Anodic oxidation of metal carbonyls in trifluoroacetic acid; stabilities of some 17-electron cations
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 7,p. 636-638
- https://doi.org/10.1039/dt9760000636
Abstract
The electrochemical oxidation of some metal carbonyls at a Pt electrode in trifluoroacetic acid–tetrabutylammonium tetrafluoroborate (0.2 mol dm–3) is reported. It is shown that the 17-electron cations [Cr(CO)6]+, [Fe(CO)5]+, [Mn(η-C5H5)(CO)3]+ and [MnBr(CO)5]+ may be prepared form their parent 18-electron carbonyls and that each has some stability in this medium. The complex [Mn2(CO)10] undergoes a two-electron oxidation and the product is [Mn(CO)5(O2CCF3)]. This latter product can also be prepared by direct air oxidation.Keywords
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