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Study of conjugation effects by means of NMR spectroscopy. 13. NMR spectra of divinyl chalcogenides

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

Conclusions

  1. 1.

    Parameters of the1H,13C,17O,77Se, and125Te NMR spectra have been obtained for divinyl chalcogenides. Estimates have been made of the effective group electronegativities and the resonance constants of the XCH=CH2 and XCH2CH3 groups, with X=O, S, SO, SO2, Se, and Te.

  2. 2.

    In the interaction with the unsaturated fragment, for the Group VI-A heteroatoms, theπ-donor effect predominates, decreasing in the series O>S>Se>Te;π-acceptor interaction is manifested in the series of sulfoxides and sulfones.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2507–2512, November, 1981.

For preceding communication, see [1].

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Bzhezovskii, V.M., Kushnarev, D.F., Trofimov, B.A. et al. Study of conjugation effects by means of NMR spectroscopy. 13. NMR spectra of divinyl chalcogenides. Russ Chem Bull 30, 2073–2077 (1981). https://doi.org/10.1007/BF01094632

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  • DOI: https://doi.org/10.1007/BF01094632

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