Magnetic Resonance in Chemistry p. 53 - 56 (1987)
Update date:2022-08-05
Topics:
Squillacote, Michael E.
Neth, Joann M.
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 synthesys of deuteriated dichlorofluoro- and difluorochloromethane, which are excellent low-temperature NMR solvent, is also presented. - KEY WORDS Low temperature 13C NMR; methylcyclohexane; ethylcyclohexane; isopropylcyclohexane; axial and equatorial conformers.
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