Investigation into aroylhydrazones as chelating agents. Part 8. Synthesis and spectroscopic characterization of complexes of Co, Ni, Cu, Zn, and Cd with 2,6-diacetylpyridine bis(salicyloylhydrazone); X-ray crystal structure of dichloro[2,6-diacetylpyridine bis(salicyloylhydrazone)]cadmium(II)–chloroform–methanol (1/1/1)
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 1,p. 177-181
- https://doi.org/10.1039/dt9870000177
Abstract
Some new metal complexes of 2,6-diacetylpyridine bis(salicyloylhydrazone)(H2daps) have been prepared from the reaction of the hydrazone with Co, Ni, Cu, Zn, and Cd chlorides and acetates. The chelating behaviour of the hydrazone has been spectroscopically investigated in all compounds by means of i.r. and 1H n.m.r. techniques. The complex [Cd(H2daps)Cl2]·CHCl3·CH3OH has been subject to an X-ray analysis which established a seven-co-ordinate pentagonal-bipyramidal metal environment, with two axial Cl atoms and the H2daps ligand forming the basal plane.Keywords
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