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PREPARATION AND CHARACTERIZATION OF Β-PROPHYDROZONE-BENZOTHIAZOLE THIOETHER COMPLEXES WITH SOME METALS (Mn, Fe, Zn, Hg, Ni) | ||
| AL-TAQANI | ||
| Article 1, Volume 20, Issue 1, 2007, Pages 0-0 | ||
| Abstract | ||
| The ligand (β-prophydrazone-2-benzothiazole thioether) is synthesized by the reaction of 2– mercapto benzothiazole (2-HMBT) with potassium hydroxide in an ethanolic solution. The product was reacted with (Ethyl-3- bromo propionate) in the same solution and the product reacted with hydrazine. The complexes of this ligand have been synthesized from the reaction of the ligand with some metal ions , Mn(II), Fe(III), Ni(II), Zn(II), Hg(II), these complexes were identified by elemental analysis infrared, electronic spectral data, magnetic moments, and molar concluded measurements. It is concluded from the elemental analysis that all the complexes have (1:2) [ligand: metal] molar ratios, octahedral, with the exception to Zn(II) and Hg(II) complexes which have (1:1) [ligand:metal]molar ratio, tetrahedral. Evidence from IR spectra shows that in all the complexes the ligand is coordinated via the thiazole nitrogen, oxygen, and exocyclic sulfur atom | ||
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