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Synthesis and study of the Novel tetradented ligand type N2O2 and its complexes with (Mn(II),Co (II),Ni (II) and Cu(II)) ions | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 27, Issue 9, 2009, Pages 1880-1890 PDF (307.62 K) | ||
| DOI: 10.30684/etj.27.9.18 | ||
| Authors | ||
| Ahmad Thabet Numan; Maysoon T.Tawfiq; Basima Abdul Hussin Zaidan | ||
| Abstract | ||
| A new Schiff base ligand Bis-1,4-di[N-3-(2-hydroxy-1-amino)- acetophenonylidene] benzylidene [L] and its complexes with (Mn(II),Co(II),Ni(II and Cu(II)) were synthesized . The ligand was prepared in two steps. In the first step a solution of (terphthalaldehyde) in methanol reacts under reflux with (p-aminoacetophenone) to give an intermediate compound [1-[3-({4-[(3-Acetyl-phenylimino)-methyl]-benzylidene}-amino)-phenyl]- ethanone which reacts in the second step with (2-Amino-phenol) giving the mentioned ligand. The complexes were synthesized by addition the corresponding metal salt solution to the solution of the ligand in methanol under reflux in (1:1) metal to ligand ratio. On the basis of, molar conductance, I.R., UV-Vis, HPLC, chloride content and atomic absorption, the complexes may be formulated as K2[M(L)Cl2 ] were MII = Mn ,Co, Ni and Cu metal ions. The data of these measurements suggest an octahedral geometry for Mn(II),Co(II) and Cu(II) complexes and a square planar for Ni(II) complex | ||
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