A much improved route to 1,1′-bis(arylethynyl)ferrocenes comprising accessible thiolates on the aryl ring is reported. Unanticipated reactions between AcCl, TBAF–BBr3 and ferrocenyl-alkynes are also discussed, offering a rationale for previous synthetic difficulties.
M. S. Inkpen, A. J. P. White, T. Albrecht and N. J. Long, Dalton Trans., 2014, 43, 15287 DOI: 10.1039/C4DT02359E
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