Russian Chemical Bulletin

, Volume 46, Issue 1, pp 86–89 | Cite as

Peculiar features of sorption of positional isomers of formyl-, acetyl-, and aminopyridines in capillary gas-liquid chromatography

  • M. B. Terenina
  • I. L. Zhuravleva
  • R. V. Golovnya
Physical Chemistry


The GLC retention parameters of α-, β-, and γ-isomers of formyl-, acetyl-, and aminopyridines were determined on two columns with stationary phases of different polarities. The contributions of formyl, acetyl, methyl, and amino groups located in the α-, β-, and γ-positions of the ring to the retention indices were calculated. The contributions of these groups to the retention were found to depend on their positions with respect to the N atom of the ring and are the smallest for α-substituents. The difference between pyridines containing electron-withdrawing substituents and those containing electron-donating substituents is manifested as different orders of elution of α-, β-, and γ-derivatives. The distinctions between the GLC behaviors of pyridines, benzenes, and furans with the same substituents were identified.

Key words

capillary gas-liquid chromatography, retention indices substituted pyridines, positional isomers 


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Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • M. B. Terenina
    • 1
  • I. L. Zhuravleva
    • 1
  • R. V. Golovnya
    • 1
  1. 1.N. M. Emanuel' Institute of Biochemical PhysicsRussian Academy of SciencesMoscowRussian Federation

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