Kinetics of reactions of Schiff-base complexes of ...
|Title||Kinetics of reactions of Schiff-base complexes of iron (II). Part 6. The preparation and kinetics of reactions of multidentate ligand complexes|
|Author(s)||M. J. Blandamer, J. Burgess, Robert I. Haines, F. M. Mekhail, P. Askalini|
|Journal||Journal of the Chemical Society, Dalton Transactions|
|Abstract||Preparations of iron(II) complexes of bi-, tri-, quadri-, quinque-, and sexi-dentate Schiff bases are reported. The Schiff-base ligands are derived from pyridine-2-carbaldehyde, phenyl 2-pyridyl ketone, pyridine-2,6-dicarb-aldehyde. or 2,6-diacetylpyridine, and appropriate amines. All these complexes aquate in acid solution, and react with cyanide to give ternary iron(II)?cyanide?Schiff-base complexes. The kinetics of aquation of several of these Schiff-base complexes, and the kinetics of cyanide attack at all the complexes, are described, and reactivities are compared with those for analogous reactions of other iron(II) di-imine complexes. Solvent effects on the re-activity with cyanide of one of the complexes of the sexidentate Schiff bases in a range of binary aqueous mixtures are discussed.|
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