Complexes of TiCl4, VCl4 and SnX4 (X = Cl or Br) with Schiff bases derived from 2-aminobenzimidazole |
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Authors: | Agueda Arquero Pilar Souza José A García-Vázquez José R Masaguer |
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Institution: | (1) Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma, Canto Blanco, 28049 Madrid, Spain |
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Abstract: | Summary The reactions of anhydrous titanium(IV), tin(IV) and vanadium(IV) halides with Schiff bases derived from 2-aminobenzimidazole and 4-methylbenzaldehyde (abimbz) and salicylaldehyde (abisal), yield hexacoordinated complexes M(abimbz)Cl4 and M(abisal)2X4 (M = Ti, Sn or V; X = Cl or Br).The compounds have been characterized by elemental analyses, magnetic measurements, e.p.r., electronic and i.r. spectral studies. I.r. spectra suggest that the Schiff base (abimbz) is coordinated as a bidentate ligand with the metal ion and the (abisal) base acts as a monodentate ligand. |
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