2-Thenoyltrifluoroacetone isonicotinoyl hydrazone (H/L), made by condensation of 2-thenoyltrifluoroacetone(TTA) with isonicotinic acid hydrazide, and its transition metal complexes were prepared. H/L functions as a tetradentate ligand for divalent metal ions, but as a tridentate ligand for trivalent
Benzoylacetone isonicotinoyl hydrazone complexes of divalent transition metals
β Scribed by Ramadan M. El-Bahnasawy; Somaia E. El-Meleigy
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 428 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0340-4285
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Two series of bivalent metal complexes of the type M(Sal). xH20 and M(Naph) have been synthesized; where M = Co, Ni, Cu, Zn, Pd and Cd, and H/-Sal and H2-Naph are salicylaldehyde and o-hydroxynaphthaldehyde isonicotinoyl hydrazones which acted as dibasic terdentate ligands. The polymeric nature and
A new series of complexes with the tridentate dibasic Schiff base ligand o-vanillin isonicotinoyl hydrazone (o-VINH) were prepared and characterized by i.r., 1H n.m.r. and electronic spectral studies, magnetic susceptibility measurements and t.g.a. The disappearance of low field signals due to OH, N