The treatment of 1,1′-bis(trimethylsilylethynyl)ferrocene with a catalytic amount (5 mol%) of [Ru3(CO)12] under 10 kg cm–2 of CO at 150 °C causes a novel Cyclocarbonylation involving 1,2-silyl migration of a silylethynyl group generating a transition-metal vinylidene intermediate, to give a cyclopent-3-en-1, 2-dione derivative.
K. Onitsuka, H. Katayama, K. Sonogashira and F. Ozawa, J. Chem. Soc., Chem. Commun., 1995, 2267 DOI: 10.1039/C39950002267
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