NDLI: Synthesis, spectroscopic, powder X-ray diffraction and DNA binding studies on copper(II) complexes of 4,4′-diaminodiphenyl sulfone

Content Provider	Springer Nature Link
Author	Chitra, R. Jaideva Singh, L. Hemakumar Singh, R. K.
Copyright Year	2011
Abstract	Four new Cu(II) complexes of 4,4′-diaminodiphenyl sulfone (DDS) with different anions (chloride, sulfate, nitrate or acetate) were synthesized and characterized by elemental analysis, electronic absorption, IR, magnetic moment, thermal analysis and powder X-ray diffraction studies. It was found that the pure DDS and complex [Cu$_{2}$(DDS)$_{2}$(NO$_{3}$)$_{2}$].(NO$_{3}$)$_{2}$ (3) crystallize in orthorhombic system while the complexes [Cu$_{2}$(DDS)$_{2}$].Cl$_{4}$ (1), [Cu$_{2}$(DDS)$_{2}$].(SO$_{4}$)$_{2}$ (2), and [Cu$_{2}$(DDS)$_{2}$].(CH$_{3}$COO)$_{4}$ (4) crystallize in monoclinic system. The crystallite sizes of complexes have smaller values as compared to pure DDS. Infrared studies suggest that the coordination of NH$_{2}$ of DDS with Cu(II) ion. The binding of the complexes with calf thymus (CT) DNA was investigated by electronic absorption titration, fluorescence measurements and DNA thermal denaturation. The spectroscopic studies together with the DNA melting studies indicated that the complexes may bind to CT-DNA in a non-intercalative mode.
Starting Page	441
Ending Page	448
Page Count	8
File Format	PDF
ISSN	1735207X
Journal	Journal of the Iranian Chemical Society
Volume Number	9
Issue Number	4
e-ISSN	17352428
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-01-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Monoclinic Cu(II) complexes DDS Analytical Chemistry Physical Chemistry DNA interaction Non-intercalative X-ray diffraction Biochemistry Inorganic Chemistry Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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