Chim Acta 2015. [DOI: 10.1016/j.ica.2014.11.033] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Dayan S, Ozpozan NK, Özdemir N, Dayan O. Synthesis of some ruthenium(II)–Schiff base complexes bearing sulfonamide fragment: New catalysts for transfer hydrogenation of ketones. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.08.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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50
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Moroz OV, Trush VA, Sliva TY, Konovalova IS, Amirkhanov VM. Crystal structure of {μ-6,6'-dimeth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methanylyl-idene)]diphenolato}(meth-anol)(nitrato)nickel(II)sodium. Acta Crystallogr Sect E Struct Rep Online 2014; 70:305-8. [PMID: 25484729 PMCID: PMC4257329 DOI: 10.1107/s160053681402159x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Accepted: 09/30/2014] [Indexed: 11/19/2022]
Abstract
Two phenolate O atoms provided by a Schiff base ligand create a double bridge between Ni2+ and Na+ ions. The coordination environment of the Ni2+ ion is square-planar and it has an unusual seven-coordinated geometry: four atoms from the Schiff base ligand, two from a nitrate anion, which coordinates in a bidentate chelating mode, and one O atom from the coordinated methanol molecule. C—H⋯O weak hydrogen-bond interactions result in the formation of chains along the b-axis direction which are further assembled by bifurcated O—H⋯O hydrogen bonds and π-stacking interactions. In the molecular structure of the title compound, [NaNi(C18H18N2O4)(NO3)(CH3OH)], the Ni2+ ion has a slightly distorted square-planar coordination environment defined by two N and two O atoms which belong to a Schiff base ligand, viz. 6,6′-dimethoxy-2,2′-[ethane-1,2-diylbis(nitrilomethanylylidene)]diphenolate. Seven O atoms form the coordination environment of the Na+ ion: four from the Schiff base ligand, two from a bidentate chelating nitrate anion and one O atom from a coordinating methanol molecule. In the crystal, the bimetallic complexes are assembled into chains along the b-axis direction via weak C—H⋯O hydrogen-bond interactions. Neighbouring chains are in turn connected through bifurcated O—H⋯O hydrogen bonds that involve the coordinating methanol molecules and the nitrate anions, and through π–π stacking interactions between phenyl rings of neighbouring molecules.
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Affiliation(s)
- Olesia V Moroz
- Taras Shevchenko National University of Kyiv, Department of Chemistry, 64/13 Volodymyrska Street, Kyiv 01601, Ukraine
| | - Viktor A Trush
- Taras Shevchenko National University of Kyiv, Department of Chemistry, 64/13 Volodymyrska Street, Kyiv 01601, Ukraine
| | - Tatiana Yu Sliva
- Taras Shevchenko National University of Kyiv, Department of Chemistry, 64/13 Volodymyrska Street, Kyiv 01601, Ukraine
| | - Irina S Konovalova
- STC "Institute for Single Crystals", National Academy of Science of Ukraine, 60 Lenina Avenue, Kharkiv 61001, Ukraine
| | - Vladimir M Amirkhanov
- Taras Shevchenko National University of Kyiv, Department of Chemistry, 64/13 Volodymyrska Street, Kyiv 01601, Ukraine
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