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SYNTHESIS AND CHARACTERIZATION OF SOME NEW TRANSITION METAL COMPLEXES WITH 2,5-di(4-AMINO PHENAZONYL) HEXANE | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 13, Issue 4, 2010, Pages 15-22 | ||
| Author | ||
| Abbas Ali Salih Al-Hamdani | ||
| Abstract | ||
| A new tetradentate N2O2 type Schiff base ligand 2,5-di(4-amino phenazonyl)hexane L was synthesized from the condensation of 4-aminophenazone and 2,5-hexanedone. Monomeric complexes of this ligand, of general formulae [M(L)]X (M-X=Co(II)-(OAc)2, Ni(II)-(OAc)2, Cu(II)-(OAc)2,VO(II)-SO4,Zn(II)-SO4,Mn(II)-Cl2 or Fe(II)-Cl2;OAc=acetate ) are reported. The mode of bonding and overall geometry of the complexes were determined through I.R, UV-Vis, NMR spectral studies, magnetic moment measurements, elemental analysis, metal content and conductance measurement. These studies revealed tetrahedral geometries for the Co(II), Ni(II),Mn(II),Fe(II) and Zn(II) complexes, square pyramidal for VO(II) complex and square planar for Cu(II) complex. The study of complex formation via molar ratio in DMF solution was investigated and the results were compeer to those found in the solid complexes with a ratio of (M: L) as (1:1) | ||
| Keywords | ||
| aminophenazone; hexanedone; Schiff base complexes | ||
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