NDLI: Vic-dioxime complexes bearing carboxyester and picolyl amide functionality: synthesis, characterization, spectroscopy, electrochemistry, and electrical properties

Content Provider	Springer Nature Link
Author	Yaraşir, Meryem N. Kandaz, Mehmet Akyıldız, Ali Karadeniz, Kemal Dumludağ, Fatih Koca, Atıf
Copyright Year	2013
Abstract	We have synthesized a vic-dioxime, [(1Z,2Z)-bis(2-oxo-2-(pyridin-2-ylmethylamino)ethyl)-N’1,N’2-dihydroxyethanebis(imidothioate)] (LH4) via dimethyl 2,2′-(1,2-bis(hydroxyimino)ethane-1,2-diyl)bis(sulfanediyl)diacetate (LH2) and 2-(aminomethyl)pyridine by using the condensation technique. The formation of mononuclear (Ni(II), Cu(II)) and homodinuclear (LH)2(UO2)2(OH)2) complexes of LH2 and mononuclear Cu(II) and homotrinuclear ((LH)2M3, M=Cu(II) and Ni(II)) complexes of LH4 were also obtained simultaneously with metal:ligand ratios of 1:2, 2:2 and 1:2, 3:2, respectively. The structure of the dioxime and its complexes are proposed in accordance with the elemental analysis, NMR, UV-Vis, FT-IR, and MS-FAB spectral data. The voltammetric analyses of the complexes showed metal- and ligand-based signals. The redox chemistry of the complexes exhibited various oxidation states of the central metals of the complexes. DC and AC conductivity measurements were performed at room temperature under vacuum in the dark. I-V characteristics of the complexes showed ohmic behavior. AC conductivity of the homotrinuclear copper and nickel increased and impedance of the same complexes decreased with increasing frequency.
Starting Page	951
Ending Page	962
Page Count	12
File Format	PDF
ISSN	00269247
Journal	Monatshefte für Chemie - Chemical Monthly
Volume Number	144
Issue Number	7
e-ISSN	14344475
Language	English
Publisher	Springer Vienna
Publisher Date	2013-03-02
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Vic-dioximes Ester condensation Water-soluble complexes Ionophore Transition metal complexes Cyclic voltammetry Conductivity Impedance Chemistry/Food Science Organic Chemistry Inorganic Chemistry Analytical Chemistry Physical Chemistry Theoretical and Computational Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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