Conformational Analysis and Carbon-13 Spin-Lattice Relaxation in Menthol Isomers

Conference paper


Low temperature (193°K) spectra of menthol isomers in CH2Cl2 solution show that menthol and neomenthol exist practically in one conformation with equatorial alkyl groups; in isomenthol and neoisomenthol conformations with axial methyl group are more favoured (K193° ≃ 2 and 1.5). T1-s from menthol isomers are in accordance with their relative thermodynamic stability.


Laxation Rate Carbon Chemical Shift Twist Conformation Side Chain Carbon Relative Relaxation 
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  1. 1.
    F. Bohlmann, R. Zeisberq and E. Klein, Org.Magn.Resonance 7, 426 (1975).CrossRefGoogle Scholar
  2. 2.
    T. Pehk, E. Lippmaa, Proceedings of the XlXth Congress Ampere, Heidelberg 1976, p. 329.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1979

Authors and Affiliations

  • T. Pehk
    • 1
  1. 1.Department of PhysicsInstitute of Cybernetice of the Estonian Academy of SciencesTallinnUSSR

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