Metallo-organic compounds containing metal–nitrogen bonds. Part VII. Synthesis and properties of bis-(NN′-diethylbutane-1,3-di-iminato) derivatives of cobalt(II)2and zinc
- 1 January 1971
- journal article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1622-1627
- https://doi.org/10.1039/j19710001622
Abstract
The reaction of cobalt(II) chloride with lithium diethylamide has been investigated, the main products being metallic cobalt, lithium chloride, diethylamine, and a bis-(NN′-diethylbutane-1,3-di-iminato)cobalt(II) complex. A mechanism for the formation of this complex is suggested and its structure assigned on the basis of physical and chemical properties. Demetallation of the complex gave a base EtN:CH·CH·CH:C(Me)·NHEt and its hydrochloride, from which the analogous diamagnetic zinc derivative was prepared. The spectral and magnetic properties of the cobalt complex are consistent with a pseudo-tetrahedral configuration about the metal ion, with the ligands producing a very high ligand-field.Keywords
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