Conclusions
-
1.
The PMR method enables the state of the ion pairs in the compounds Et3GeM (M=Li, Na, K, Rb, Cs) to be monitored from the change in the value of the internal chemical shift Δ of the protons of the ethyl group.
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2.
2,2-Dimethylbutan-3-one reacts with Et3GeM with formation of the carbinol Et3Ge(tBu)MeCOH or the ambidentate enolate-anion [t-BuCOOH2]−M+, which is determined by the nature of the cation M and the solvent.
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3.
The transmetallation reaction has been studied of the compounds Et3GeM and Et3SiM, which is based on the replacement of a less electropositive alkali metal M by a more electropositive metal.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1841–1846, August, 1979.
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Bravo-Zhivotovskii, D.A., Kalikhman, I.D., Kruglaya, O.A. et al. Effect of donor solvents on the properties of triethylgermyllithium and related compounds. Russ Chem Bull 28, 1703–1708 (1979). https://doi.org/10.1007/BF00950998
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DOI: https://doi.org/10.1007/BF00950998