1
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Motornov V, Ackermann L. Well-Defined Highly-Coordinated Copper(III) Iodide and Pincer Tris(trifluoromethyl)copper Complexes. Chemistry 2024:e202401791. [PMID: 38976449 DOI: 10.1002/chem.202401791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 07/07/2024] [Accepted: 07/08/2024] [Indexed: 07/10/2024]
Abstract
Copper(III) iodide and bromide complexes representing a unique combination of highly-coordinated metal and soft polarizable anions were synthesized and fully characterized, including X-ray crystallography. Ligand substitution in well-defined highly-coordinated copper complex PyCu(CF3)3 with pincer ligands was achieved to give formally octahedral copper(III) complexes.
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Affiliation(s)
- Vladimir Motornov
- Wöhler-Research Institute for Sustainable Chemistry (WISCh), Georg-August-Universität, Tammannstrasse 2, Göttingen, 37077, Germany
| | - Lutz Ackermann
- Wöhler-Research Institute for Sustainable Chemistry (WISCh), Georg-August-Universität, Tammannstrasse 2, Göttingen, 37077, Germany
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2
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Thiosemicarbazonecopper/Halido Systems: Structure and DFT Analysis of the Magnetic Coupling. INORGANICS 2023. [DOI: 10.3390/inorganics11010031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Experimental magnetic studies performed on the [{CuLX}2] system (HL = pyridine-2-carbaldehyde thiosemicarbazone, X = Cl−, Br−, I−) point to the larger electronegativity in X, the lower magnitude of the antiferromagnetic interactions. In order to confirm this and other trends observed and to dip into them, computational studies on the [{CuLX}2] (X = Cl− (1), I− (2)) compounds are here reported. The chemical and structural comparisons have been extended to the compounds obtained in acid medium. In this regard, chlorido ligands yield the [Cu(HL)Cl2]∙H2O (3) complex, whose crystal structure shows that thiosemicarbazone links as a tridentate chelate ligand to square pyramidal Cu(II) ions. On the other hand, iodido ligands provoke the formation of the [{Cu(H2L)I2}2] (4) derivative, which contains pyridine-protonated cationic H2L+ as a S-donor monodentate ligand bonded to Cu(I) ions. Crystallographic, infrared and electron paramagnetic resonance spectroscopic results are discussed. Computational calculations predict a greater stability for the chlorido species, containing both the neutral (HL) and anionic (L−) ligand. The theoretical magnetic studies considering isolated dimeric entities reproduce the sign and magnitude of the antiferromagnetism in 1, but no good agreement is found for compound 2. The sensitivity to the basis set and the presence of interdimer magnetic interactions are debated.
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3
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Deng J, Peng C, Hou L, Wu Y, Liu W, Fang G, Jiang H, Qin S, Yang F, Huang G, Gou Y. Dithiocarbazate-copper complex loaded thermosensitive hydrogel for lung cancer therapy via tumor in situ sustained-release. Inorg Chem Front 2022. [DOI: 10.1039/d2qi01383e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The Pluronic F127 thermosensitive hydrogels containing copper complex 3 were constructed, which could delay A549 tumor xenograft growth effectively with lower systemic toxicity.
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Affiliation(s)
- JunGang Deng
- The Laboratory of Respiratory Disease, Guilin Medical University, Guilin 541001, Guangxi, China
| | - Chang Peng
- The Laboratory of Respiratory Disease, Guilin Medical University, Guilin 541001, Guangxi, China
- State Key Laboratory of Drug Research and, CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
| | - LiXia Hou
- The Laboratory of Respiratory Disease, Guilin Medical University, Guilin 541001, Guangxi, China
| | - YouRu Wu
- The Laboratory of Respiratory Disease, Guilin Medical University, Guilin 541001, Guangxi, China
| | - Wei Liu
- School of Pharmacy, Nantong University, Nantong 226019, Jiangsu, China
| | - GuiHua Fang
- School of Pharmacy, Nantong University, Nantong 226019, Jiangsu, China
| | - HaoWen Jiang
- University of Chinese Academy of Science, No. 19A Yuquan Road, Beijing, 100049, China
| | - ShanFu Qin
- Hechi University, Hechi 546300, Guangxi, China
| | - Feng Yang
- School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, Guangxi, China
| | - GuoJin Huang
- The Laboratory of Respiratory Disease, Guilin Medical University, Guilin 541001, Guangxi, China
| | - Yi Gou
- The Laboratory of Respiratory Disease, Guilin Medical University, Guilin 541001, Guangxi, China
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4
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Lobana TS, Kaushal M, Bala R, Garcia-Santos I, Jasinski JP. Copper(I) derivatives of 4-benzoylpyridine thiosemicarbazone and 3-formylpyridine-N-methylthiosemicarbazone with triphenylphosphine as a co-ligand. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2021.100298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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5
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Lobana TS, Kaushal M, Bhatia R, Bala R, Butcher RJ, Jasinksi JP. Crystal structures of 3/4-pyridyl-based thiosemicarbazones and related Cu and Ni coordination compounds. Acta Crystallogr C Struct Chem 2022; 78:30-35. [PMID: 34982047 DOI: 10.1107/s205322962101319x] [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: 10/07/2021] [Accepted: 12/11/2021] [Indexed: 11/11/2022] Open
Abstract
In this investigation, the crystal structures of the thio-ligands 3-formylpyridine 4-phenylthiosemicarbazone (C13H12N4S, 1) and 4-benzoylpyridine 4-ethylthiosemicarbazone (C15H16N4S, 2), and of two new coordination compounds, chlorido(3-formylpyridine 4-phenylthiosemicarbazone-κS)bis(triphenylphosphane-κP)copper(I) acetonitrile monosolvate, [CuCl(C13H12N4S)(C18H15P)2]·CH3CN, 3, and bis(3-formylpyridine 4-ethylthiosemicarbazonato-κ2N1,S)nickel(II), [Ni(C9H11N4S)2], 4, are reported. In complex 3, the thio-ligand coordinates in a neutral form to the Cu atom through its S-donor atom, and in complex 4, the anionic thio-ligand chelates to the Ni atom through N- and S-donor atoms. The geometry of complex 3 is distorted tetrahedral [bond angles 99.70 (5)-123.23 (5)°], with the P-Cu-P bond angle being the largest, while that of complex 4 is square planar, with trans-S-Ni-S and N-Ni-N bond angles of 180°.
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Affiliation(s)
| | - Mani Kaushal
- Department of Chemistry, Guru Nanak Dev University, Amritsar 143 005, India
| | - Robin Bhatia
- Department of Chemistry, Guru Nanak Dev University, Amritsar 143 005, India
| | - Ritu Bala
- Department of Chemistry, Guru Nanak Dev University, Amritsar 143 005, India
| | - Ray J Butcher
- Department of Chemistry, Howard University, 525 College Street NW, Washington, DC 20059, USA
| | - Jerry P Jasinksi
- Department of Chemistry, Keene State College, Keene, NH 03435, USA
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6
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Synthesis, X-ray structures and cytotoxic effects of a Cu(II)- and a Zn(II) thiosemicarbazones on human epidermoid carcinoma cell A431. J CHEM SCI 2021. [DOI: 10.1007/s12039-021-01906-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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7
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Aly AA, Bräse S, Weis P. Tridentate and bidentate copper complexes of [2.2]paracyclophanyl-substituted thiosemicarbazones, thiocarbazones, hydrazones and thioureas. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.10.036] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Kaushal M, Lobana TS, Nim L, Bala R, Arora DS, Garcia-Santos I, Duff CE, Jasinski JP. Synthesis of 2-acetylpyridine-N-substituted thiosemicarbazonates of copper(ii) with high antimicrobial activity against methicillin resistant S. aureus, K. pneumoniae 1 and C. albicans. NEW J CHEM 2019. [DOI: 10.1039/c9nj01459d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The basic interest in the present study pertains to developing metal based antimicrobial agents, as several microorganisms have built resistance to the conventional drugs.
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Affiliation(s)
- Mani Kaushal
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Tarlok S. Lobana
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Lovedeep Nim
- Department of Microbiology
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Ritu Bala
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Daljit S. Arora
- Department of Microbiology
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Isabel Garcia-Santos
- Departamento de Quimica Inorganica
- Facultad de Farmacia
- Universidad de Santiago
- 15782-Santiago
- Spain
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9
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Kaushal M, Lobana TS, Nim L, Kaur J, Bala R, Hundal G, Arora DS, Garcia-Santos I, Duff CE, Jasinski JP. Synthesis, structures, antimicrobial activity and biosafety evaluation of pyridine-2-formaldehyde-N-susbtituted-thiosemicarbazonates of copper(ii). NEW J CHEM 2018. [DOI: 10.1039/c8nj03619e] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Copper(ii) complexes with pyridine based thiosemicarbazones have shown high antimicrobial potential against different microbial strains, and were found to be biosafe with several complexes displaying high cell viability (90–98%).
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Affiliation(s)
- Mani Kaushal
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Tarlok S. Lobana
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Lovedeep Nim
- Department of Microbiology
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Jaskamal Kaur
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Ritu Bala
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Geeta Hundal
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Daljit S. Arora
- Department of Microbiology
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Isabel Garcia-Santos
- Departamento de Quimica Inorganica
- Facultad de Farmacia
- Universidad de Santiago
- 15782-Santiago
- Spain
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10
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Drzewiecka-Antonik A, Rejmak P, Klepka MT, Wolska A, Pietrzyk P, Stępień K, Sanna G, Struga M. Synthesis, structural studies and biological activity of novel Cu(II) complexes with thiourea derivatives of 4-azatricyclo[5.2.1.0 2,6 ]dec-8-ene-3,5-dione. J Inorg Biochem 2017; 176:8-16. [DOI: 10.1016/j.jinorgbio.2017.08.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 07/07/2017] [Accepted: 08/04/2017] [Indexed: 12/28/2022]
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11
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Wang YT, Fang Y, Zhao M, Li MX, Ji YM, Han QX. Cu(ii), Ga(iii) and In(iii) complexes of 2-acetylpyridine N(4)-phenylthiosemicarbazone: synthesis, spectral characterization and biological activities. MEDCHEMCOMM 2017; 8:2125-2132. [PMID: 30108730 PMCID: PMC6084159 DOI: 10.1039/c7md00415j] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Accepted: 10/07/2017] [Indexed: 11/21/2022]
Abstract
In this paper, synthesis and characterization of metal complexes [Cu2(L)3]ClO4 (1), [Ga(L)2]NO3·2H2O (2) and [In(L)2]NO3·H2O (3) (HL = 2-acetylpyridine N(4)-phenylthiosemicarbazone) was carried out, including elemental analysis, spectral analysis (IR, UV-vis, NMR), and X-ray crystallography. Complex 1 contains one S-bridged binuclear [Cu2(L)3]+ unit, where two Cu atoms display diverse coordination geometries: one being square planar geometry and the other octahedral geometry. Both 2 and 3 are mononuclear complexes, and the metal centers in 2 and 3 are chelated by two NNS tridentate ligands possessing a distorted octahedral geometry. Biological studies show that all the complexes possess a wide spectrum of modest to effective antibacterial activities and remarkable cytotoxicities against HepG2 cells, and 1, in particular, with an IC50 value of 0.19 ± 0.06 μM, is 113-fold and 28-fold more cytotoxic than HL and the antitumor drug mitoxantrone, respectively. In addition, 3 exhibits excellent photoluminescence properties. Upon the addition of 1 equiv of In3+ ions, a remarkable fluorescence intensity of HL and fluorescent color change (from transparent to light-green) could be observed with 365 nm light, indicating that this ligand may be used as a promising colorimetric and fluorescent probe for In3+ detection.
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Affiliation(s)
- Yu-Ting Wang
- Henan Key Laboratory of Polyoxometalates , Institute of Molecular and Crystal Engineering , College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China . ; ; ; Tel: +86 371 23881589
- College of Chemistry and Environment , Henan Institute of Finance and Banking , Zhengzhou 450046 , PR China
| | - Yan Fang
- Henan Key Laboratory of Polyoxometalates , Institute of Molecular and Crystal Engineering , College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China . ; ; ; Tel: +86 371 23881589
| | - Meng Zhao
- Henan Key Laboratory of Polyoxometalates , Institute of Molecular and Crystal Engineering , College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China . ; ; ; Tel: +86 371 23881589
| | - Ming-Xue Li
- Henan Key Laboratory of Polyoxometalates , Institute of Molecular and Crystal Engineering , College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China . ; ; ; Tel: +86 371 23881589
| | - Yu-Mei Ji
- Henan Key Laboratory of Polyoxometalates , Institute of Molecular and Crystal Engineering , College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China . ; ; ; Tel: +86 371 23881589
| | - Qiu-Xia Han
- Henan Key Laboratory of Polyoxometalates , Institute of Molecular and Crystal Engineering , College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China . ; ; ; Tel: +86 371 23881589
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12
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Dehno Khalaji A, Shahsavani E, Feizi N, Kučeráková M, Dušek M, Mazandarani R, Amiri A. Ultrasonic-bath-assisted preparation of mononuclear copper(I) thiosemicarbazone complex particles: Crystal structure, characterization and antimicrobial activity. CR CHIM 2017. [DOI: 10.1016/j.crci.2016.05.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Bruneau C, Gramage-Doria R. One-Pot Directing Group Formation/C−H Bond FunctionalizationviaCopper(I) and Ruthenium(II) Catalysis. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600735] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Christian Bruneau
- Organometallics: Materials and Catalysis Laboratory; Institut des Sciences Chimiques de Rennes, UMR 6226, CNRS; Université de Rennes 1; Avenue du Général Leclerc 263 35042 Rennes France
| | - Rafael Gramage-Doria
- Organometallics: Materials and Catalysis Laboratory; Institut des Sciences Chimiques de Rennes, UMR 6226, CNRS; Université de Rennes 1; Avenue du Général Leclerc 263 35042 Rennes France
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14
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Bis{(4-methylthio)phenylthio}methane as assembling ligand for the construction of Cu(I) and Hg(II) coordination polymers. Crystal structures and topological (AIM) analysis of the bonding. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.07.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Stacy AE, Palanimuthu D, Bernhardt PV, Kalinowski DS, Jansson PJ, Richardson DR. Structure-Activity Relationships of Di-2-pyridylketone, 2-Benzoylpyridine, and 2-Acetylpyridine Thiosemicarbazones for Overcoming Pgp-Mediated Drug Resistance. J Med Chem 2016; 59:8601-20. [PMID: 27524608 DOI: 10.1021/acs.jmedchem.6b01050] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Multidrug resistance (MDR) mediated by P-glycoprotein (Pgp) represents a significant impediment to successful cancer treatment. The compound, di-2-pyridylketone 4,4-dimethyl-3-thiosemicarbazone (Dp44mT), has been shown to induce greater cytotoxicity against resistant cells than their nonresistant counterparts. Herein, the structure-activity relationships of selected thiosemicarbazones are explored and the novel mechanism underlying their ability to overcome resistance is further elucidated. Only thiosemicarbazones with electron-withdrawing substituents at the imine carbon mediated Pgp-dependent potentiated cytotoxicity, which was reversed by Pgp inhibition. Treatment of resistant cells with these thiosemicarbazones resulted in Pgp-dependent lysosomal membrane permeabilization (LMP) that relied on copper (Cu) chelation, reactive oxygen species generation, and increased relative lipophilicity. Hence, this study is the first to demonstrate the structural requirements of these thiosemicarbazones necessary to overcome MDR. We also demonstrate the mechanism that enables the targeting of resistant tumors, whereby thiosemicarbazones "hijack" lysosomal Pgp and form redox-active Cu complexes that mediate LMP and potentiate cytotoxicity.
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Affiliation(s)
- Alexandra E Stacy
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The University of Sydney , Level 5, Blackburn Building (D06), Sydney, New South Wales 2006, Australia
| | - Duraippandi Palanimuthu
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The University of Sydney , Level 5, Blackburn Building (D06), Sydney, New South Wales 2006, Australia
| | - Paul V Bernhardt
- School of Chemistry and Molecular Biosciences, University of Queensland , Brisbane, Queensland 4072, Australia
| | - Danuta S Kalinowski
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The University of Sydney , Level 5, Blackburn Building (D06), Sydney, New South Wales 2006, Australia
| | - Patric J Jansson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The University of Sydney , Level 5, Blackburn Building (D06), Sydney, New South Wales 2006, Australia
| | - Des R Richardson
- Molecular Pharmacology and Pathology Program, Department of Pathology and Bosch Institute, The University of Sydney , Level 5, Blackburn Building (D06), Sydney, New South Wales 2006, Australia
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16
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Indoria S, Lobana TS, Singh D, Kumari S, Kumari P, Bala T, Kamal A, Jassal AK, García Santos I, Castineiras A, Jasinski JP. Stabilization of CuII-I Bonds Using 2-Benzoylpyridine Thiosemicarbazones - Synthesis, Structure, Spectroscopy, Fluorescence, and Cyclic Voltammetry. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500618] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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17
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Jayakumar K, Sithambaresan M, Aiswarya N, Kurup MRP. Synthesis and spectral characterization of mono- and binuclear copper(II) complexes derived from 2-benzoylpyridine-N⁴-methyl-3-thiosemicarbazone: crystal structure of a novel sulfur bridged copper(II) box-dimer. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 139:28-36. [PMID: 25546494 DOI: 10.1016/j.saa.2014.11.042] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 10/28/2014] [Accepted: 11/20/2014] [Indexed: 06/04/2023]
Abstract
Mononuclear and binuclear copper(II) complexes of 2-benzoylpyridine-N(4)-methyl thiosemicarbazone (HL) were prepared and characterized by a variety of spectroscopic techniques. Structural evidence for the novel sulfur bridged copper(II) iodo binuclear complex is obtained by single crystal X-ray diffraction analysis. The complex [Cu2L2I2], a non-centrosymmetric box dimer, crystallizes in monoclinic C2/c space group and it was found to have distorted square pyramidal geometry (Addison parameter, τ=0.238) with the square basal plane occupied by the thiosemicarbazone moiety and iodine atom whereas the sulfur atom from the other coordinated thiosemicarbazone moiety occupies the apical position. This is the first crystallographically studied system having non-centrosymmetrical entities bridged via thiolate S atoms with Cu(II)I bond. The tridentate thiosemicarbazone coordinates in mono deprotonated thionic tautomeric form in all complexes except in sulfato complex, [Cu(HL)(SO4)]·H2O (1) where it binds to the metal centre in neutral form. The magnetic moment values and the EPR spectral studies reflect the binuclearity of some of the complexes. The spin Hamiltonian and bonding parameters are calculated based on EPR studies. In all the complexes g||>g⊥>2.0023 and the g values in frozen DMF are consistent with the d(x2-y2) ground state. The thermal stabilities of some of the complexes were also determined.
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Affiliation(s)
- K Jayakumar
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682 022, Kerala, India
| | - M Sithambaresan
- Department of Chemistry, Faculty of Science, Eastern University, Sri Lanka, Chenkalady, Sri Lanka
| | - N Aiswarya
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682 022, Kerala, India
| | - M R Prathapachandra Kurup
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682 022, Kerala, India.
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18
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Reger DL, Pascui AE, Smith MD, Jezierska J, Ozarowski A. Syntheses, Structural, Magnetic, and Electron Paramagnetic Resonance Studies of Monobridged Cyanide and Azide Dinuclear Copper(II) Complexes: Antiferromagnetic Superexchange Interactions. Inorg Chem 2015; 54:1487-500. [PMID: 25602445 DOI: 10.1021/ic502485p] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Daniel L. Reger
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Andrea E. Pascui
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Mark D. Smith
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Julia Jezierska
- Faculty
of Chemistry, University of Wrocław 50-383 Wrocław, Poland
| | - Andrew Ozarowski
- National
High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, United States
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19
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Jana S, Harms K, Chattopadhyay S. In situ assembly of a host–guest linked, mixed valence copper(II)–copper(I) coordination polymer [Cu(1,2-en)2(μ3-I)2Cu2(μ2-I)2]n via partial reduction of copper(II) under ambient conditions. J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.952633] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Subrata Jana
- Department of Chemistry, Inorganic Section, Jadavpur University, Kolkata, India
| | - Klaus Harms
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg, Germany
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20
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Jayakumar K, Sithambaresan M, Aravindakshan AA, Kurup MP. Synthesis and spectral characterization of copper(II) complexes derived from 2-benzoylpyridine-N4,N4-dimethyl-3-thiosemicarbazone: Crystal structure of a binuclear complex. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.02.042] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Li HN, Wei RZ, Chi YH, Wei W, Du H, Zhang SG, Shi JM. Intermolecular interaction and magnetic coupling mechanism of a mixed-valence CuIICuI tetranuclear complex with iodide bridge. J COORD CHEM 2013. [DOI: 10.1080/00958972.2013.825370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Hong-Nan Li
- a College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan , P.R. China
| | - Rui-Zheng Wei
- a College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan , P.R. China
| | - Yan-Hui Chi
- a College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan , P.R. China
| | - Wei Wei
- b Department of Chemistry , University of California , Davis , US
| | - Hua Du
- a College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan , P.R. China
| | - Shi-Guo Zhang
- c Binzhou Key Laboratory of Materials Chemistry, Department of Chemistry and Chemical Engineering , Binzhou University , Binzhou , P.R. China
| | - Jing-Min Shi
- a College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan , P.R. China
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