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Rabelo R, Toma L, Moliner N, Julve M, Lloret F, Inclán M, García-España E, Pasán J, Ruiz-García R, Cano J. pH-Switching of the luminescent, redox, and magnetic properties in a spin crossover cobalt(ii) molecular nanomagnet. Chem Sci 2023; 14:8850-8859. [PMID: 37621442 PMCID: PMC10445472 DOI: 10.1039/d3sc02777e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/25/2023] [Indexed: 08/26/2023] Open
Abstract
The ability of mononuclear first-row transition metal complexes as dynamic molecular systems to perform selective functions under the control of an external stimulus that appropriately tunes their properties may greatly impact several domains of molecular nanoscience and nanotechnology. This study focuses on two mononuclear octahedral cobalt(ii) complexes of formula {[CoII(HL)2][CoII(HL)L]}(ClO4)3·9H2O (1) and [CoIIL2]·5H2O (2) [HL = 4'-(4-carboxyphenyl)-2,2':6',2''-terpyridine], isolated as a mixed protonated/hemiprotonated cationic salt or a deprotonated neutral species. This pair of pH isomers constitutes a remarkable example of a dynamic molecular system exhibiting reversible changes in luminescence, redox, and magnetic (spin crossover and spin dynamics) properties as a result of ligand deprotonation, either in solution or solid state. In this last case, the thermal-assisted spin transition coexists with the field-induced magnetisation blockage of "faster" or "slower" relaxing low-spin CoII ions in 1 or 2, respectively. In addition, pH-reversible control of the acid-base equilibrium among dicationic protonated, cationic hemiprotonated, and neutral deprotonated forms in solution enhances luminescence in the UV region. Besides, the reversibility of the one-electron oxidation of the paramagnetic low-spin CoII into the diamagnetic low-spin CoIII ion is partially lost and completely restored by pH decreasing and increasing. The fine-tuning of the optical, redox, and magnetic properties in this novel class of pH-responsive, spin crossover molecular nanomagnets offers fascinating possibilities for advanced multifunctional and multiresponsive magnetic devices for molecular spintronics and quantum computing such as pH-effect spin quantum transformers.
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Affiliation(s)
- Renato Rabelo
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
- Instituto de Química, Universidade Federal de Goiás 74690-900 Goiânia Brazil
| | - Luminita Toma
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
| | - Nicolás Moliner
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
| | - Miguel Julve
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
| | - Francesc Lloret
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
| | - Mario Inclán
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
- Escuela Superior de Ingeniería, Ciencia y Tecnología, Universidad Internacional de Valencia - VIU Valencia Spain
| | - Enrique García-España
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
| | - Jorge Pasán
- Departamento de Química, Facultad de Ciencias, Laboratorio de Materiales para Análisis Químico (MAT4LL), Universidad de La Laguna 38200 Tenerife Spain
| | - Rafael Ruiz-García
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
| | - Joan Cano
- Instituto de Ciencia Molecular (ICMol), Universitat de València 46980 Paterna (València) Spain
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Lin HY, Wang YT, Shi X, Yang HB, Xu L. Switchable metallacycles and metallacages. Chem Soc Rev 2023; 52:1129-1154. [PMID: 36722920 DOI: 10.1039/d2cs00779g] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Two-dimensional metallacycles and three-dimensional metallacages constructed by coordination-driven self-assembly have attracted much attention because they exhibit unique structures and properties and are highly efficient to synthesize. Introduction of switching into supramolecular chemistry systems is a popular strategy, as switching can endow systems with reversible features that are triggered by different stimuli. Through this strategy, novel switchable metallacycles and metallacages were generated, which can be reversibly switched into different stable states with distinct characteristics by external stimuli. Switchable metallacycles and metallacages exhibit versatile structures and reversible properties and are inherently dynamic and respond to artificial signals; thus, these structures have many promising applications in a wide range of fields, such as drug delivery, data processing, pollutant removal, switchable catalysis, smart functional materials, etc. This review focuses on the design of switchable metallacycles and metallacages, their switching behaviours and mechanisms triggered by external stimuli, and the corresponding structural changes and resultant properties and functions.
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Affiliation(s)
- Hong-Yu Lin
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, P. R. China.
| | - Yu-Te Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, P. R. China.
| | - Xueliang Shi
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, P. R. China.
| | - Hai-Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, P. R. China. .,Wuhu Hospital Affiliated to East China Normal University (The Second People's Hospital of Wuhu), Wuhu 241001, P. R. China
| | - Lin Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Shanghai Frontiers Science Center of Molecule Intelligent Syntheses, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, P. R. China. .,Wuhu Hospital Affiliated to East China Normal University (The Second People's Hospital of Wuhu), Wuhu 241001, P. R. China
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Parreiras J, Faria EN, Oliveira WXC, Pinheiro CB, do Pim WD, da Silva Júnior EN, Pedroso EF, Julve M, Pereira CLM. X-ray structure and magnetic properties of a mononuclear complex and a 1D coordination polymer assembled by cobalt(II) ions and a flexible oxamate ligand. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2135436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Julia Parreiras
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Erica N. Faria
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Willian X. C. Oliveira
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Carlos B. Pinheiro
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Walace D. do Pim
- Departamento de Química, Centro Federal de Educação Tecnológica de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Eufrânio N. da Silva Júnior
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Emerson F. Pedroso
- Departamento de Química, Centro Federal de Educação Tecnológica de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Miguel Julve
- Instituto de Ciencia Molecular/Departament de Química Inorgànica, Universitat de València, Paterna, València, Spain
| | - Cynthia L. M. Pereira
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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4
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do Pim WD, Silva IF, da Silva Júnior EN, Stumpf HO, Oliveira WXC, Pedroso EF, Pinheiro CB, Journaux Y, Fantuzzi F, Krummenacher I, Braunschweig H, Engels B, Cano J, Julve M, Pereira CLM. Unexpected formation of a dodecanuclear {CoII6CuII6} nanowheel under ambient conditions: magneto-structural correlations. Dalton Trans 2021; 50:12430-12434. [PMID: 34545875 DOI: 10.1039/d1dt02268g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the unique heterobimetallic dodecanuclear oxamate-based {CoII6CuII6} nanowheel obtained using an environmentally friendly synthetic protocol. The effective Hamiltonian methodology employed herein allows the rationalisation of magnetic isotropic or anisotropic metal clusters, being a significant advance for future studies of exciting properties only observed at low and ultralow temperatures.
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Affiliation(s)
- Walace D do Pim
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil. .,Departamento de Química, Centro Federal de Educação Tecnológica de Minas Gerais, Av. Amazonas, 5253, Belo Horizonte, MG, 30421-169, Brazil
| | - Ingrid F Silva
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
| | - Eufrânio N da Silva Júnior
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
| | - Humberto O Stumpf
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
| | - Willian X C Oliveira
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
| | - Emerson F Pedroso
- Departamento de Química, Centro Federal de Educação Tecnológica de Minas Gerais, Av. Amazonas, 5253, Belo Horizonte, MG, 30421-169, Brazil
| | - Carlos B Pinheiro
- Departamento de Física, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Yves Journaux
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75252, Paris, France
| | - Felipe Fantuzzi
- Institut für Physikalische und Theoretische Chemie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-Straße 42, 97074 Würzburg, Germany.,Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Ivo Krummenacher
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Holger Braunschweig
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.,Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Bernd Engels
- Institut für Physikalische und Theoretische Chemie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-Straße 42, 97074 Würzburg, Germany
| | - Joan Cano
- Instituto de Ciencia Molecular/Departament de Química Inorgànica, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Miguel Julve
- Instituto de Ciencia Molecular/Departament de Química Inorgànica, Universitat de València, C/Catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Cynthia L M Pereira
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
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5
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de Campos NR, Simosono CA, Landre Rosa IM, da Silva RMR, Doriguetto AC, do Pim WD, Gomes Simões TR, Valdo AKSM, Martins FT, Sarmiento CV, Nunes WC, Guedes GP, Pedroso EF, Pereira CLM, Stumpf HO, Lloret F, Julve M, Marinho MV. Building-up host-guest helicate motifs and chains: a magneto-structural study of new field-induced cobalt-based single-ion magnets. Dalton Trans 2021; 50:10707-10728. [PMID: 34308946 DOI: 10.1039/d1dt01693h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, we present the synthetic pathway, a refined structural description, complete solid-state characterization and the magnetic properties of four new cobalt(ii) compounds of formulas [Co(H2O)6][Co2(H2mpba)3]·2H2O·0.5dmso (1), [Co(H2O)6][Co2(H2mpba)3]·3H2O·0.5dpss (2), [Co2(H2mpba)2(H2O)4]n·4nH2O (3), and [Co2(H2mpba)2(CH3OH)2(H2O)2]n·0.5nH2O·2ndpss (4) [dpss = 2,2'-dipyridyldisulfide and H4mpba = 1,3-phenylenebis(oxamic) acid], where 2 and 4 were obtained from [Co(dpss)Cl2] (Pre-I) as the source of cobalt(ii). All four compounds are air-stable and were prepared under ambient conditions. 1 and 2 were obtained from a slow diffusion method [cobalt(ii) : H2mpba2- molar ratio used 1 : 1] and their structures are made up of [Co2(H2mpba)3]2- anionic helicate units and [Co(H2O)6]2+ cations, exhibiting supramolecular three-dimensional structures. Interestingly, a supramolecular honeycomb network between the helicate units interacting with each other through R22(10) type hydrogen bonds occurs in 2 hosting one co-crystallized dpss molecule. On the other hand, for the first time, linear (3) and zigzag (4) cobalt(ii) chains were isolated by slow evaporation of stirred solutions of mixed solvents with cobalt(ii) : H2mpba2- in 1 : 2 molar ratio at room temperature. Magnetic measurements of Pre-I revealed a quasi magnetically isolated S = 3/2 spin state with a significant second-order spin-orbit contribution as expected for tetrahedrally coordinated cobalt(ii) ions. The analysis of the variable temperature static (dc) magnetic susceptibility data through first- (1 and 3) and second-order spin-orbit coupling models (2 and 4) reveals the presence of magnetically non-interacting high-spin cobalt(ii) ions with easy-axis (1 and 4)/easy-plane magnetic anisotropies (2 and 4) with low rhombic distortions. Dynamic (ac) magnetic measurements for Pre-I and 1-4 below 8.0 K show that they are examples of field-induced Single-Ion Magnets (SIMs).
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Affiliation(s)
- Nathália R de Campos
- Instituto de Química, Universidade Federal de Alfenas, Campus Santa Clara, Alfenas, MG 37133-840, Brazil.
| | - Cintia A Simosono
- Instituto de Química, Universidade Federal de Alfenas, Campus Santa Clara, Alfenas, MG 37133-840, Brazil.
| | - Iara M Landre Rosa
- Instituto de Química, Universidade Federal de Alfenas, Campus Santa Clara, Alfenas, MG 37133-840, Brazil.
| | - Rafaela M R da Silva
- Instituto de Química, Universidade Federal de Alfenas, Campus Santa Clara, Alfenas, MG 37133-840, Brazil.
| | - Antônio C Doriguetto
- Instituto de Química, Universidade Federal de Alfenas, Campus Santa Clara, Alfenas, MG 37133-840, Brazil.
| | - Walace D do Pim
- Departamento de Química, Centro Federal de Educação Tecnológica de Minas Gerais, Belo Horizonte, MG 30421-169, Brazil
| | | | - Ana Karoline S M Valdo
- Instituto de Física, Universidade Federal de Goiás, Campus Samambaia, Goiânia, GO 74690-900, Brazil
| | - Felipe T Martins
- Instituto de Física, Universidade Federal de Goiás, Campus Samambaia, Goiânia, GO 74690-900, Brazil
| | - Charlie V Sarmiento
- Instituto de Física, Universidade Federal Fluminense, Niterói, Rio de Janeiro, RJ 24210-346, Brazil
| | - Wallace C Nunes
- Instituto de Física, Universidade Federal Fluminense, Niterói, Rio de Janeiro, RJ 24210-346, Brazil
| | - Guilherme P Guedes
- Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, 24020-141, Brazil
| | - Emerson F Pedroso
- Departamento de Química, Centro Federal de Educação Tecnológica de Minas Gerais, Belo Horizonte, MG 30421-169, Brazil
| | - Cynthia L M Pereira
- Departamento de Química-ICEx, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901, Brazil
| | - Humberto O Stumpf
- Departamento de Química-ICEx, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901, Brazil
| | - Francesc Lloret
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol), Universitat de València, C/catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol), Universitat de València, C/catedrático José Beltrán 2, 46980 Paterna, València, Spain.
| | - Maria Vanda Marinho
- Instituto de Química, Universidade Federal de Alfenas, Campus Santa Clara, Alfenas, MG 37133-840, Brazil.
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When Molecular Magnetism Meets Supramolecular Chemistry: Multifunctional and Multiresponsive Dicopper(II) Metallacyclophanes as Proof-of-Concept for Single-Molecule Spintronics and Quantum Computing Technologies? MAGNETOCHEMISTRY 2020. [DOI: 10.3390/magnetochemistry6040069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Molecular magnetism has made a long journey, from the fundamental studies on through-ligand electron exchange magnetic interactions in dinuclear metal complexes with extended organic bridges to the more recent exploration of their electron spin transport and quantum coherence properties. Such a field has witnessed a renaissance of dinuclear metallacyclic systems as new experimental and theoretical models for single-molecule spintronics and quantum computing, due to the intercrossing between molecular magnetism and metallosupramolecular chemistry. The present review reports a state-of-the-art overview as well as future perspectives on the use of oxamato-based dicopper(II) metallacyclophanes as promising candidates to make multifunctional and multiresponsive, single-molecule magnetic (nano)devices for the physical implementation of quantum information processing (QIP). They incorporate molecular magnetic couplers, transformers, and wires, controlling and facilitating the spin communication, as well as molecular magnetic rectifiers, transistors, and switches, exhibiting a bistable (ON/OFF) spin behavior under external stimuli (chemical, electronic, or photonic). Special focus is placed on the extensive research work done by Professor Francesc Lloret, an outstanding chemist, excellent teacher, best friend, and colleague, in recognition of his invaluable contributions to molecular magnetism on the occasion of his 65th birthday.
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Simões TRG, do Pim WD, Metz KC, Ribeiro MA, Valente DCA, Cardozo TM, Pinheiro CB, Pedroso EF, Horta BAC, Pereira CLM, de Souza GP, Stumpf HO. Dinuclear copper(ii) complexes containing oxamate and blocking ligands: crystal structure, magnetic properties, and DFT calculations. NEW J CHEM 2020. [DOI: 10.1039/c9nj05584c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dicopper(ii) complexes were prepared as promising platforms for the design of polynuclear systems providing an avenue toward new molecule-based materials.
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8
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Vaz RCA, Esteves IO, Oliveira WXC, Honorato J, Martins FT, Marques LF, dos Santos GL, Freire RO, Jesus LT, Pedroso EF, Nunes WC, Julve M, Pereira CLM. Mononuclear lanthanide(iii)-oxamate complexes as new photoluminescent field-induced single-molecule magnets: solid-state photophysical and magnetic properties. Dalton Trans 2020; 49:16106-16124. [DOI: 10.1039/d0dt02497j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lanthanide(iii)-oxamate complexes can switch into Light Conversion Molecular Devices (LCMDs) or field-induced Single-Molecule Magnets (SMMs) depending on the external stimulus.
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9
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da Cunha TT, Barbosa VM, Oliveira WX, Pinheiro CB, Pedroso EF, Nunes WC, Pereira CL. Slow magnetic relaxation in mononuclear gadolinium(III) and dysprosium(III) oxamato complexes. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.04.056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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10
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da Cunha TT, Silva IF, do Pim WD, Binatti I, do Nascimento GM, Stumpf HO, Santana GC, Oliveira LCA, Pereira CLM. Multifunctional Nb–Cu nanostructured materials as potential adsorbents and oxidation catalysts for real wastewater decontamination. NEW J CHEM 2019. [DOI: 10.1039/c9nj01427f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hybrid oxidation catalysts and adsorbent materials containing niobium(v)–copper(ii) for the decontamination of real wastewater containing organic pollutants are reported herein.
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Affiliation(s)
- Tamyris T. da Cunha
- Departamento de Química
- ICEx
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | - Ingrid F. Silva
- Departamento de Química
- ICEx
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | - Walace D. do Pim
- Departamento de Química
- Centro Federal de Educação Tecnológica de Minas Gerais
- Belo Horizonte
- Brazil
| | - Ildefonso Binatti
- Departamento de Química
- Centro Federal de Educação Tecnológica de Minas Gerais
- Belo Horizonte
- Brazil
| | | | - Humberto O. Stumpf
- Departamento de Química
- ICEx
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | - Gilcinéa C. Santana
- Escola de Veterinária
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
| | - Luiz C. A. Oliveira
- Departamento de Química
- ICEx
- Universidade Federal de Minas Gerais
- Belo Horizonte
- Brazil
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11
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Heterobimetallic One-Dimensional Coordination Polymers MICuII (M = Li and K) Based on Ferromagnetically Coupled Di- and Tetracopper(II) Metallacyclophanes. MAGNETOCHEMISTRY 2018. [DOI: 10.3390/magnetochemistry4030038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The synthesis, crystal structure and magnetic properties of the coordination polymers of formula [EDAP{Li6(H2O)8[(Cu2(μ-mpba)2)2(H2O)2]}]n (1) and [(EDAP)2{K(H2O)4[Cu2(μ-mpba)2(H2O)2]}Cl·2H2O]n (2), in which mpba = N,N′-1,3-phenylenebis(oxamate) and EDAP2+ = 1,1′-ethylenebis(4-aminopyridinium) are described. Both compounds have in common the presence of the [Cu2(mpba)2]4− tetraanionic unit which is a [3,3] metallacyclophane motif in which the copper(II) ions are five-coordinate in a distorted square pyramidal surrounding. The complex anion in 1 is dimerized through double out-of-plane copper to outer carboxylate-oxygen atoms resulting in the centrosymmetric tetracopper(II) fragment [Cu4(μ-mpba)4(H2O)2]8− which act as a ligand toward six hydrated lithium(I) cations leading to anionic ladder-like double chains whose charge is neutralized by the EDAP2+ cations. In the case of 2, each dicopper(II) entity acts as a ligand towards tetraquapotassium(I) units to afford anionic zig zag single chains of formula {K(H2O)4[Cu2(μ-mpba)2(H2O)2]}n3n− plus EDAP2+ cations and non-coordinate chloride anions. Cryomagnetic measurements on polycrystalline samples 1 and 2 show the occurrence of ferromagnetic interactions between the copper(II) ions across the –Namidate–(C–C–C)phenyl–Namidate– exchange pathway [J = +10.6 (1) and +8.22 cm−1 (2)] and antiferromagnetic ones through the double out-of-plane carboxylate-oxygen atoms [j = −0.68 cm−1 (1), the spin Hamiltonian being defined as H = − J ( S C u 1 · S C u 2 + S C u 2 i · S C u 1 i ) − j ( S C u 2 · S C u 2 i ) ].
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12
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Reis NV, Barros WP, Oliveira WXC, Pereira CLM, Rocha WR, Pinheiro CB, Lloret F, Julve M, Stumpf HO. Crystal Structure and Magnetic Properties of an Oxamato-Bridged Heterobimetallic Tetranuclear [NiII
CuII
]2
Complex of the Rack Type. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700821] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Natalia V. Reis
- Departamento de Química; Universidade Federal de Minas Gerais; Av. Antônio Carlos 6627 31270-901 Pampulha BH, MG Brazil
| | - Wdeson P. Barros
- Departamento de Química; Universidade Federal de Minas Gerais; Av. Antônio Carlos 6627 31270-901 Pampulha BH, MG Brazil
- Instituto de Química; Universidade Estadual de Campinas; Caixa Postal 6154 13083-970 Campinas SP Brazil
| | - Willian X. C. Oliveira
- Departamento de Química; Universidade Federal de Minas Gerais; Av. Antônio Carlos 6627 31270-901 Pampulha BH, MG Brazil
| | - Cynthia L. M. Pereira
- Departamento de Química; Universidade Federal de Minas Gerais; Av. Antônio Carlos 6627 31270-901 Pampulha BH, MG Brazil
| | - Willian R. Rocha
- Departamento de Química; Universidade Federal de Minas Gerais; Av. Antônio Carlos 6627 31270-901 Pampulha BH, MG Brazil
| | - Carlos B. Pinheiro
- Departamento de Física; Universidade Federal de Minas Gerais; Av. Antônio Carlos 6627 31270-901 Pampulha BH, MG Brazil
| | - Francesc Lloret
- Departament de Química Inorgânica; Instituto de Ciencia Molecular (ICMol); Universitat de Valencia; C / Catedrático José Beltrán 2 46980 Paterna, Valencia Spain
| | - Miguel Julve
- Departament de Química Inorgânica; Instituto de Ciencia Molecular (ICMol); Universitat de Valencia; C / Catedrático José Beltrán 2 46980 Paterna, Valencia Spain
| | - Humberto O. Stumpf
- Departamento de Química; Universidade Federal de Minas Gerais; Av. Antônio Carlos 6627 31270-901 Pampulha BH, MG Brazil
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13
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Molecular magnetism, quo vadis? A historical perspective from a coordination chemist viewpoint☆. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.03.004] [Citation(s) in RCA: 240] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Conte-Daban A, Borghesani V, Sayen S, Guillon E, Journaux Y, Gontard G, Lisnard L, Hureau C. Link between Affinity and Cu(II) Binding Sites to Amyloid-β Peptides Evaluated by a New Water-Soluble UV-Visible Ratiometric Dye with a Moderate Cu(II) Affinity. Anal Chem 2017; 89:2155-2162. [PMID: 28208266 PMCID: PMC5714188 DOI: 10.1021/acs.analchem.6b04979] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Being able to easily determine the Cu(II) affinity for biomolecules of moderate affinity is important. Such biomolecules include amyloidogenic peptides, such as the well-known amyloid-β peptide involved in Alzheimer's disease. Here, we report the synthesis of a new water-soluble ratiometric Cu(II) dye with a moderate affinity (109 M-1 at pH 7.1) and the characterizations of the Cu(II) corresponding complex by X-ray crystallography, EPR, and XAS spectroscopic methods. UV-vis competition was performed on the Aβ peptide as well as on a wide series of modified peptides, leading to an affinity value of 1.6 × 109 M-1 at pH 7.1 for the Aβ peptide and to a coordination model for the Cu(II) site within the Aβ peptide that agrees with the one mostly accepted currently.
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Affiliation(s)
- Amandine Conte-Daban
- CNRS; LCC (Laboratoire de Chimie de Coordination) ; 205, route de Narbonne, F-31077 Toulouse, France. Université de Toulouse; UPS, INPT ; LCC ; F-31077 Toulouse, France
| | - Valentina Borghesani
- CNRS; LCC (Laboratoire de Chimie de Coordination) ; 205, route de Narbonne, F-31077 Toulouse, France. Université de Toulouse; UPS, INPT ; LCC ; F-31077 Toulouse, France
| | - Stéphanie Sayen
- Université de Reims Champagne Ardenne, Institut de Chimie Moléculaire de Reims (ICMR), UMR 7312 CNRS-URCA, Moulin de la Housse, BP 1039, 51687 Reims Cedex 2, France
| | - Emmanuel Guillon
- Université de Reims Champagne Ardenne, Institut de Chimie Moléculaire de Reims (ICMR), UMR 7312 CNRS-URCA, Moulin de la Housse, BP 1039, 51687 Reims Cedex 2, France
| | - Yves Journaux
- Sorbonne Universités, UPMC Univ. Paris 06, UMR 8232, IPCM, F-75005, Paris, France
- CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire, F-75005, Paris, France
| | - Geoffrey Gontard
- Sorbonne Universités, UPMC Univ. Paris 06, UMR 8232, IPCM, F-75005, Paris, France
- CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire, F-75005, Paris, France
| | - Laurent Lisnard
- Sorbonne Universités, UPMC Univ. Paris 06, UMR 8232, IPCM, F-75005, Paris, France
- CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire, F-75005, Paris, France
| | - Christelle Hureau
- CNRS; LCC (Laboratoire de Chimie de Coordination) ; 205, route de Narbonne, F-31077 Toulouse, France. Université de Toulouse; UPS, INPT ; LCC ; F-31077 Toulouse, France
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15
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Endo H, Suzaki Y, Komura M, Osakada K. Bi- and Multilayered Assembly of Amphiphilic Pd(II) and Pt(II) Complexes with N-Alkyl-4,4′-bipyridinium Ligands. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2016. [DOI: 10.1246/bcsj.20160131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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16
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Castro I, Barros WP, Calatayud ML, Lloret F, Marino N, De Munno G, Stumpf HO, Ruiz-García R, Julve M. Dicopper(II) pyrazolenophanes: Ligand effects on their structures and magnetic properties. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.02.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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17
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Rühlig K, Mothes R, Aliabadi A, Kataev V, Büchner B, Buschbeck R, Rüffer T, Lang H. CuII bis(oxamato) end-grafted poly(amidoamine) dendrimers. Dalton Trans 2016; 45:7960-79. [DOI: 10.1039/c5dt03416g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
“Magneto-dendrimers” comprising up to ten endgrafted {Cu3(3,4-bopb)(pmdta)2}2− complex fragments have been synthesized to determine their magnetic properties.
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Affiliation(s)
- Karoline Rühlig
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Inorganic Chemistry
- 09107 Chemnitz
| | - Robert Mothes
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Inorganic Chemistry
- 09107 Chemnitz
| | - Azar Aliabadi
- Leibniz Institute for Solid State and Materials Research IFW Dresden
- 01069 Dresden
- Germany
| | - Vladislav Kataev
- Leibniz Institute for Solid State and Materials Research IFW Dresden
- 01069 Dresden
- Germany
| | - Bernd Büchner
- Leibniz Institute for Solid State and Materials Research IFW Dresden
- 01069 Dresden
- Germany
| | - Roy Buschbeck
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Inorganic Chemistry
- 09107 Chemnitz
| | - Tobias Rüffer
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Inorganic Chemistry
- 09107 Chemnitz
| | - Heinrich Lang
- Technische Universität Chemnitz
- Faculty of Natural Sciences
- Institute of Chemistry
- Inorganic Chemistry
- 09107 Chemnitz
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18
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Barros WP, Luisa Calatayud M, Lloret F, Julve M, Marino N, De Munno G, Stumpf HO, Ruiz-García R, Castro I. Self-assembly, binding ability and magnetic properties of dicopper(ii) pyrazolenophanes. CrystEngComm 2016. [DOI: 10.1039/c5ce02058a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The nature of the blocking α-diimine ligand controls of the molecular folding and binding ability of the resulting “butterfly-shaped”, antiferromagnetically coupled dicopper(ii) pyrazolenophanes in the solid state.
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Affiliation(s)
- Wdeson P. Barros
- Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- València, Spain
- Instituto de Química
- Universidade Estadual de Campinas
| | - M. Luisa Calatayud
- Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- València, Spain
| | - Francesc Lloret
- Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- València, Spain
| | - Miguel Julve
- Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- València, Spain
| | - Nadia Marino
- Dipartimento di Chimica e Tecnologie Chimiche (CTC)
- Università della Calabria
- Cosenza, Italy
- Department of Chemistry
- Syracuse University
| | - Giovanni De Munno
- Dipartimento di Chimica e Tecnologie Chimiche (CTC)
- Università della Calabria
- Cosenza, Italy
| | - Humberto O. Stumpf
- Departamento de Química – ICEx
- Universidade Federal de Minas Gerais
- Belo Horizonte, Brazil
| | - Rafael Ruiz-García
- Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- València, Spain
- Fundació General de la Universitat de València (FGUV)
- Valencia, Spain
| | - Isabel Castro
- Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- València, Spain
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19
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Castellano M, Ruiz-García R, Cano J, Ferrando-Soria J, Pardo E, Fortea-Pérez FR, Stiriba SE, Barros WP, Stumpf HO, Cañadillas-Delgado L, Pasán J, Ruiz-Pérez C, de Munno G, Armentano D, Journaux Y, Lloret F, Julve M. Metallosupramolecular approach toward multifunctional magnetic devices for molecular spintronics. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.05.013] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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20
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do Pim WD, de Faria ÉN, Oliveira WXC, Pinheiro CB, Nunes WC, Cano J, Lloret F, Julve M, Stumpf HO, Pereira CLM. A heterobimetallic [MnII5CuII5] nanowheel modulated by a flexible bis-oxamate type ligand. Dalton Trans 2015; 44:10939-42. [DOI: 10.1039/c5dt00996k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The reaction of the dicopper(ii) metallacyclophane [Cu2(edpba)2]2− with fully solvated manganese(ii) ions yields the nanowheel [Mn5Cu5(edpba)5] with a S = 10 low-lying spin state.
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Affiliation(s)
- Walace D. do Pim
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- BH
- Brazil
| | - Érica N. de Faria
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- BH
- Brazil
| | - Willian X. C. Oliveira
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- BH
- Brazil
| | - Carlos B. Pinheiro
- Departamento de Física
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- BH
- Brazil
| | | | - Joan Cano
- Instituto de Ciencia Molecular (ICMol)
- C/Catedrático José Beltrán
- 46980 Paterna
- Spain
- Fundació General de la Universitat de València (FGUV)
| | - Francesc Lloret
- Instituto de Ciencia Molecular (ICMol)
- C/Catedrático José Beltrán
- 46980 Paterna
- Spain
| | - Miguel Julve
- Instituto de Ciencia Molecular (ICMol)
- C/Catedrático José Beltrán
- 46980 Paterna
- Spain
| | - Humberto O. Stumpf
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- BH
- Brazil
| | - Cynthia L. M. Pereira
- Departamento de Química
- Instituto de Ciências Exatas
- Universidade Federal de Minas Gerais
- BH
- Brazil
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21
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Fortea-Pérez FR, Armentano D, Julve M, De Munno G, Stiriba SE. Bis(oxamato)palladate(II) complexes: synthesis, crystal structure and application to catalytic Suzuki reaction. J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.975697] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
| | - Donatella Armentano
- CAL, Departimento di Chimica i Tecnologie Chimiche, Università della Calabria, Cosenza, Italy
| | - Miguel Julve
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Valencia, Spain
| | - Giovanni De Munno
- CAL, Departimento di Chimica i Tecnologie Chimiche, Università della Calabria, Cosenza, Italy
| | - Salah-Eddine Stiriba
- Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, Valencia, Spain
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22
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Oliveira T, Kalinke L, Mascarenhas E, Castro R, Martins F, Sabino J, Stumpf H, Ferrando J, Julve M, Lloret F, Cangussu D. Cobalt(II) and copper(II) assembling through a functionalized oxamate-type ligand. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.05.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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23
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Barros WP, da Silva BC, Reis NV, Pereira CLM, Doriguetto AC, Cano J, Pirota KR, Pedroso EF, Julve M, Stumpf HO. Discrete trinuclear copper(ii) compounds as building blocks: the influence of the peripheral substituents on the magnetic coupling in oxamato-bridged complexes. Dalton Trans 2014; 43:14586-95. [DOI: 10.1039/c4dt01180e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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24
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Palladium(II) and platinum(II) oxamate complexes as potential anticancer agents: Structural characterization and cytotoxic activity. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.03.049] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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25
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Fortea-Pérez FR, Marino N, Armentano D, De Munno G, Julve M, Stiriba SE. Solid-state cis–trans isomerism in bis(oxamato)palladate(ii) complexes: synthesis, structural studies and catalytic activity. CrystEngComm 2014. [DOI: 10.1039/c4ce00669k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Grancha T, Ferrando-Soria J, Castellano M, Julve M, Pasán J, Armentano D, Pardo E. Oxamato-based coordination polymers: recent advances in multifunctional magnetic materials. Chem Commun (Camb) 2014; 50:7569-85. [DOI: 10.1039/c4cc01734j] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The design and synthesis of novel examples of multifunctional magnetic materials based on the so-called coordination polymers (CPs) have become very attractive for chemists and physicists due to their potential applications in nanoscience and nanotechnology.
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Affiliation(s)
- Thais Grancha
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- 46980 Paterna, Spain
| | - Jesús Ferrando-Soria
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- 46980 Paterna, Spain
| | - María Castellano
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- 46980 Paterna, Spain
| | - Miguel Julve
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- 46980 Paterna, Spain
| | - Jorge Pasán
- Laboratorio de Rayos X y Materiales Moleculares
- Departamento de Física Fundamental II
- Universidad de La Laguna
- E–38201 Tenerife, Spain
| | - Donatella Armentano
- Dipartimento di Chimica e Tecnologie Chimiche
- Università della Calabria
- Cosenza, Italy
| | - Emilio Pardo
- Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol)
- Universitat de València
- 46980 Paterna, Spain
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