Affiliation:
1. Anorganisch-Chemisches Institut der Universität Köln
Abstract
π-Allyltris(trifluorophosphine)cobaltcomplexes, CnH2n-1Co(PF3)3, are synthetized by the reaction of hydrido-tetrakis(trifluorophosphine)cobalt with conjugated dienes. Suitable dienes are butadiene, isoprene, chloroprene, cis-1.3-pentadiene, trans-trans-2.4-hexadiene, 2.3-dimethyl-1.3-butadiene, 2.4-dimethyl-1.3-pentadiene and 1.3-cyclohexadiene. The complexes are thermally stable up to 100°C. They can be sublimed at 25°C/10-3 Torr. They are extremely soluble in polar as well as in nonpolar organic solvents. Since the 1H-NMR-signals are only poorly resolved, it is not possible to distinguish between expected isomers. The IR-spectra are consistent with a tetrahedral arrangement of the ligands.
Cited by
9 articles.
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