Direct observation of acyclic pentadienyllithium conformational isomers by carbon-13 magnetic resonance spectroscopy
β Scribed by Ford, Warren T.; Newcomb, Martin
- Book ID
- 118021445
- Publisher
- American Chemical Society
- Year
- 1974
- Tongue
- English
- Weight
- 400 KB
- Volume
- 96
- Category
- Article
- ISSN
- 0002-7863
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1n connection with another study,' we prepared some 1,2-dihalo-, 1,3-dihalo-, and 1,2,3trihalo-2,3-dimethylbutanes (I-III, X = Cl or Br). The nuclear magnetic resonance (nmr) spectra of these compounds reveal a surprising degree of conformational preference about C-C single bonds, such a preference,
## Abstract Carbonβ13 magnetic resonance spectra of the sβ__cis__ and sβ__trans__ rotamers of enamino ketones and thiones of the general formula \documentclass{article}\pagestyle{empty}\begin{document}${\rm X =}\mathop {\rm C}\limits^{\rm 1} {\rm (}\mathop {\rm R}\limits^{\rm 1} {\rm)}\mathop {\rm