Temperature effects on the carbon-13 NMR shifts of selected compounds
β Scribed by William M. Litchman; Donald R. McLaughlin
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 204 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
The shielding observed in the chemical shifts of carbon atoms subjected to steric compression was originally attributed to carbonΓhydrogen bond polarization. There is increasing evidence that this is not universally the case and theoretical studies reveal that changes in dihedral angles may be respo
The 13C NMR chemical shifts of nitriles and nitro compounds derived from nineteen aliphatic and seven aromatic systems have been recorded and assigned. The shifts are compared with those of the hydrocarbons to give the substituent effects of the CN and NO2 groups.