Conclusions
The σ-thienyl and σ-benzofuryl derivatives of cyclopentadienyliron dicarbonyl are mercurated at the five-membered heterocycle.
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2.
The chloromercuri derivative\(\begin{array}{*{20}c} {\_\_\_\_} \\ {CpFe(CO)_{2^{\_\_\_} } \begin{array}{*{20}c} {||} & {||} & {HgCl} \\ \end{array} } \\ {\begin{array}{*{20}c} \setminus & / \\ \end{array} } \\ S \\ \end{array}\) when treated with sodium thiosulfate is symmetrized with a retention of the Fe-C σ-bond.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1179–1181, May, 1976.
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Nesmeyanov, A.N., Kolobova, N.E., Goncharenko, L.V. et al. Mercuration of σ-heterocyclic derivatives of cyclopentadienyliron dicarbonyl. Russ Chem Bull 25, 1149–1151 (1976). https://doi.org/10.1007/BF00922016
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DOI: https://doi.org/10.1007/BF00922016