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Determination of the Z, E configuration of functionally trisubstituted olefins by13C NMR

  • 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.

    The Z, E configuration of functional trisubstituted olefins was established by means of13C NMR.

  2. 2.

    CX, the constant of spin-spin coupling with the allyl protons of the R substituent, is characteristic; it is 5.0 and 3.5 Hz for E and Z isomers, respectively.

  3. 3.

    The chemical shift values for the olefinic carbon Cβ in α,β-unsaturated aldehydes permit the assumption that conjugation of the olefin bond is more effective in E isomers than in Z isomers.

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow

    E. P. Prokof'ev, N. Ya. Grigor'eva & A. V. Semenovskii

Authors
  1. E. P. Prokof'ev
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  2. N. Ya. Grigor'eva
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  3. A. V. Semenovskii
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 834–837, April, 1980.

Deceased.

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Prokof'ev, E.P., Grigor'eva, N.Y. & Semenovskii, A.V. Determination of the Z, E configuration of functionally trisubstituted olefins by13C NMR. Russ Chem Bull 29, 586–589 (1980). https://doi.org/10.1007/BF00961608

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  • DOI: https://doi.org/10.1007/BF00961608

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