Complete 13C NMR spectra of the axial forms of methyl‐, ethyl‐ and isopropylcyclohexane
- 1 January 1987
- journal article
- research article
- Published by Wiley in Magnetic Resonance in Chemistry
- Vol. 25 (1) , 53-56
- https://doi.org/10.1002/mrc.1260250113
Abstract
Low‐temperature 13C NMR spectral data have been obtained for equatorial and axial methyl‐, ethyl‐ and isopropylcyclohexane using a high‐temperature cryogenic trapping technique. 13C chemical shift differences between major and minor conformations of each compound are discussed in terms of chemical shift theories. A convenient synthesis of deuteriated dichlorofluoro‐ and difluorochloromethane, which are excellent low‐temperature NMR solvents, is also presented.Keywords
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