NDLI: Synthesis, characterization, DNA binding and antimicrobial studies on bis(1-amidino-O-2-alkoxyethylurea) copper(II) chloride complexes (alkoxy = methoxy or ethoxy)

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Synthesis, characterization, DNA binding and antimicrobial studies on bis(1-amidino-O-2-alkoxyethylurea) copper(II) chloride complexes (alkoxy = methoxy or ethoxy)

Content Provider	Springer Nature Link
Author	Pramodini Devi, S. Reena Devi, L. Rajen Singh, N. Damayanti, M. Bindiya Devi, R. K. Hemakumar Singh, R. K.
Copyright Year	2012
Abstract	Copper(II) complexes of [Cu(II)(1-amidino-O-2-methoxyethylurea)$_{2}$]Cl$_{2}$ (1) and [Cu(II)(1-amidino-O-2-ethoxyethylurea)$_{2}$]Cl$_{2}$ (2) have been synthesized and characterized by elemental analysis, magnetic moment, conductance, thermal analysis, IR, UV, powdered XRD and EPR spectral studies. The trend in g values g $_{\|\|}$ > g $_{⊥}$ > 2.0023 in the EPR spectra of the complexes suggest that the unpaired electron on copper(II) ion has $${d_{x}}^2 - {{}_{y}}^2$$ character and the complexes have square planar structure which is also supported by electronic absorption spectral studies. The bonding parameters of these complexes in DMF have been calculated based on the EPR and electronic spectral data. The complexes (1) and (2) exhibit K $_{\|\|}$ > K $_{⊥}$ which indicates the presence of significant out-of-plane π bonding. Powdered XRD spectral patterns show that complexes crystallize in a monoclinic system. The binding of the complexes with calf thymus DNA was investigated by absorption and emission spectroscopy, viscosity measurements, DNA melting and cyclic voltammetric studies. DNA interaction studies show that the complexes bind to calf thymus DNA in a non-intercalative mode. The two complexes exhibit growth inhibitory activity against pathogenic bacteria, viz., Escherichia coli, Klebsiella pneumoniae sub sp. Pneumoniae, Proteus mirabilis.
Ending Page	465
Page Count	11
Starting Page	455
File Format	PDF
ISSN	1735207X
e-ISSN	17352428
Journal	Journal of the Iranian Chemical Society
Issue Number	4
Volume Number	9
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-01-10
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Antimicrobial activity Analytical Chemistry Physical Chemistry Dicyandiamide Non-intercalative Powder XRD Biochemistry Inorganic Chemistry EPR parameters Hydrogen bonding Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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