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SYNTHESIS AND CHARACTERIZATION OF NOVEL M(II) (M = Mn(II), Ni(II), Cu(II) OR Zn(II)) COMPLEXES WITH TRIDENTATE N2,O-DONOR LIGAND (E)-2-AMINO-N’-[1-(PYRIDIN-2-YL)ETHYLIDENE]BENZOHYDRAZIDE

The coordination chemistry towards the M(II) metal centre (M = Mn, Ni, Cu or Zn) of the hydrazone ligand (E)-2-amino-N’-[1-(pyridin-2-yl)ethylidene]benzohydrazide (H3L) has been explored and complexes having formulae [Mn(H2L)2] (1), {[Ni(H2L)2].DMF.0.4H2O} (2), {[Cu2(H2L)2(?-Cl)2].DMF} (3) and [Zn(H2L)2] (4) have been isolated and characterized by IR, UV-Visible spectroscopy, elemental analysis and Xray crystal diffraction. Structural studies reveal that the mononuclear complexes (1), (2) and (4) adopt highly distorted octahedral geometries while the dinuclear complex (3) adopts a square pyramidal geometry around each copper(II) ion.


Auteur(s) : Cheikh Hamidou Kane, Daniel Tinguiano, Farba Bouyagui Tamboura, Ibrahima Elhadj Thiam, Aliou Hamady Barry, Mohamed Gaye and Pascal Retailleau
Pages : 101-110
Année de publication : 2016
Revue : Bulletin of Chemical Society of Ethiopia
N° de volume : 30
Type : Article
Mise en ligne par : THIAM Ibrahima El Hadji