期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 71, 期 5, 页码 1851-1856出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2008.07.002
关键词
Schiff base; Condensation; Spectroscopic studies; Octahedral geometry; Calf thymus DNA
类别
资金
- Department of Science and Technology (DST), New Delhi [SR/FrP/CS-11-2007]
The Schiff base ligand. N.N'-bis-(2-pyridinecarboxaldimine)-1,8-diaminonaphthalene (L), obtained by the condensation of 2-pyridinecarboxaldehyde and 1.8-diaminonaphthalene, has been used to synthesize the mononuclear complexes of the type [MLCl2] [M = Co(II), Ni(II). Cu(II) and Zn(II)]. The newly synthesized ligand (L) and its complexes have been characterized on the basis of results of elemental analysis, molar conductance, magnetic susceptibility measurements, job's method and spectroscopic studies viz., FT-IR, Mass, H-1 and C-13 NMR. The UV-vis and magnetic moment data revealed an octahedral geometry around Co(II), Ni(II) and Cu(II) ions and conductivity data show a non-electrolytic nature of the complexes. Absorption and fluorescence spectroscopic Studies support that Cu(II) complex exhibits significant binding to calf thymus DNA. (C) 2008 Elsevier B.V. All rights reserved.
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