Abstract
Treatment of pentacarbonyliron with pentafluorophenylacetylene
has given the stable complex tricarbonyl-2,5-bis(pentafluorophenyl)cyclopentadienoneiron. There is no evidence of the
formation of other structural isomers. The complex is also formed from pentafluorophenylaoetylene and nonacarbonyldiiron
or dodecacarbonyltriiron. Two alkyne-cobalt complexes
have been isolated from the interaction of
octacarbonyldicobalt and pentafluorophenylacetylene.
One of these is a bridging alkyne complex of molecular stoicheiometry
Co2(CO)6(C6F6CCH);
the second is a complex of formula Co3(CO)9(CCH2C6F5).
The infrared and nuclear
magnetic resonance spectra of the complexes are given, and the probable
structures of the compounds are deduced from these spectroscopic properties.
Cited by
17 articles.
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