Proton resonance studies of the Schlenk equilibria for methyl- and ethyl-zinc iodide in tetrahydrofuran

D. F. Evans; G. V. Fazakerley

doi:10.1039/J19710000182

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Journal of the Chemical Society A: Inorganic, Physical, Theoretical

Issue 0, 1971

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Proton resonance studies of the Schlenk equilibria for methyl- and ethyl-zinc iodide in tetrahydrofuran

D. F. Evans and G. V. Fazakerley

J. Chem. Soc. A, 1971, 182-183

DOI: 10.1039/J19710000182

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Proton resonance spectra are reported for mixtures of methyl- and ethyl-zinc iodide with the corresponding bisalkylzincs in tetrahydrofuran solution. At low temperatures, alkyl exchange is slow on a proton resonance timescale. For the Schlenk equilibria R₂Zn + Znl₂ [right left harpoons] 2RZnl K is [gt-or-equal] 500 at –70 °C, in agreement with previous results.

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Journal of the Chemical Society A: Inorganic, Physical, Theoretical

Proton resonance studies of the Schlenk equilibria for methyl- and ethyl-zinc iodide in tetrahydrofuran

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