Reactions of low-valent metal complexes with fluorocarbons. Part XX. Tricarbonyl(π-allyl and π-2-methylallyl)cobalt
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 3476-3481
- https://doi.org/10.1039/j19710003476
Abstract
Reactions of tricarbonyl(π-allyl and π-2-methylallyl)cobalt with tetrafluoroethylene and hexafluoropropene result in formal insertion of the fluoro-olefins into the carbon–cobalt σ bonds of the allyl systems to give stable σ, π-fluoroalkyl cobalt tricarbonyl complexes. These compounds react with triphenylphosphine to form σ-bonded derivatives such as CH2:C(R)CH2·CF2·CF2Co(CO)3PPh3(R = H or Me). Hexafluorobut-2-yne reacts with tricarbonyl(π-2-methylallyl)cobalt to form a complex in which two molecules of the acetylene are inserted between the cobalt atom and the allyl group.Keywords
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