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Reductive couplings with low-valent titanium compounds (McMurry Reaction). An e.s.r. investigation into the TiCl3/LiAlH4/ROH system

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Summary

A model is discussed for the titanium species, [M], used in reductive couplings (McMurry Synthesis). Evidence is given for the presence of aluminium(0) in [M], generated in the TiCl3/LiAlH4 system. Reactions of this [M] with alcohols showinter alia titanium(III) signals with superimposed Al-splittings in the e.s.r. spectra, thus proving the existence of mixed Ti-Al complexes in the TiCl3/LiAlH4/ROH system.

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On leave from Polish Academy of Sciences, Institute of Organic Chemistry, Kasprzaka 44/52, Warszawa, Poland.

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Dams, R., Malinowski, M. & Geise, H.J. Reductive couplings with low-valent titanium compounds (McMurry Reaction). An e.s.r. investigation into the TiCl3/LiAlH4/ROH system. Transition Met Chem 7, 37–40 (1982). https://doi.org/10.1007/BF00623806

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  • DOI: https://doi.org/10.1007/BF00623806

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