Veli T Kasumov

Summary

Affiliation: Harran University
Country: Turkey

Publications

  1. ncbi request reprint Synthesis, spectroscopic characterization and EPR studies on electron transfer reactions of bis[N-(2,5-di-tert-butylphenyl)salicylaldiminato]copper complexes with PPh3
    Veli T Kasumov
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 58:2199-211. 2002
  2. ncbi request reprint Polyfluorinated Pd(II)-3,5-di-tert-butylsalicylaldimenes complexes: synthesis, structure, spectroscopy, redox behaviors and catalytic activity
    Veli T Kasumov
    Department of Chemistry, Harran University, Fac Arts and Sci, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 107:31-8. 2013
  3. ncbi request reprint Synthesis, spectroscopy, magnetic and redox behaviors of copper(II) complexes with tert-butylated salen type ligands bearing bis(4-aminophenyl)ethane and bis(4-aminophenyl)amide backbones
    Veli T Kasumov
    Department of Chemistry, Harran University, Osmanbey, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 104:203-12. 2013
  4. ncbi request reprint Synthesis, ESR, UV-Visible and reactivity studies of new bis(N-dimethoxyaniline-3,5-(t)Bu2-salicylaldiminato)copper(II) complexes
    Veli T Kasumov
    Department of Chemistry, Harran University, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 98:207-14. 2012
  5. ncbi request reprint Synthesis and ESR studies of redox reactivity of bis (3,5-di-tert-butyl-1,2-benzoquinone-2-monooximato)Cu(II)
    V T Kasumov
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 56:841-50. 2000
  6. ncbi request reprint Synthesis, spectroscopic characterization and reactivity studies of oxovanadium(IV) complexes with bulky N,N'-polymethylenebis(3,5-(t)Bu(2)salicylaldimine) ligands
    Veli T Kasumov
    Department of Chemistry, Harran University, Osmanbey, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 77:630-7. 2010
  7. ncbi request reprint Spectroscopic and electron-transfer reactivity studies of bulky bis(N-cycloalkyl-3,5-tBu2-salicylaldiminato)copper(II) complexes: generation of uncoordinated and coordinated phenoxyl radicals
    Veli T Kasumov
    Department of Chemistry, Harran University, Osmanbey, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 76:99-106. 2010
  8. ncbi request reprint Synthesis, spectroscopic and redox properties of the copper(II) complexes of N-(di-methylphenyl)-3,5-Bu2t-salicylaldimines
    Veli T Kasumov
    Department of Chemistry, Faculty Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 63:330-6. 2006
  9. ncbi request reprint Synthesis, spectroscopy and electrochemical behaviors of nickel(II) complexes with tetradentate shiff bases derived from 3,5-Bu(2)(t)-salicylaldehyde
    Veli T Kasumov
    Chemistry Department, Harran University, 63200 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 62:716-20. 2005
  10. ncbi request reprint Synthesis, spectroscopy, and electrochemistry of copper(II) complexes with N,N'-bis(3,5-di-t-butylsalicylideneimine)polymethylenediamine ligands
    Veil T Kasumov
    Chemistry Department of Faculty of Arts and Sciences, Harran University, Sanhurfa 63300, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 61:225-31. 2005

Collaborators

Detail Information

Publications20

  1. ncbi request reprint Synthesis, spectroscopic characterization and EPR studies on electron transfer reactions of bis[N-(2,5-di-tert-butylphenyl)salicylaldiminato]copper complexes with PPh3
    Veli T Kasumov
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 58:2199-211. 2002
    ..The spectra of the primary radicals interpreted in terms of couplings of unpaired electron with (63,65)Cu, 31P, 14N nuclei and aromatic protons...
  2. ncbi request reprint Polyfluorinated Pd(II)-3,5-di-tert-butylsalicylaldimenes complexes: synthesis, structure, spectroscopy, redox behaviors and catalytic activity
    Veli T Kasumov
    Department of Chemistry, Harran University, Fac Arts and Sci, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 107:31-8. 2013
    ..0044-2.0062). The results of chemical and electrochemical oxidation of 1-12, as well as the catalytic activity of 7-10 complexes in the hydrogenation of PhNO2 were presented...
  3. ncbi request reprint Synthesis, spectroscopy, magnetic and redox behaviors of copper(II) complexes with tert-butylated salen type ligands bearing bis(4-aminophenyl)ethane and bis(4-aminophenyl)amide backbones
    Veli T Kasumov
    Department of Chemistry, Harran University, Osmanbey, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 104:203-12. 2013
    ..Cryogenic measurements (300-10 K) show weak antiferromagnetic exchange interactions between the copper(II) centers in complexes 6 and 8. The results of electrochemical and chemical redox-reactivity studies are discussed...
  4. ncbi request reprint Synthesis, ESR, UV-Visible and reactivity studies of new bis(N-dimethoxyaniline-3,5-(t)Bu2-salicylaldiminato)copper(II) complexes
    Veli T Kasumov
    Department of Chemistry, Harran University, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 98:207-14. 2012
    ..The CV studies have shown that the complexes possess ligand-centered and copper(II)-centered quasi-reversible and irreversible responses...
  5. ncbi request reprint Synthesis and ESR studies of redox reactivity of bis (3,5-di-tert-butyl-1,2-benzoquinone-2-monooximato)Cu(II)
    V T Kasumov
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 56:841-50. 2000
    ..0052). The unstable radical species attributed to nitrene type radicals. The initial complexes and all radical products were characterized by their ESR and optical spectra...
  6. ncbi request reprint Synthesis, spectroscopic characterization and reactivity studies of oxovanadium(IV) complexes with bulky N,N'-polymethylenebis(3,5-(t)Bu(2)salicylaldimine) ligands
    Veli T Kasumov
    Department of Chemistry, Harran University, Osmanbey, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 77:630-7. 2010
    ..Each 1 and 7 shows only one reversible VO(IV) centered oxidation waves. Chemical oxidation of H(2)L(x) forms the stable [H(2)L(x)](+) radical species...
  7. ncbi request reprint Spectroscopic and electron-transfer reactivity studies of bulky bis(N-cycloalkyl-3,5-tBu2-salicylaldiminato)copper(II) complexes: generation of uncoordinated and coordinated phenoxyl radicals
    Veli T Kasumov
    Department of Chemistry, Harran University, Osmanbey, 63300 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 76:99-106. 2010
    ....
  8. ncbi request reprint Synthesis, spectroscopic and redox properties of the copper(II) complexes of N-(di-methylphenyl)-3,5-Bu2t-salicylaldimines
    Veli T Kasumov
    Department of Chemistry, Faculty Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 63:330-6. 2006
    ....
  9. ncbi request reprint Synthesis, spectroscopy and electrochemical behaviors of nickel(II) complexes with tetradentate shiff bases derived from 3,5-Bu(2)(t)-salicylaldehyde
    Veli T Kasumov
    Chemistry Department, Harran University, 63200 Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 62:716-20. 2005
    ..The second oxidation peak of the complexes was assigned as the ligand based oxidation generating a coordinated phenoxyl radical species...
  10. ncbi request reprint Synthesis, spectroscopy, and electrochemistry of copper(II) complexes with N,N'-bis(3,5-di-t-butylsalicylideneimine)polymethylenediamine ligands
    Veil T Kasumov
    Chemistry Department of Faculty of Arts and Sciences, Harran University, Sanhurfa 63300, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 61:225-31. 2005
    ..16 - 1.33 V attributable to metal centered Cu(II/III) and ligand centered CuL(x)/CuL(x)*+ couples, respectively. A poorly defined wave was observed for the quasi-reversible reduction Cu(II)/Cu(I) at potentials less than -1.0 V...
  11. ncbi request reprint Spectroscopic and electrochemical characterization of di-tert-butylated sterically hindered Schiff bases and their phenoxyl radicals
    V T Kasumov
    Chemistry Department, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 60:3037-47. 2004
    ..The ES spectra of o-, p-Cl, p-Br, o-CH3 and 5,6-benzo-substituted SA did not exhibit expected absorptions at 400-500 nm in alcoholic solutions...
  12. ncbi request reprint Spectroscopic studies of metal complexes with redox-active hydrogenated Schiff bases
    V T Kasumov
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanhurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 57:451-60. 2001
    ..276, g(z) = 1.998, A(xy)Co = 122.7 G, A(z)Co = 150 G) and radical containing Co(III) intermediate with g(x,y) = 2.015, A(xy)Co = 4.66 G, g(z) = 1.989, A(z)Co = 10 G were also observed...
  13. ncbi request reprint Synthesis, spectroscopic characterization and ESR studies on electron transfer reactions of bis[N-(2,6-di-tert-butyl-1-hydroxyphenyl)salicylaldiminato]-copper(II) complexes with PbO2 and PPh3
    V T Kasumov
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanhurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 57:1649-62. 2001
    ..The analysis of ESR spectra all of the complexes and radical intermediates are presented...
  14. ncbi request reprint Preparation, spectral behaviour and oxidation of some new zinc(II) salicylaldimines containing sterically hindered phenol
    V T Kasumov
    Chemistry Department, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 57:2337-44. 2001
    ..ESR studies on biradicals type of Zn(L*x)2 at 300 and 77 K did not show any evidence of strong exchange coupling in these systems. All radical species were characterized by the ESR parameters...
  15. ncbi request reprint Studies on bis(3,5-di-t-butyl-1,2-benzoquinone 1-oximato)manganese(II) and its mixed-ligand complexes
    Veli T Kasumov
    Chemistry Department, Faculty of Arts and Sciences, Harran University, 63300, Sanhurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 59:1151-60. 2003
    ..0056-2.0075, A(P)=8. 5 G and A(N)=1.875 G)...
  16. ncbi request reprint Synthesis, spectroscopic characterization and redox reactivity of some transition metal complexes with salicylaldimines bearing 2,6-di-phenylphenol
    V T Kasumov
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 60:31-9. 2004
    ..The analysis of ESR spectra of Cu(Lx)(2), Co(L1)(2) and generated phenoxyl radicals are presented...
  17. ncbi request reprint Synthesis, spectroscopy and redox behaviors of 4,6-di-t-Bu-, 4-Me-6-t-Bu- and 4-t-Bu-2-nitrosophenolato copper(II) complexes; Characterization of radical species generated by PPh3
    V T Kasumov
    Department of Chemistry, Harran University, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 60:915-21. 2004
    ..Electrochemical behaviors were interpreted in terms of the existence two-valence tautomeric nitroso and oximato isomers of CuLx2 in solution...
  18. ncbi request reprint Synthesis, spectroscopy, X-ray structure and redox behaviors of 4-(N-R-salicylideneimine)-2,6-diphenylphenols
    Veli T Kasumov
    Chemistry Department, Faculty of Arts and Sciences, HU, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 70:60-8. 2008
    ..As evidenced by ESR and UV-vis study, chemical oxidation of X by PbO2 and (NH4)2Ce(NO3)6 in MeCN and CHCl3 generates stable phenoxyl radicals [(g approximately 2.005 and lambda approximately 450 nm (1600-8200 M(-1) cm(-1))]...
  19. ncbi request reprint Synthesis, spectroscopic and structural studies of new Schiff bases prepared from 3,5-Bu2t-salicylaldehyde and heterocyclic amines: X-ray structure of N-(3,5-di-tert-butylsalicylidene)-1-ethylcarboxylato-4-aminopiperidine
    Esref Tas
    Department of Chemistry, Faculty of Arts and Sciences, Harran University, Osmanbey Campus, 63300, Sanliurfa, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 68:463-8. 2007
    ..The crystal structure the was mainly governed by intermolecular steric repulsions, due to bulky tert-butyl groups and the tendency of salicylaldimine rings to pack in parallel mode forms one-dimensional columns...
  20. ncbi request reprint The molecular structure and vibrational spectra of N-(3-tert-butyl-2-hydroxybenzylidene)-2,6-diphenyl-4-hydroxyaniline
    Erdal Yabalak
    Mersin University, Faculty of Arts and Science, Department of Chemistry, Mersin TR 33343, Turkey
    Spectrochim Acta A Mol Biomol Spectrosc 110:291-303. 2013
    ..Theoretical vibrational spectra of the title compound were interpreted by means of PEDs using the SQM 2.0 program. A general better performance of the investigated methods was calculated by PAVF 1.0 program...