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

被引:5
作者
Kane, Cheikh Hamidou [1 ]
Tinguiano, Daniel [1 ]
Tamboura, Farba Bouyagui [1 ]
Thiam, Ibrahima Elhadj [1 ]
Barry, Aliou Hamady [2 ]
Gaye, Mohamed [1 ]
Retailleau, Pascal [3 ]
机构
[1] Univ Cheikh Anta Diop, Dept Chem, Dakar, Senegal
[2] Univ Nouakchott, Dept Chem, Mauritania, Mauritania
[3] CNRS, Inst Chim Subst Nat, UPR2301, Ctr Rech Gif, 1 Ave Terrasse, F-91198 Gif Sur Yvette, France
关键词
Schiff base; Phenolate; Manganese(II); Nickel(II); Copper(II); Zinc(II); Mononuclear complexes; X-Ray structure; DONOR SCHIFF-BASE; TRANSITION-METAL-COMPLEXES; X-RAY CRYSTAL; COPPER(II) COMPLEXES; SPECTRAL CHARACTERIZATION; MOLECULAR-STRUCTURE;
D O I
10.4314/bese.v30i1.9
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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)]center dot DMF center dot 0.4H(2)O}(2), {[Cu-2(H2L)(2)(mu-Cl)(2)]center dot 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.
引用
收藏
页码:101 / 110
页数:10
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