The copper(II) and nickel(II) complexes of new tetradentate ligands bis (acetylacetone)ethylmethylethylenediimine (H2AA2EMen), bis(trifluoroacetylacetone)ethylmethylethylenediimine (H2F3AA2EMen) and bis(trifluoroacetylmesityloxide)ethylmethylethylenediimine (H2F3AM2EMen) have been prepared and characterized using IR H-1-NMR and mass spectroscopic techniques. ne reagents and metal complexes have been examined spectrophotometrically and the effects of complexation, solvent and fluorosubstitution on the absorptiometric properties have been reported.
M Y KHUHAWAR ,A G BHATTI ,
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