Facile preparation of π-arene complexes of ruthenium [(η5-C5Me5)Ru(arene)]X including a π-pyridine and the first π-furan derivatives
- 1 January 1988
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 11,p. 711-713
- https://doi.org/10.1039/c39880000711
Abstract
Zinc reduction of (Cp*RuCl2)n(Cp*=η5-C5Me5) in tetrahydrofuran or acetone affords ‘(Cp*RuCl)n’ which reacts smoothly with arenes with or without KPF6, even at –50 °C, to give the π-complexes [Cp*Ru(arene)]X (arene = benzene, 3-methylthiophene, pyridine, 2,6-lutidine, 3,5-lutidine, or furan) including the first detected π-furan complex in solution and a rare example of a π-pyridine complex; the latter is proposed as a model for pyridine co-ordination in hydrodenitrogenation reactions, however, the mode of pyridine co-ordination is highly dependent on the polarity of the solvent.Keywords
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