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Study of the nature of the long-range effect of the lone pair of the heteroatom on the direct13C-1H spin-spin coupling constants in N-vinyl derivatives of heterocycles by the AM-1 method

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

Abstract

The main reason for the increase in a direct13C-1H spin-spin coupling constant upon the spatial approach of the respective hydrogen atom and a heteroatom separated by several bonds is the increase in the s order of the C-H bond. The length of the C-H bond, however, remains practically unchanged.

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Authors and Affiliations

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

    A. V. Afonin, A. V. Vashchenko & D. K. Danovich

Authors
  1. A. V. Afonin
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  2. A. V. Vashchenko
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  3. D. K. Danovich
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 582–589, March, 1991.

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Afonin, A.V., Vashchenko, A.V. & Danovich, D.K. Study of the nature of the long-range effect of the lone pair of the heteroatom on the direct13C-1H spin-spin coupling constants in N-vinyl derivatives of heterocycles by the AM-1 method. Russ Chem Bull 40, 503–510 (1991). https://doi.org/10.1007/BF00957984

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  • DOI: https://doi.org/10.1007/BF00957984

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