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Theoretical and Experimental Chemistry

, Volume 4, Issue 4, pp 279–283 | Cite as

Transmission of electronic effects of substituents in vinyl esters

  • L. A. Kotorlenko
  • A. P. Gardenina
Article
  • 15 Downloads

Abstract

To elucidate the transmission mechanism of electronic effects of substituents in vinyl esters on the optical parameters of the absorption bands in the IR spectra, a comparison was made of the frequencies of corresponding absorption bands in vinyl ethers, vinyl esters, alkyl esters of carboxylic acids, ketones, and acid anhydrides. Calculation of the π- and σ-electron structure of the molecules by the Hückel and Del Re approximations was made. The results were compared with the spectral characteristics. The conclusion was reached that the ester oxygen atom in vinyl esters reduces interaction of the carbonyl and vinyl groups, although it is not removed completely. In vinyl esters of aromatic acids the effect of benzene ring substituents is displayed by a change of the π-electron structure of the CH2=CH-O-CO- fragment. In vinyl esters of aliphatic acids the electronic influence of radicals of the acid portion is transmitted by the ester oxygen, mainly inductively, which, in its turn, shows a change in the ability of this atom to conjugate with the vinyl group.

Keywords

Vinyl Anhydride Carboxylic Acid Electronic Effect Vinyl Ether 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© The Faraday Press, Inc. 1971

Authors and Affiliations

  • L. A. Kotorlenko
    • 1
  • A. P. Gardenina
    • 1
  1. 1.Pisarzhevskii Institute of Physical ChemistryAS UkrSSRKiev

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