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2 Polish Journal of Chemistry

2 2008

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Self-Assembly in Lanthanum Complexes of Salicylaldimines Derived from Biogenic Diamines

Pospieszna-Markiewicz I., Radecka-Paryzek W.

Polish Journal of Chemistry

2008

Vol. 82, nr 6

1207-1212

Lanthanum(III) chloride and nitrate appear to be effective template agents in the one-step synthesis of salicylaldimine complexes derived from salicylaldehyde and biogenic diamines putrescine or cadaverine. The potentially tetradentate N2O2 Schiff bases display a rare coordination pattern of salen-type complexes acting as neutral ligands us ing oxygens as do nor atoms with out in volving the nitrogen atoms in the coordination. The synthesis and characteriz tion of the new free salicylaldimine ligand derived from cadaverine was also carried out.

Heterobimetallic Zinc and Lanthanide Salicylaldimine Complexes Formed in Self-Assembly Process

Kaczmarek M. T., Radecka-Paryzek W.

Polish Journal of Chemistry

2008

Vol. 82, nr 6

1213-1218

The new 3d-4f heterobimetallic salicylaldimine complexes of the formulas ZnLaL2(NO3)5×5H2O, ZnGdL2Cl5×6H2O and ZnGdL3(NO3)5×5H2O, where L is N,N'- bis(salicylidene)-1,3-phenylenediamine, were synthesized by the template-in duced Schiff base condensation reaction between salicylaldehyde and 1,3- phenylene diamine in the presence of appropriate metal ions acting as templates. The complexes were characterized by spectroscopic methods (IR, 1H NMR, ESI-MS) and elemental analysis.