Conclusions
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1.
A relationship of the chemical shifts of the methyl protons and CH2 protons of the ethyl groups to the sums of the Taft constants of the three other substituents was detected for organogermanium compounds CH3GeR1R2R3 and C2H3GeR1R2R3.
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2.
The deviations from this dependence observed for certain compounds are discussed.
Literature cited
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Egorochkin, A.N., Khidekel', M.L., Ponomarenko, V.A. et al. Some principles in the proton magnetic resonance spectra of a number of germanium compounds. Russ Chem Bull 13, 347–348 (1964). https://doi.org/10.1007/BF00853703
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DOI: https://doi.org/10.1007/BF00853703