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1H and1H-29Si NMR spectra of dimethylaroxysilanes

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The29Si chemical shifts of substituted dimethylaroxysilanes are more sensitive to the effect of the X substituent than are the substituted dimethylarylsilanes.

  2. 2.

    The insertion of an oxygen bridge atom leads to a weakening of the induction effect of the C6H4,X substituent.

  3. 3.

    An increase in the sensitivity of shielding the29Si nuclei is probably caused either by the conjugation interactions of the O bridge atom with the Si atom or by the local change in the average excitation energy of the molecule when going from H(CH3)2SiC6H4X to H(CH3)2SiOC6H4X.

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Authors and Affiliations

  1. Irkutsk Institute of Organic Chemistry, Siberian Branch of the Academy of Sciences of the USSR, USSR

    M. F. Larin, É. I. Dubinskaya, M. G. Voronkov & V. A. Pestunovich

Authors
  1. M. F. Larin
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  2. É. I. Dubinskaya
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  3. M. G. Voronkov
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  4. V. A. Pestunovich
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1885–1887, August, 1981.

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Larin, M.F., Dubinskaya, É.I., Voronkov, M.G. et al. 1H and1H-29Si NMR spectra of dimethylaroxysilanes. Russ Chem Bull 30, 1552–1554 (1981). https://doi.org/10.1007/BF00952214

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  • DOI: https://doi.org/10.1007/BF00952214

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