Nuclear magnetic resonance studies on metal complexes. Part III. Dimethylphenylphosphine complexes of ruthenium(II)
- 1 January 1966
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1787-1793
- https://doi.org/10.1039/j19660001787
Abstract
New complexes are described of types [RuX2(CO)(PMe2Ph)3](X = Cl, Br, I, or SCN), [RuXCl(CO)(PMe2Ph)3](X = Br, or I, [RuHX(CO)(PMe2Ph)3](X = Cl, Br, or I), and [RuX2(CO)2(PMe2Ph)2](X = Cl, Br, or I). Results for the methyl resonance spectra are given, the spectra being very useful in determining stereochemistry. Empirical shielding constants are calculated for the effects on the τ-values of the methyl resonances on replacing Cl by Br or I. Resonance results for the ruthenium hydrides are reported as are infrared and dipole moment measurements. The trans-effects of carbon monoxide, tertiary phosphine, and chloride ligands in ruthenium(II) complexes are discussed.Keywords
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