Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2013 Vol: 5 Issue: 4

Synthesis and characterization of polydentate ligand and its metal complexes

Abstract

The reaction of 2,6- diformyl- 4- methyl phenol with [cystamine] (2- mercapto ethyl ammonium chloride) in (1: 2) mole ratio gave 2,6- di- [2- mercapto- ethyl- imino)- methyl] 4- methyl phenol pentadent ligand with NOS donor atoms is formed [H3L1]. Also neutral complexes of this ligand with Cu (II), Co (II), Zr (II) and La (III) were prepared. The ligands and complexes were characterized by elemental microanalysis (C.H.N), FT-IR, U.V- Vis, ( 1H, 13 C, 1H–1H, 1H–13C ) NMR and mass spectroscopies a long with molar conductivity measurements from the above data. The proposed molecular structure for Cu (II) or Zr (II) with the ligand is square planar while La (III) and Co (II) adopted octahedral structure.

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