1
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Mandal U, Rizzoli C, Chakraborty B, Bandyopadhyay D, Mandal S. A novel one-dimensional thiocyanate-bridged cobalt(III) complex: synthesis, crystal structure characterization and Hirshfeld surface analysis. Acta Crystallogr C Struct Chem 2024; 80:394-400. [PMID: 38984911 DOI: 10.1107/s2053229624006375] [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: 04/08/2024] [Accepted: 06/29/2024] [Indexed: 07/11/2024] Open
Abstract
A new one-dimensional thiocyanate-bridged cobalt(III) Schiff base complex, namely, catena-poly[[[4-bromo-2-((Z)-{[2-(thiophen-2-yl)ethyl]imino}methyl)phenolato-κ2N,O]cobalt(III)]-μ-thiocyanato-κ2N:S], [Co(SCN)(C13H11BrNOS)2]n or [Co(μ1,3-SCN)L2]n (1), where HL is 4-bromo-2-((Z)-{[2-(thiophene-2-yl)ethyl]imino}methyl)phenol, a bidentate Schiff base prepared from the condensation reaction of 5-bromosalicylaldehyde and 2-(thiophen-2-yl)ethylamine, has been synthesized by stirring Co(ClO4)2·6H2O, the Schiff base HL and ammonium thiocyanate (in a 1:2:1 molar ratio) in ethanol medium. The complex was characterized by FT-IR, electronic spectra and single-crystal X-ray diffraction (SC-XRD) studies. The SC-XRD data suggest that the compound crystallizes in the orthorhombic space group Pca21. The CoIII ion in 1 adopts a distorted octahedral geometry, the metal sites being six-coordinated by one thiocyanate N atom and one thiocyanate S atom in apical positions, and by two imine N atoms and two phenolate O atoms from two anionic L- ligands which form the basal plane. The thiocyanate ligand acts as a μ-1,3 bridge, joining neighbouring CoIII atoms and forming a uniform zigzag one-dimensional polymeric chain. The crystallographic data were also used in the Hirshfeld surface (HS) analysis, which aimed to investigate the nature and quantitative significance of any noncovalent intermolecular interactions inside the crystal lattice. The crystal void parameters have also been computed and show the molecules to be tightly packed.
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Affiliation(s)
- Uttam Mandal
- Department of Physics, Bankura Sammilani College, Bankura, West Bengal, India
| | - Corrado Rizzoli
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
| | - Bikash Chakraborty
- Department of Physics, Bankura Christian College, Bankura, West Bengal, India
| | | | - Santanu Mandal
- Department of Chemistry, Bankura Christian College, Bankura, West Bengal, India
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2
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Sykuła A, Nowak A, Garribba E, Dzeikala A, Rowińska-Żyrek M, Czerwińska J, Maniukiewicz W, Łodyga-Chruścińska E. Spectroscopic Characterization and Biological Activity of Hesperetin Schiff Bases and Their Cu(II) Complexes. Int J Mol Sci 2023; 24:ijms24010761. [PMID: 36614204 PMCID: PMC9821237 DOI: 10.3390/ijms24010761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/19/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
The three Schiff base ligands, derivatives of hesperetin, HHSB (N-[2,3-dihydro-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-ylidene]isonicotinohydrazide), HIN (N-[2,3-dihydro-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-ylidene]benzhydrazide) and HTSC (N-[2,3-dihydro-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-ylidene]thiosemicarbazide) and their copper complexes, CuHHSB, CuHIN, and CuHTSC were designed, synthesized and analyzed in terms of their spectral characterization and the genotoxic activity. Their structures were established using several methods: elemental analysis, FT-IR, UV-Vis, EPR, and ESI-MS. Spectral data showed that in the acetate complexes the tested Schiff bases act as neutral tridentate ligand coordinating to the copper ion through two oxygen (or oxygen and sulphur) donor atoms and a nitrogen donor atom. EPR measurements indicate that in solution the complexes keep their structures with the ligands remaining bound to copper(II) in a tridentate fashion with (O-, N, Oket) or (O-, N, S) donor set. The genotoxic activity of the compounds was tested against model tumour (HeLa and Caco-2) and normal (LLC-PK1) cell lines. In HeLa cells the genotoxicity for all tested compounds was noticed, for HHSB and CuHHSB was the highest, for HTSC and CuHTSC-the lowest. Generally, Cu complexes displayed lower genotoxicity to HeLa cells than ligands. In the case of Caco-2 cell line HHSB and HTSC induced the strongest breaks to DNA. On the other side, CuHHSB and CuHTSC induced the highest DNA damage against LLC-PK1.
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Affiliation(s)
- Anna Sykuła
- Faculty of Biotechnology and Food Sciences, Institute of Natural Products and Cosmetics, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | - Adriana Nowak
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wólczańska 171/173, 90-530 Lodz, Poland
| | - Eugenio Garribba
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Viale San Pietro, I-07100 Sassari, Italy
| | - Aliaksandr Dzeikala
- Faculty of Biotechnology and Food Sciences, Institute of Natural Products and Cosmetics, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
| | | | - Justyna Czerwińska
- Department of Occupational Safety Engineering, Faculty of Process and Environmental Engineering, Lodz University of Technology, Wólczańska 213, 90-924 Lodz, Poland
| | - Waldemar Maniukiewicz
- Faculty of Chemistry, Institute of General and Ecological Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924 Lodz, Poland
| | - Elżbieta Łodyga-Chruścińska
- Faculty of Biotechnology and Food Sciences, Institute of Natural Products and Cosmetics, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland
- Correspondence:
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3
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Böhme M, Rams M, Krebs C, Mangelsen S, Jess I, Plass W, Näther C. Co(NCS) 2 Chain Compound with Alternating 5- and 6-Fold Coordination: Influence of Metal Coordination on the Magnetic Properties. Inorg Chem 2022; 61:16841-16855. [PMID: 36218356 DOI: 10.1021/acs.inorgchem.2c02813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reaction of Co(NCS)2 with 3-bromopyridine leads to the formation of discrete complexes [Co(NCS)2(3-bromopyridine)4] (1), [Co(NCS)2(3-bromopyridine)2(H2O)2] (2), and [Co(NCS)2(3-bromopyridine)2(MeOH)2] (3) depending on the solvent. Thermogravimetric measurements on 2 and 3 show a transformation into [Co(NCS)2(3-bromopyridine)2]n (4), which upon further heating is converted to [{Co(NCS)2}2(3-bromopyridine)3]n (5), whereas 1 transforms directly into 5 upon heating. Compound 5 can also be obtained from solution, which is not possible for 4. In 4 and 5, the cobalt(II) cations are linked by pairs of μ-1,3-bridging thiocyanate anions into chains. In compound 4, all cobalt(II) cations are octahedrally coordinated (OC-6), as is usually observed in such compounds, whereas in 5, a previously unkown alternating 5- and 6-fold coordination is observed, leading to vacant octahedral (vOC-5) and octahedral (OC-6) environments, respectively. In contrast to 4, the chains in 5 are very efficiently packed and linked by π···π stacking of the pyridine rings and interchain Co···Br interactions, which is the basis for the formation of this unusual chain. The spin chains in 4 demonstrate ferromagnetic intrachain exchange and much weaker interchain interactions, as is usually observed for such linear chain compounds. In contrast, compound 5 shows almost single-ion-like magnetic susceptibility, but the magnetic ordering temperature deduced from specific heat measurements is twice as high as that in 4, which might originate from π···π stacking and Co···Br interactions between neighboring chains. More importantly, unlike all linear Co(NCS)2 chain compounds, a dominant antiferromagnetic exchange is observed for 5, which is explained by density functional theory calculations predicting an alternating ferro- and aniferromagnetic exchange within the chains. Theoretical calculations on the two different cobalt(II) ions present in 5 predict an easy-axis anisotropy that is much stronger for the octahedral cobalt(II) ion than for the one with the vacant octahedral coordination, with the magnetic axes of the two ions being canted by an angle of 84°. This almost orthogonal orientation of the easy axis of magnetization for the two cobalt(II) ions is the rationale for the observed non-Ising behavior of 5.
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Affiliation(s)
- Michael Böhme
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstraße 8, Jena 07743, Germany
| | - Michał Rams
- Institute of Physics, Jagiellonian University, Łojasiewicza 11, Kraków 30348, Poland
| | - Christoph Krebs
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, Kiel 24118, Germany
| | - Sebastian Mangelsen
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, Kiel 24118, Germany
| | - Inke Jess
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, Kiel 24118, Germany
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstraße 8, Jena 07743, Germany
| | - Christian Näther
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, Kiel 24118, Germany
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4
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Kanchana P, Aruna Devi N, Prabha Devi B, Shanmuga Sundari S, Hemapriya V, Chung IM, Prabakaran M. New transition metal(II) complexes with naphthoate and aminoguanidine-based ligands: a combined spectroscopic and theoretical study with its applications. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2130275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
Affiliation(s)
- Ponnusamy Kanchana
- Department of Chemistry, PSGR Krishnammal College for Women, Coimbatore, Tamil Nadu, India
| | - Natarajan Aruna Devi
- Department of Chemistry, PSGR Krishnammal College for Women, Coimbatore, Tamil Nadu, India
| | | | | | - Venkatesan Hemapriya
- Department of Chemistry, PSGR Krishnammal College for Women, Coimbatore, Tamil Nadu, India
| | - Ill-Min Chung
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul, South Korea
| | - Mayakrishnan Prabakaran
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul, South Korea
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5
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A cobalt redox switch driving alcohol dehydrogenation by redox coupled molecular swing. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.06.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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6
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Krebs C, Jess I, Ceglarska M, Rams M, Näther C. Synthesis, crystal structure and magnetic properties of coordination compounds of Mn(NCS) 2 with the 3-bromopyridine ligand. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2022. [DOI: 10.1515/znb-2022-0055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Reactions of Mn(NCS)2 with 3-bromopyridine in acetonitrile lead to the formation of Mn(NCS)2(3-bromopyridine)4 (1) and Mn(NCS)2(3-bromopyridine)2(MeCN)2 (2) that were characterized by single crystal X-ray diffraction. Compounds 1 and 2 consist of discrete complexes, in which the Mn(II) cations are octahedrally coordinated by two trans-N-bonding thiocyanate anions and four pyridine (1) or two pyridine and two acetonitrile ligands (2). Thermoanalytical measurements on 1 and 2 have shown that upon heating half of the 3-bromopyridine co-ligands from 1 or both acetonitrile ligands from 2 are removed leading to a crystalline phase with the composition [Mn(NCS)2(3-bromopyridine)2]
n
(3-II). From dry n-butanol a phase with the same composition was obtained (3-I) that corresponds to a polymorphic or isomeric form of 3-II. Crystal structure analysis of 3-I shows that in this form the Mn cations are linked by pairs of anionic ligands into linear chains. The results of magnetic measurements on 3-I show antiferromagnetic interactions along the chains and the analysis of the magnetic susceptibility using the Fisher model for chains gave a J value of −5.76(5) K.
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Affiliation(s)
- Christoph Krebs
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel , Max-Eyth-Straße 2 , 24118 Kiel , Germany
| | - Inke Jess
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel , Max-Eyth-Straße 2 , 24118 Kiel , Germany
| | - Magdalena Ceglarska
- Institute of Physics, Jagiellonian University , Łojasiewicza 11 , 30-348 Kraków , Poland
| | - Michał Rams
- Institute of Physics, Jagiellonian University , Łojasiewicza 11 , 30-348 Kraków , Poland
| | - Christian Näther
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel , Max-Eyth-Straße 2 , 24118 Kiel , Germany
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7
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Krebs C, Thiele S, Ceglarska M, Näther C. Synthesis, Crystal Structures and Properties of Ni(NCS)
2
‐3‐Cyanopyridine Coordination Compounds including a Ferromagnetic Layered Compound. Z Anorg Allg Chem 2021. [DOI: 10.1002/zaac.202100204] [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)
- Christoph Krebs
- Institute of Inorganic Chemistry Christian-Albrechts-University of Kiel Max-Eyth-Straße 2 24118 Kiel Germany
| | - Solveig Thiele
- Institute of Inorganic Chemistry Christian-Albrechts-University of Kiel Max-Eyth-Straße 2 24118 Kiel Germany
| | - Magdalena Ceglarska
- Institute of Physics Jagiellonian University Łojasiewicza 11 30-348 Kraków Poland
| | - Christian Näther
- Institute of Inorganic Chemistry Christian-Albrechts-University of Kiel Max-Eyth-Straße 2 24118 Kiel Germany
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8
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Mangalam NA, Kurup MP, Suresh E, Kaya S, Serdaroğlu G. Diversities in the chelation of aroylhydrazones towards cobalt(II) salts: Synthesis, spectral characterization, crystal structure and some theoretical studies. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.129978] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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9
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Arjmand F, Salami‐Kalajahi M, Roghani‐Mamaqani H. Fabrication of acid‐labile poly(2‐hydroxyethyl methacrylate) nanoparticles using aldazine‐based crosslinker as
pH
‐sensitive drug nanocarriers. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Fereshteh Arjmand
- Faculty of Polymer Engineering Sahand University of Technology Tabriz Iran
- Institute of Polymeric Materials Sahand University of Technology Tabriz Iran
| | - Mehdi Salami‐Kalajahi
- Faculty of Polymer Engineering Sahand University of Technology Tabriz Iran
- Institute of Polymeric Materials Sahand University of Technology Tabriz Iran
| | - Hossein Roghani‐Mamaqani
- Faculty of Polymer Engineering Sahand University of Technology Tabriz Iran
- Institute of Polymeric Materials Sahand University of Technology Tabriz Iran
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10
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Krebs C, Ceglarska M, Näther C. Synthesis, Crystal Structures and Properties of Polymorphic and Isomeric Nickel(II)thiocyanate Coordination Compounds with 3‐Bromopyridine as Coligand. Z Anorg Allg Chem 2021. [DOI: 10.1002/zaac.202000483] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Christoph Krebs
- Institute of Inorganic Chemistry Christian-Albrechts-University of Kiel Max-Eyth-Straße 2 24118 Kiel Germany
| | - Magdalena Ceglarska
- Institute of Physics Jagiellonian University Łojasiewicza 11 30-348 Kraków Poland
| | - Christian Näther
- Institute of Inorganic Chemistry Christian-Albrechts-University of Kiel Max-Eyth-Straße 2 24118 Kiel Germany
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11
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Jochim A, Rams M, Böhme M, Ceglarska M, Plass W, Näther C. Thermodynamically metastable chain and stable layered Co(NCS) 2 coordination polymers: thermodynamic relations and magnetic properties. Dalton Trans 2020; 49:15310-15322. [PMID: 33118568 DOI: 10.1039/d0dt03227a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Reaction of Co(NCS)2 with 4-bromopyridine leads to the formation of discrete complexes with the composition Co(NCS)2(4-bromopyridine)4·(CH3CN)0.67 (1), Co(NCS)2(4-bromopyridine)2(H2O)2 (2), Co(NCS)2(4-bromopyridine)2(CH3OH)2 (3) and Co(NCS)2(4-bromopyridine)2(CH3CN)2 (4). Upon heating compounds 2 and 4 transform into a crystalline product with the composition Co(NCS)2(4-bromopyridine)2 (5-I) that also can easily be obtained from solution. In this compound, the Co cations are linked by single μ-1,3-bridging thiocyanate anions into layers. Thermal decomposition of 3 leads to a second isomer (5-II), which is thermodynamically metastable and can also be synthesized from solution under kinetic control. In contrast to 5-I, the Co cations are linked by pairs of anionic ligands into linear chains. The magnetic exchange is very weak in 5-I, but much stronger and ferromagnetic along the linear chains in 5-II. AF ordering in 5-II is reached at 3.05 K, and magnetic relaxation is observed at the metamagnetic transition with an Arrhenius barrier of 17.1(3) cm-1. Ab initio computational studies reveal a different type of magnetic anisotropy to be present in the two crystallographically - independent Co centers in 5-II.
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Affiliation(s)
- Aleksej Jochim
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, 24118 Kiel, Germany.
| | - Michał Rams
- Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348 Krakow, Poland
| | - Michael Böhme
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstr. 8, 07743 Jena, Germany
| | - Magdalena Ceglarska
- Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348 Krakow, Poland
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstr. 8, 07743 Jena, Germany
| | - Christian Näther
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, 24118 Kiel, Germany.
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12
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Yang J, Liu XR, Yu MK, Yang WB, Yang ZW, Zhao SS. Co and Cu complexes with 2-acetylpyridine-4-hydroxy phenylacetyl acylhydrazone: Synthesis, crystal structures, CT-DNA/BSA binding behaviors, antibacterial activities and molecular docking studies. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114619] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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13
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Jochim A, Lohmiller T, Rams M, Böhme M, Ceglarska M, Schnegg A, Plass W, Näther C. Influence of the Coligand onto the Magnetic Anisotropy and the Magnetic Behavior of One-Dimensional Coordination Polymers. Inorg Chem 2020; 59:8971-8982. [PMID: 32551545 DOI: 10.1021/acs.inorgchem.0c00815] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Reaction of Co(NCS)2 with different coligands leads to the formation of three compounds with the general composition [Co(NCS)2(L)2]n (L = aniline (1), morpholine (2), and ethylenethiourea (3)). In all of these compounds the cobalt(II) cations are octahedrally coordinated by two trans thiocyanate N and S atoms and the apical donor atoms of the coligands and are linked into linear chains by pairs of anionic ligands. The magnetic behavior was investigated by a combination of static and dynamic susceptibility as well as specific-heat measurements, computational studies, and THz-EPR spectroscopy. All compounds show antiferromagnetic ordering as observed for similar compounds with pyridine derivatives as coligands. In contrast to the latter, for 1-3 significantly higher critical temperatures and no magnetic single-chain relaxations are observed, which can be traced back to stronger interchain interactions and a drastic change in the magnetic anisotropy of the metal centers. These results are discussed and compared with those of the pyridine-based compounds, which provides important insights into the parameters that govern the magnetic behavior of such one-dimensional coordination polymers.
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Affiliation(s)
- Aleksej Jochim
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, 24118 Kiel, Germany
| | - Thomas Lohmiller
- EPR4Energy Joint Lab, Department Spins in Energy Conversion and Quantum Information Science, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Kekuléstrasse 5, 12489 Berlin, Germany
| | - Michał Rams
- Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30348 Kraków, Poland
| | - Michael Böhme
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstrasse 8, 07743 Jena, Germany
| | - Magdalena Ceglarska
- Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30348 Kraków, Poland
| | - Alexander Schnegg
- EPR4Energy Joint Lab, Department Spins in Energy Conversion and Quantum Information Science, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Kekuléstrasse 5, 12489 Berlin, Germany.,EPR Research Group, MPI for Chemical Energy Conversion, Stiftstrasse 34-36, 45470 Mülheim an der Ruhr, Germany
| | - Winfried Plass
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, Humboldtstrasse 8, 07743 Jena, Germany
| | - Christian Näther
- Institut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Straße 2, 24118 Kiel, Germany
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14
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Suman SG, Gretarsdottir JM, Penwell PE, Gunnarsson JP, Frostason S, Jonsdottir S, Damodaran KK, Hirschon A. Reaction Chemistry of the syn-[Mo 2O 2(μ-S) 2(S 2)(DMF) 3] Complex with Cyanide and Catalytic Thiocyanate Formation. Inorg Chem 2020; 59:7644-7656. [PMID: 32401019 DOI: 10.1021/acs.inorgchem.0c00608] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Removal of cyanide as nontoxic thiocyanate under physiological conditions may serve as a catalytic detoxification route in vivo. Aqueous catalytic reaction conditions were explored where at the conditions employed the reaction proceeded to exhaustion in 1 h. The complex, syn-[Mo2O2(μ-S)2(S2)(DMF)3] 1, participates in a ligand exchange reaction of the dimethylformamide ligands and cyanide. Simultaneous sulfur abstraction reaction from the terminal disulfide group forms thiocyanate and terminal sulfido ligand. Respective reaction rates for the two reactions appear competitive where different products were isolated solely based on change of reaction temperature. The approach to determine the number of cyanide ligands participating in the ligand exchange reaction by varying the stoichiometry and reaction temperature led to identification and isolation of tetranuclear complexes 2 and 5 and dinuclear complexes 3, 4, and 6. A synthesized and fully characterized thiocyanate analog of 6 (7) supports spectroscopic characterization of 6. The tetranuclear anion, [Mo4O4(μ-S)6(CN)4]4-, 2, was crystallized from a reaction at ambient temperature. The dinuclear anion, [Mo2O2(μ-S)2(S)(CN)3]3-, 3, was crystallized from similar reaction conditions at lower temperature. The reaction yield of thiocyanate obtained at pH of 7.4 and at 9.2 as a function of time, for several ratios of cyanide, favors the sulfur abstraction reaction at elevated pH. The sulfur abstraction reaction is the first step in a proposed mechanism of the reaction of cyanide and thiosulfate to form thiocyanate and sulfite by 1.
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Affiliation(s)
- Sigridur G Suman
- Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavik, Iceland.,Chemical Science and Technology Laboratory, Physical Sciences Division, SRI International, 333 Ravenswood Avenue, Menlo Park, California 94025, United States
| | | | - Paul E Penwell
- Chemical Science and Technology Laboratory, Physical Sciences Division, SRI International, 333 Ravenswood Avenue, Menlo Park, California 94025, United States
| | - Jon P Gunnarsson
- Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavik, Iceland
| | - Sindri Frostason
- Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavik, Iceland
| | | | | | - Albert Hirschon
- Chemical Science and Technology Laboratory, Physical Sciences Division, SRI International, 333 Ravenswood Avenue, Menlo Park, California 94025, United States
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15
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Wellm C, Majcher-Fitas AM, Rams M, Näther C. Impact of the synthetic approach on the magnetic properties and homogeneity of mixed crystals of tunable layered ferromagnetic coordination polymers. Dalton Trans 2020; 49:16707-16714. [DOI: 10.1039/d0dt03428b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Different synthetic routes were applied to synthesize mixed crystals of [CoxNi1−x(NCS)2(4-tert-butylpyridine)2]n that finally results in homogeneous samples for which the critical temperature can be tuned as function of the Co : Ni ratio.
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Affiliation(s)
- Carsten Wellm
- Institut für Anorganische Chemie
- Christian-Albrechts-Universität zu Kiel
- 24118 Kiel
- Germany
| | | | - Michał Rams
- Institute of Physics
- Jagiellonian University
- 30-348 Krakow
- Poland
| | - Christian Näther
- Institut für Anorganische Chemie
- Christian-Albrechts-Universität zu Kiel
- 24118 Kiel
- Germany
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16
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5,5′-Dibenzoimidazole as building block for a new 3D Co(II) coordination polymer: A combined EPR and DFT study using UB3LYP model. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Selvam P, Sathiyakumar S, Srinivasan K, Premkumar T. A Copper(II) complex of a new hydrazone: A solid-state single source precursor for the preparation of both Cu and CuO nanoparticles. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.09.082] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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18
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Sadhukhan D, Maiti M, Bauzá A, Frontera A, Garribba E, Gomez-García CJ. Synthesis, structure, physicochemical characterization and theoretical evaluation of non-covalent interaction energy of a polymeric copper(II)-hydrazone complex. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2018.09.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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19
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Das K, Beyene BB, Datta A, Garribba E, Roma-Rodrigues C, Silva A, Fernandes AR, Hung CH. EPR and electrochemical interpretation of bispyrazolylacetate anchored Ni(ii) and Mn(ii) complexes: cytotoxicity and anti-proliferative activity towards human cancer cell lines. NEW J CHEM 2018. [DOI: 10.1039/c8nj01033a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The cytotoxicity and antiproliferative activity are carried out along with EPR and redox interpretation.
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Affiliation(s)
- Kuheli Das
- Institute of Chemistry
- Academia Sinica
- Nankang
- Taipei – 115
- Taiwan
| | | | - Amitabha Datta
- Institute of Chemistry
- Academia Sinica
- Nankang
- Taipei – 115
- Taiwan
| | - Eugenio Garribba
- Dipartimento di Chimica e Farmacia
- Università di Sassari
- I-07100 Sassari
- Italy
| | | | - Ana Silva
- UCIBIO
- DCV
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
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20
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Datta A, Das K, Beyene BB, Garribba E, Gajewska MJ, Hung CH. EPR interpretation and electrocatalytic H2 evolution study of bis(3,5-di-methylpyrazol-1-yl)acetate anchored Cu(II) and Mn(II) complexes. MOLECULAR CATALYSIS 2017. [DOI: 10.1016/j.mcat.2017.06.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Zhao SS, Wang P, Wang LN, Fu L, Han XM, Qin J, Qian SS. Synthesis, structural studies, and antibacterial activity of zinc, copper, and silver complexes derived from N′-(1-(pyrazin-2-yl)ethylidene)isonicotinohydrazide. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1281915] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Shan-Shan Zhao
- School of Life Science, Shandong University of Technology, Zibo, People’s Republic of China
| | - Peng Wang
- School of Life Science, Shandong University of Technology, Zibo, People’s Republic of China
| | - Li-Na Wang
- School of Life Science, Shandong University of Technology, Zibo, People’s Republic of China
| | - Lin Fu
- School of Life Science, Shandong University of Technology, Zibo, People’s Republic of China
| | - Xiao-Meng Han
- School of Life Science, Shandong University of Technology, Zibo, People’s Republic of China
| | - Jie Qin
- School of Life Science, Shandong University of Technology, Zibo, People’s Republic of China
| | - Shao-Song Qian
- School of Life Science, Shandong University of Technology, Zibo, People’s Republic of China
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22
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Huang TH, Yang H, Yang G, Zhu SL, Zhang CL. Synthesis, structural characterization and photoluminescent properties of copper(I) coordination polymers with extended C–H⋯π and CN⋯π interactions. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.10.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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23
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Sadhu MH, Mathoniere C, Patil YP, Kumar SB. Binuclear copper(II) complexes with N3S-coordinate tripodal ligand and mixed azide-carboxylate bridges: Synthesis, crystal structures and magnetic properties. Polyhedron 2017. [DOI: 10.1016/j.poly.2016.11.036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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24
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Prosser KE, Walsby CJ. Electron Paramagnetic Resonance as a Tool for Studying the Mechanisms of Paramagnetic Anticancer Metallodrugs. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201601142] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Kathleen E. Prosser
- Department of Chemistry; Simon Fraser University; 8888 University Dr. V5A 1S6 Burnaby BC Canada
| | - Charles J. Walsby
- Department of Chemistry; Simon Fraser University; 8888 University Dr. V5A 1S6 Burnaby BC Canada
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25
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Evaluation of DNA binding, DNA cleavage, protein binding, radical scavenging and in vitro cytotoxic activities of ruthenium(II) complexes containing 2,4-dihydroxy benzylidene ligands. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 69:1297-306. [DOI: 10.1016/j.msec.2016.08.043] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 07/29/2016] [Accepted: 08/17/2016] [Indexed: 12/18/2022]
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26
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Mohanraj M, Ayyannan G, Raja G, Jayabalakrishnan C. Synthesis, characterization, DNA binding, DNA cleavage, antioxidant and in vitro cytotoxicity studies of ruthenium(II) complexes containing hydrazone ligands. J COORD CHEM 2016. [DOI: 10.1080/00958972.2016.1235700] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Maruthachalam Mohanraj
- Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, India
| | - Ganesan Ayyannan
- Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, India
| | - Gunasekaran Raja
- Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, India
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27
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Yang T, Niu F, Li LX, Xia ZN, Zhang Y, You ZL. Synthesis, characterization, crystal structures, and antimicrobial activity of cobalt(II) and iron(III) complexes derived from N'-(2-hydroxybenzylidene)-3-methylbenzohydrazide. RUSS J COORD CHEM+ 2016. [DOI: 10.1134/s1070328416050109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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28
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Synthesis, characterization, cytotoxicity and antiangiogenic activity of copper(II) complexes with 1-adamantoyl hydrazone bearing pyridine rings. Eur J Med Chem 2016; 115:75-81. [DOI: 10.1016/j.ejmech.2016.03.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 02/29/2016] [Accepted: 03/02/2016] [Indexed: 01/05/2023]
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29
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Ren QL, Zhao SS, Song LX, Qian SS, Qin J. Synthesis, characterization, and biological evaluation of silver(I) complexes of N′-(1-(pyrazin-2-yl)ethylidene)picolinohydrazide. J COORD CHEM 2015. [DOI: 10.1080/00958972.2015.1110240] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Qing-Ling Ren
- School of Life Sciences, Shandong University of Technology, Zibo, People’s Republic of China
| | - Shan-Shan Zhao
- School of Life Sciences, Shandong University of Technology, Zibo, People’s Republic of China
| | - Lin-Xia Song
- School of Life Sciences, Shandong University of Technology, Zibo, People’s Republic of China
| | - Shao-Song Qian
- School of Life Sciences, Shandong University of Technology, Zibo, People’s Republic of China
| | - Jie Qin
- School of Life Sciences, Shandong University of Technology, Zibo, People’s Republic of China
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30
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Li W, Han X, Ding Y. Synthesis, crystal structure, and preliminary antibacterial activity of oxovanadium(V) complex with hydrazone ligand. RUSS J COORD CHEM+ 2015. [DOI: 10.1134/s1070328415070040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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31
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Leovac VM, Rodić MV, Jovanović LS, Joksović MD, Stanojković T, Vujčić M, Sladić D, Marković V, Vojinović-Ješić LS. Transition Metal Complexes with 1-Adamantoyl Hydrazones - Cytotoxic Copper(II) Complexes of Tri- and Tetradentate Pyridine Chelators Containing an Adamantane Ring System. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201403050] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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32
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Qian SS, Ye YT, Huo Y, You Z, Zhu H. Syntheses, characterization, and structures of vanadium(V) complexes with similar tridentate hydrazone and bidentate benzohydroxamate ligands. RUSS J COORD CHEM+ 2015. [DOI: 10.1134/s107032841501008x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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33
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Vojinović-Ješić LS, Radanović MM, Rodić MV, Jovanović LS, Češljević VI, Joksović MD. Syntheses, structures and spectral characterization of copper(II) and dioxidovanadium(V) complexes with salicylidene-aminoguanidine. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.02.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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34
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Qian SS, You Z, Huo Y, Ye YT, Cheng XS, Zhu HL. Syntheses, characterization, and urease inhibition of oxidovanadium(V) complexes with tridentate hydrazone and bidentate benzohydroxamate ligands. J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.944176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Shao-Song Qian
- School of Life Sciences, Shandong University of Technology, Zibo, PR China
| | - Zhonglu You
- Department of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, PR China
| | - Yang Huo
- Department of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, PR China
| | - Yu-Ting Ye
- Department of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, PR China
| | - Xiao-Shan Cheng
- Department of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, PR China
| | - Hai-Liang Zhu
- School of Life Sciences, Shandong University of Technology, Zibo, PR China
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35
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Sheng GH, You Z, Zhu HL. Synthesis, crystal structure, and urease inhibition of [N′-(3,5-dibromo-2-hydroxybenzylidene)isonicotinohydrazido]-(benzohydroxamato)oxovanadium(V). RUSS J COORD CHEM+ 2014. [DOI: 10.1134/s1070328414070082] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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37
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Kalita M, Bhattacharjee T, Gogoi P, Barman P, Kalita RD, Sarma B, Karmakar S. Synthesis, characterization, crystal structure and bioactivities of a new potential tridentate (ONS) Schiff base ligand N-[2-(benzylthio) phenyl] salicylaldimine and its Ni(II), Cu(II) and Co(II) complexes. Polyhedron 2013. [DOI: 10.1016/j.poly.2013.04.062] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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38
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Das K, Sinha C, Datta A, Garribba E, Fondo M, Mautner FA, Fischer RC. An end-to-end dicyanamide-bridged 1-D polymer of Cu|| with a hydrazone ligand: EPR and variable temperature magnetic susceptibility. JOURNAL OF CHEMICAL RESEARCH 2012. [DOI: 10.3184/174751912x13526563016663] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The reaction of N‘-[1-(pyridine-2-yl)ethylidene]acetohydrazide (L) with Cu(ClO4)2·6H2O in the presence of sodium dicyanamide affords an end-to-end one-dimensional coordination polymer, [CuL(μ1,3-N(CN)2]·ClO4, whose X-ray structure shows that the Cu|| is bound by an N,N,O chelator and is bridged to two neighbouring metal centres by N(CN)2-, generating a 1-D coordination chain. The Cu|| atom adopts a distorted square pyramidal geometry. Variable temperature magnetic susceptibility measurements demonstrate weak antiferromagnetic interactions with J value −0.09 cm−1.
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Affiliation(s)
- Kuheli Das
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata – 700032, India
| | - Chittaranjan Sinha
- Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata – 700032, India
| | - Amitabha Datta
- Department of Chemistry, National Changhua University of Education, Changhua 50058, Taiwan
| | - Eugenio Garribba
- Dipartimento di Chimica and Centro Interdisciplinare per lo Sviluppo della Ricerca Biotecnologica e per lo Studio della Biodiversità della Sardegna, Università di Sassari, Via Vienna 2, I-07100 Sassari, Italy
| | - Matilde Fondo
- Departamento de Quimica Inorganica, Facultad de Química, Universidad de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
| | - Franz A. Mautner
- Institut fuer Physikalische und Theoretische Chemie, Technische Universitaet Graz, Stremayrgasse 9, A-8010 Graz, Austria
| | - Roland C. Fischer
- Institut fuer Anorganische Chemische, Technische Universitaet Graz, Stremayrgasse 9, A-8010 Graz, Austria
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