Deprotonation of 2-(trialkylsilyl)-5-methylthiophenetricarbonylchromium(0) complexes 8a–e with ButLi resulted in intermolecular silyl transfer reactions which generated, inter alia, 2-methyl-3-(trialkylsilyl)thiophenetricarbonylchromium(0)9 and 3,5-bis(trialkylsilyl)-2-methylthiophenetri-carbonylchromium(0). The bulky silanes 8d, e were stable under these conditions.
M. S. Loft, T. J. Mowlem, D. A. Widdowson and D. J. Williams, J. Chem. Soc., Perkin Trans. 1, 1995, 105 DOI: 10.1039/P19950000105
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