Summary
The HFe3(CO)9S− and Fe3(CO)9S2− anions [prepared from H2Fe3(CO)9S by deprotonation] react with M(CO)5(THF) (M=Cr or W) to form the anionic “capped” clusters, HFe3(CO)9SM(CO) −5 and Fe3(CO)9SM(CO) 2−5 , which can be isolated as their Et4N salts. The M-S bonds of these complexes are cleaved by ligands such as PPh3 or MeCN. The dianionic clusters are more stable than their monoanionic analogues. Alkylation of Fe3(CO)9S2− with alkyl halides followed by protonation yields HFe3(CO)9SR complexes, among them the first member of the series with R=Me.
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Takács, J., Markó, L. Lewis-base properties of the HFe3(CO)9S− and Fe3(CO)9S2− cluster anions. Transition Met Chem 10, 21–24 (1985). https://doi.org/10.1007/BF00620626
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DOI: https://doi.org/10.1007/BF00620626