Butler, Ian R., Beaumont, Michael, Bruce, Michael I., Zaitseva, Natalia N., Iggo, Jonathan A., Robertson, Craig, Horton, Peter N. and Coles, Simon J. (2020) Synthesis and structures of 1,1′,2-tribromoferrocene, 1,1′,2,2′-tetrabromoferrocene, 1,1′,2,2′-tetrabromoruthenocene: Expanding the range of precursors for the Metallocene chemist's toolkit. Australian Journal of Chemistry. (doi:10.1071/CH19184).
Abstract
The synthesis, characterisation, and isolation of 1,1′,2-tribromoferrocene and 1,1′,2,2′-tetrabromoferrocene, which are key synthons in ferrocene chemistry, are described. These compounds are prepared using α-halide assisted lithiation. The crystal structures of 1,1′,2-tribromoferrocene, 1,1′,2,2′-tetrabromoferrocene, 1,1′-dibromoruthenocene, and 1,1′,2,2′-tetrabromoruthenocene have been determined and are reported together with a brief discussion of the intramolecular forces involved in the crystal structures.
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