Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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The Linear Free Energy Relationship in Cinnamonitrile Derivatives

  • Shim, Sang-Chul (Department of Chemistry, Korea Advanced Institute of Science and Technology) ;
  • Yoon, Suk-Kyoon (Department of Chemistry, Korea Advanced Institute of Science and Technology)
  • Published : 19811200
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Abstract

Chemical shift differences of vinyl protons of cis- and trans-cinnamonitrile derivatives are very well correlated with $({\sigma}_I, {\sigma_R^0})$, ${\sigma}_P^+$, and (F, R) (r = 0.9996-0.8946), much better correlation than the case of methyl cinnamates. para-Substituted and trans-cinnamonitrile derivatives have larger resonance contribution than meta-substituted and cis-derivatives.

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References

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