Synthetic applications of the reaction of silver(I) salts with the bis-[dicarbonyl(π-cyclopentadienyl)iron] complex
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 13,p. 1329-1332
- https://doi.org/10.1039/dt9730001329
Abstract
In polar solvents the iron–iron bond of the dimeric complex [(cp)2Fe2(CO)4](cp =π-cyclopentadienyl) is smoothly oxidised by AgI ions to give diamagnetic cations containing a co-ordinated solvent molecule, and metallic silver. Using acetone as solvent, the cation [(cp)Fe(CO)2(acetone)]+ has been isolated and fully characterised as the hexafiuorophosphate salt. The use of AgI salts as convenient reagents for the synthesis of a wide variety of [(cp)Fe(CO)2R][R = NO3,CF3CO2,SCN,NCO,PhCO2,p-Me-C6 H4SO3 and OP(O)(OPh)2], and[(cp)Fe(CO)2L]+{L = CO, Ph3P, Ph3As, Ph3Sb, MeCN, PhCH2CN, Ph2CHCN, PhSMe, and [(cp) Fe (CO)2I]} complexes is described. Some mechanistic implications of the reaction are briefly discussed.Keywords
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