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.
Homodinuclear complexes with magnesium(II), calcium(II), and barium(II) ions and heterodinuclear complexes with calcium(II) or cadmium(II) and lanthanide(III) ions containing Schiff base open-chain ligand terminated by one amine and one carbonyl group were prepared as a result of the partial Schiff base condensation reaction between 2,6-diacetylpyridine and 4-methyl-1,2-phenylenediamine in the presence of the appropriate ions acting as templates. The complexes were characterized by spectroscopic methods (IR, 1H NMR, FAB-MS), thermogravimetric and elemental analyses.
Homodinuclear complexes of lanthanum(III), zinc(II), cadmium(II) and mercury(II) ions and heterodinuclear complexes of lanthanum(II) and zinc(II) ions containing Schiff base open-chain ligands terminated by two carbonyl groups or one amine and one carbonyl group were prepared as a result of the partial Schiff base condensation reaction between 2,6-diacetylpyridine and 4-methyl-1,2-phenylenediamine or 2,6-diaminopyridine in the presence of the appropriate ions acting as templates. The complexes were characterized by spectroscopic methods (IR, 1H NMR, FAB-MS) and elemental analysis.
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