Carbon-13 chemical shift of tetrafluoromethane
✍ Scribed by Edwin L Motell; Gary E Maciel
- Book ID
- 103187107
- Publisher
- Elsevier Science
- Year
- 1972
- Weight
- 144 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0022-2364
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📜 SIMILAR VOLUMES
The carbon-13 chemical shifts of monosubstituted cyclohexane derivatives are compared with those of aliphatic compounds. The polar substituents exert a similar influence on the M-, Band y-carbons in both series of compounds. The 8-effect is shown to be characteristic mainly to the cyclic compounds,
## Abstract ^13^C NMR spectra of a series of substituted nortricyclene derivatives have been measured, and the ^13^C chemical shifts interpreted in terms of α, β, γ and δ‐effects. The nature of these substiuent shifts is discussed together with some analytical possibilities. The substituent shifts
## Abstract The ^13^C NMR spectra of twelve isomeric 2‐and 4‐(E)‐stilbenyloxyalkylthiouracils have been calculated and fully assigned. The __A^i^__ and __A^i^K__ empirical parameters of 4‐ketopyrimidyl‐2‐thioalkoxy, 2‐ketopyrimidyl‐4‐thioalkoxy, 2‐(__E__) ‐stilbenyloxyalkyl, 2‐(__E__)‐stilbenyloxya