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de Sousa AP, Gondim ACS, Sousa EHS, de Vasconcelos MA, Teixeira EH, Bezerra BP, Ayala AP, Martins PHR, Lopes LGDF, Holanda AKM. An unusual bidentate methionine ruthenium(II) complex: photo-uncaging and antimicrobial activity. J Biol Inorg Chem 2020; 25:419-428. [DOI: 10.1007/s00775-020-01772-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 03/04/2020] [Indexed: 12/14/2022]
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Photochemical studies of cis -[Ru(bpy) 2 (4-bzpy)(CO)](PF 6 ) 2 and cis -[Ru(bpy) 2 (4-bzpy)(Cl)](PF 6 ): Blue light-induced nucleobase binding. J Inorg Biochem 2017; 173:144-151. [DOI: 10.1016/j.jinorgbio.2017.05.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 03/29/2017] [Accepted: 05/07/2017] [Indexed: 11/17/2022]
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Kasprzak M, Fabijańska M, Chęcińska L, Studzian K, Markowicz-Piasecka M, Sikora J, Mikiciuk-Olasik E, Ochocki J. Small differences in structure, a large difference in activity – Comparing a new Ru(II)-3-hydroxyiminoflavanone complex with analogous Ru(II) compounds. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.11.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Ferrer Í, Fontrodona X, Roig A, Rodríguez M, Romero I. A Recoverable Ruthenium Aqua Complex Supported on Silica Particles: An Efficient Epoxidation Catalyst. Chemistry 2017; 23:4096-4107. [DOI: 10.1002/chem.201604463] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Íngrid Ferrer
- Departament de Química and Serveis Tècnics de Recerca; Universitat de Girona; Campus de Montilivi 17003 Girona Spain
| | - Xavier Fontrodona
- Departament de Química and Serveis Tècnics de Recerca; Universitat de Girona; Campus de Montilivi 17003 Girona Spain
| | - Anna Roig
- Institut de Ciència de Materials de Barcelona; ICMAB (CSIC), Campus UAB; 08193 Bellaterra Spain
| | - Montserrat Rodríguez
- Departament de Química and Serveis Tècnics de Recerca; Universitat de Girona; Campus de Montilivi 17003 Girona Spain
| | - Isabel Romero
- Departament de Química and Serveis Tècnics de Recerca; Universitat de Girona; Campus de Montilivi 17003 Girona Spain
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El-Asmy AA, Shabana A, El-Maaty WA, Mostafa MM. Synthesis, spectroscopic characterization, molecular modeling and eukaryotic DNA degradation of new hydrazone complexes. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2012.12.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Jeragh B, Ali MS, El-Asmy AA. Synthesis, crystal structure, characterization and biological activity of 2,5-hexanedione bis(isonicotinylhydrazone) and N-(2,5-dimethyl-1H-pyrrol-1-yl)isonicotinamide complexes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 150:504-513. [PMID: 26073596 DOI: 10.1016/j.saa.2015.05.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2015] [Revised: 05/03/2015] [Accepted: 05/23/2015] [Indexed: 06/04/2023]
Abstract
The reaction between 2,5-hexanedione and isonicotinic acid hydrazide in EtOH gave two products. The ethanol insoluble product was identified as 2,5-hexanedione bis(isonicotinylhydrazone) [HINH] and the soluble ethanol product as N-(2,5-dimethyl-1H-pyrrol-1-yl)isonicotinamide [DINA]. A series of Cr(3+), Fe(3+), Co(2+), Ni(2+), Cu(2+), Zn(2+), Cd(2+), Hg(2+) and Pd(2+) complexes of HINH and Co(2+), Cu(2+), Zn(2+) and Hg(2+) complexes of DINA have been synthesized and structurally characterized. Based on the elemental analysis, mass spectra and molar conductance, the complexes have assigned the proposed imperical formulae. The crystal structures of N-(2,5-dimethyl-1H-pyrrol-1-yl)isonicotinamide and its Zn(2+) and Hg(2+) complexes have been solved by X-ray diffraction having [Zn(DINA)2Cl2] and [Hg(DINA)2Cl2] in a tetrahedral structure. In the DINH complexes, the ligand coordinates as a monodentate through the pyridine nitrogen. On the other hand, HINH behaves as a tetradentate (neutral or binegative) manner with the two metal ions. The magnetic moments and electronic spectra of all complexes provide tetrahedral, square-planar, trigonal biyramid and/or octahedral structure. The thermal decomposition of the complexes revealed the outer and inner solvents as well as the end product. The steady part of [Zn(DINA)2Cl2] and [Hg(DINA)2Cl2] thermograms till 303 and 286 °C indicates the absence of any outside solvents. All compounds have activity against bacteria more than fungi. [Cd4(HINH)Cl8]·3H2O has the highest values.
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Affiliation(s)
- Bakir Jeragh
- Chemistry Department, Faculty of Science, Kuwait University, Kuwait
| | - Mayada S Ali
- Chemistry Department, Faculty of Science, Kuwait University, Kuwait
| | - Ahmed A El-Asmy
- Chemistry Department, Faculty of Science, Kuwait University, Kuwait.
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Jeragh B, El-Asmy AA. Coordination of Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Hg(II), Pd(II) and Pt(II) with 2,5-hexanedione bis(thiosemicarbazone), HBTS: crystal structure of cis-[Pd(HBTS)]Cl2 and 1-(2,5-dimethyl-1H-pyrrol-yl)-thiourea. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 130:546-552. [PMID: 24813284 DOI: 10.1016/j.saa.2014.04.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 04/02/2014] [Accepted: 04/07/2014] [Indexed: 06/03/2023]
Abstract
Metal complexes of Fe3+, Co2+, Ni2+, Cu2+, Zn2+, Cd2+, Hg2+, Pd2+ or Pt2+ with 2,5-hexanedione bis(thiosemicarbazone), HBTS; have been prepared and spectroscopically investigated. The empirical formulae of the complexes were suggested based on the elemental analysis. Single crystal of Pd(II) has been solved to be cis-form of square-planar geometry by the X-ray crystallography. 1H and 13C NMR spectra have been recorded for HBTS, Zn(II), Cd(II), Hg(II), Pd(II) and Pt(II) complexes, in DMSO-d6, showing the mode of chelation. The ligand acts as a neutral or a binegative tetradentate (N2S2) or neutral bidentate on the basis of FT-IR. The magnetic moments and electronic spectra provide information about the geometry of the complexes which supported by calculating the ligand field parameters for the Co(II) and Fe(III) complexes. The Ni(II) complex has subnormal magnetic moment (0.71 BM) indicative of a mixed stereochemistry of square-planar and tetrahedral structure. [Cu(HBTS-2H)] measured 0.93 BM indicating high interaction between the copper centers. The ligand may be ordered at the top of the spectrochemical series which giving high ligand field splitting energy (10 Dq=17,900 cm(-1) for Co2+ complex). The mass spectra of some complexes proved their stable chemical formulae while the TGA depicts the degradation steps and the final residue. In evaporating the mother liquor during the preparation of HBTS, new compound is obtained naming 1-(2,5-dimethyl-1H-pyrrol-yl)thiourea and its crystal was solved.
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Affiliation(s)
- Bakir Jeragh
- Chemistry Department, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 1360, Kuwait
| | - Ahmed A El-Asmy
- Chemistry Department, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 1360, Kuwait.
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Golchoubian H, Nazari O, Mohseni M. Synthesis, crystal structure, and antimicrobial activity of bis((2-(2-aminoethyl)imino-3-butanone oxime)copper(II) perchlorate. J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.913135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
| | - Omeleila Nazari
- Department of Chemistry, University of Mazandaran, Babol-sar, Iran
| | - Mojtaba Mohseni
- Department of Molecular and Cell Biology, University of Mazandaran, Babol-sar, Iran
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Dakkach M, Atlamsani A, Parella T, Fontrodona X, Romero I, Rodríguez M. New Aqua N-Heterocyclic Carbene Ru(II) Complexes with Two-Electron Process as Selective Epoxidation Catalysts: An Evaluation of Geometrical and Electronic Effects. Inorg Chem 2013; 52:5077-87. [DOI: 10.1021/ic302863h] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Mohamed Dakkach
- Departament de Química i Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, E-17071
Girona, Spain
- Laboratoire
des Matériaux et Systèmes Interfaciaux, Département
de Chimie, Faculté des Sciences,
B.P. 2121, 93000 Tétouan, Morocco
| | - Ahmed Atlamsani
- Laboratoire
des Matériaux et Systèmes Interfaciaux, Département
de Chimie, Faculté des Sciences,
B.P. 2121, 93000 Tétouan, Morocco
| | - Teodor Parella
- Departament de Química i Servei de RMN, Universitat Autònoma de Barcelona, Cerdanyola
del Vallès, E-08193 Barcelona, Spain
| | - Xavier Fontrodona
- Departament de Química i Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, E-17071
Girona, Spain
| | - Isabel Romero
- Departament de Química i Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, E-17071
Girona, Spain
| | - Montserrat Rodríguez
- Departament de Química i Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, E-17071
Girona, Spain
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Kilic A, Palali AA, Durgun M, Tasci Z, Ulusoy M, Dagdevren M, Yilmaz I. Synthesis, characterization, electrochemical properties and conversions of carbon dioxide to cyclic carbonates mononuclear and multinuclear oxime complexes using as catalyst. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2012.09.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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12
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Iordache PZ, Lungu RM, Safta I. Encapsulation of highly toxic organic compounds: Novelly functionalized nanoparticles for the safe storage of pollutants and their by-products. RSC Adv 2012. [DOI: 10.1039/c2ra20959d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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Uysal Ş. Synthesis and Characterization of S-Triazine Cored Tripodal Keto-oxime and Its Trinuclear Complexes. SYNTHETIC COMMUN 2011. [DOI: 10.1080/00397911.2010.521967] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Şaban Uysal
- a Faculty of Science, Department of Chemistry , Selcuk University , Konya , Turkey
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Uysal Ş, Coşkun A. The novel triazine cored tripodal and trinuclear Schiff base-oxime metal complexes: Their magnetic properties and thermal decompositions. J Heterocycl Chem 2011. [DOI: 10.1002/jhet.671] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Serbest K, Karaoğlu K, Erman M, Er M, Değirmencioğlu I. Synthesis, characterization and properties of tetra((1-hydroxyimino-methylnaphthalen-2-yloxy)methyl)ethene and its homo-dinuclear metal complexes: a combined experimental and theoretical investigation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2010; 77:643-651. [PMID: 20678958 DOI: 10.1016/j.saa.2010.07.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2010] [Revised: 05/06/2010] [Accepted: 07/05/2010] [Indexed: 05/29/2023]
Abstract
Tetra((1-hydroxyiminomethylnaphthalen-2-yloxy)methyl)ethene (THIMNYOME), H(4)L, was synthesized by the agents of 2-hydroxy-1-naphtaldehyde, tetra(bromomethyl)ethene and hydroxylamine hydrochloride in two steps. Characterization of THIMNYOME and its dinuclear complexes was made by elemental analyses, IR, (1)H- and (13)C NMR, UV-vis, electrospray ionisation mass spectra, molar conductivities and magnetic susceptibility measurements. In the light of these results, it was suggested that the ligand coordinate to each metal atom by the two ether oxygen, two nitrogen atoms of oxime imine (CN) and an axial oxygen of perchlorate to form pseudo square-pyramidal complexes with Ni(II), Cu(II) and Zn(II). Molar conductivity measurements reveal that all the complexes are non-electrolytes. In addition, the full geometric optimization of the tetraoxime ligand (4) has been made by the B3LYP/6-31G(d) level in order to establish a stable conformation. Additionally, all the complex structures have been studied in the B3LYP/LANL2DZ level. NBO charge distribution and the characteristics of frontier molecular orbitals of these complexes have also been investigated in order to see the electrons movement between ligand and metal atom in the same level.
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Affiliation(s)
- Kerim Serbest
- Rize University, Department of Chemistry, Rize, Turkey.
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El-Asmy AA, Al-Abdeen AZ, El-Maaty WMA, Mostafa MM. Synthesis and spectroscopic studies of 2,5-hexanedione bis(isonicotinylhydrazone) and its first raw transition metal complexes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2010; 75:1516-1522. [PMID: 20189871 DOI: 10.1016/j.saa.2010.02.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Revised: 01/09/2010] [Accepted: 02/03/2010] [Indexed: 05/28/2023]
Abstract
New VO(2+), Mn(2+), Co(2+), Ni(2+) Cu(2+) and Zn(2+) complexes of 2,5-hexanedione bis(isonicotinylhydrazone) [H(2)L] have been synthesized and characterized. The analyses confirmed the formulae: [VO(L)].H(2)O, [Mn(2)(H(2)L)Cl(2)(H(2)O)(6)]Cl(2), [Co(L)(H(2)O)(2)].2H(2)O, [Ni(HL)(OAc)].H(2)O, [Cu(L)(H(2)O)(2)].2H(2)O, [Cu(L)].2H(2)O and [Zn(L)(H(2)O)(2)]. The formulae of [Ni(HL)(OAc)].H(2)O, [Zn(L)(H(2)O)(2)] and [Mn(2)(H(2)L)Cl(2)(H(2)O)(6)]Cl(2), are supported by mass spectra. The molecular modeling of H(2)L is drawn and showed intramolecular hydrogen bonding. The ligand releases two protons during reaction from the two amide groups (NHCO) and behaves as a binegative tetradentate (N(2)O(2)); good evidence comes from the (1)H NMR spectrum of [Zn(L)(H(2)O)(2)]. The ligand has a buffering range 10-12 and pK's of 4.62, 7.78 and 9.45. The magnetic moments and electronic spectra of all complexes provide a square-planar for [Cu(L)].2H(2)O, square-pyramidal for [VO(L)].H(2)O and octahedral for the rest. The ESR spectra support the mononuclear geometry for [VO(L)].H(2)O and [Cu(L)(H(2)O)(2)].2H(2)O. The thermal decomposition of the complexes revealed the outer and inner solvents where the end product in most cases is metal oxide.
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Affiliation(s)
- Ahmed A El-Asmy
- Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Dakhalia 35516, Egypt.
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Karipcin F, Baskale-Akdogan G. Synthesis and characterization of novel oxime-imine ligands and their heteronuclear ruthenium(III) complexes. RUSS J COORD CHEM+ 2009. [DOI: 10.1134/s1070328409080065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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18
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Synthesis, characterization and properties of heteronuclear ruthenium(III) complexes of N,N′-o-bis[1-p-diphenylmethane-2-(arylamine)-1-ethiliden]-phenylenediamine quadridentate ligands. J INCL PHENOM MACRO 2009. [DOI: 10.1007/s10847-009-9552-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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19
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El-Asmy AA. Synthesis and spectroscopic characterization of N-substituted thiosemicarbazone complexes. J Sulphur Chem 2009. [DOI: 10.1080/17415990802346036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Ahmed A. El-Asmy
- a Department of Chemistry , Faculty of Science, Mansoura University , Mansoura, Egypt
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El-Asmy AA, Gabr I, El-Metwally N, Ghazy S, Abdel-Basseer D. Spectroscopic, magnetic and thermal studies on complexes of Cu(II) and VO2+ with diacetylmonoxime derivatives: new method for extraction of Cu(II). J COORD CHEM 2008. [DOI: 10.1080/00958970802100244] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Ahmed A. El-Asmy
- a Faculty of Science, Chemistry Department , Mansoura University , Mansoura, Egypt
| | - I.M. Gabr
- a Faculty of Science, Chemistry Department , Mansoura University , Mansoura, Egypt
| | - N.M. El-Metwally
- a Faculty of Science, Chemistry Department , Mansoura University , Mansoura, Egypt
| | - S.E. Ghazy
- a Faculty of Science, Chemistry Department , Mansoura University , Mansoura, Egypt
| | - D.A. Abdel-Basseer
- a Faculty of Science, Chemistry Department , Mansoura University , Mansoura, Egypt
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Synthesis, structural characterization, and DFT investigation of azoimine–ruthenium complexes containing aromatic-nitrogen ligands. Polyhedron 2008. [DOI: 10.1016/j.poly.2008.07.033] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kilic A, Yilmaz I, Ulusoy M, Tas E. Synthesis, spectral characterization, electrochemical studies and catalytic properties in Suzuki-Miyaura coupling reactions of the mononuclear PdII, trinuclear PdII(BPh2)2and RuIIPdIIRuIItype complexes containing 4-amino-1-benzyl piperidine and phenyl groups. Appl Organomet Chem 2008. [DOI: 10.1002/aoc.1430] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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23
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Al-Noaimi M, El-Barghouthi MI, El-khateeb M, Abdel-Rahman OS, Görls H, Crutchley RJ. Synthesis and characterization of ruthenium(II) azoimine-diphosphine mixed-ligand complexes. Polyhedron 2008. [DOI: 10.1016/j.poly.2008.05.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kilic A, Durap F, Aydemir M, Baysal A, Tas E. Ru(II) with chelating containing N4-type donor quadridentate Pd-oxime metal complexes: Syntheses, spectral characterization, thermal and catalytic properties. J Organomet Chem 2008. [DOI: 10.1016/j.jorganchem.2008.05.041] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Affiliation(s)
- My Hang V Huynh
- DE-1: High Explosive Science and Technology Group, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
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Al-Noaimi MZ, Saadeh H, Haddad SF, El-Barghouthi MI, El-khateeb M, Crutchley RJ. Syntheses, crystallography and spectroelectrochemical studies of ruthenium azomethine complexes. Polyhedron 2007. [DOI: 10.1016/j.poly.2007.03.045] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Silva FON, Araújo SXB, Holanda AKM, Meyer E, Sales FAM, Diógenes ICN, Carvalho IMM, Moreira ÍS, Lopes LGF. Synthesis, Characterization, and NO Release Study of thecis- andtrans-[Ru(Bpy)2(SO3)(NO)]+ Complexes. Eur J Inorg Chem 2006. [DOI: 10.1002/ejic.200500871] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Karipcin F, Arabali F, Karatas I. Synthesis and characterization of 4-(alkylaminoisonitrosoacetyl)biphenyls and their complexes. RUSS J COORD CHEM+ 2006. [DOI: 10.1134/s1070328406020059] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Kandaz M, Özkaya AR, Koca A. A water-soluble multisite ionophore ligand bearing pyridine and aminothiophenol functionality. Synthesis, spectroscopy and electrochemistry of its complexes, and peripheral reactivity of the (E,E)M (M = Ni) complex with Pd2+ and Ag+. TRANSIT METAL CHEM 2004. [DOI: 10.1007/s11243-004-1567-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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31
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The effect of bipyridine modifications on the electrochemical and electronic properties of Ru(II)–bipyridine carbonyls. J Electroanal Chem (Lausanne) 2003. [DOI: 10.1016/s0022-0728(03)00335-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Turkoglu O, Soylak M, Belenli I. Electrical Conductivity of Chloro(phenyl)glyoxime and Its Co(II), Ni(II) and Cu(II) Complexes. ACTA ACUST UNITED AC 2003. [DOI: 10.1135/cccc20031233] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Chloro(phenyl)glyoxime, a vicinal dioxime, and its Ni(II), Cu(II) and Co(II) complexes were prepared. XRD patterns of the complexes point to similar crystal structures. IR and elemental analysis data revealed the 1:2 metal-ligand ratio in the complexes. The Co(II) complex is a dihydrate. Temperature dependence of electrical conductivity of the solid ligand and its complexes was measured in the temperature range 25-250 °C; it ranged between 10-14-10-6 Ω-1 cm-1 and increased with rising temperature. The activation energies were between 0.61-0.80 eV. The Co(II) complex has lower electric conductivity than the Ni(II) and Cu(II) complexes. This difference in the conductivity has been attributed to differences in the stability of the complexes.
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