Application of Empirical and Quantum-chemical Computational Methods in the Determination of the Free Conformational Energy of Substituents in 1,3-Dioxanes
β Scribed by V. V. Kuznetsov; E. A. Alekseeva
- Book ID
- 111552220
- Publisher
- Springer US
- Year
- 2003
- Tongue
- English
- Weight
- 128 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0009-3122
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π SIMILAR VOLUMES
When strong proton α proton coupling is present, a projection of the tilted ( ) two-dimensional J, β¦ J-resolved spectrum frequently produces one or more extra lines, i.e., there are more lines in the projection than there are protons in the molecule. Contrary to popular belief, these lines are not '
## Abstract The ^13^C chemical shifts for 1,3βdithiane and 9 methyl substituted derivatives are reported. Only three of the methylβ1,3βdithianes were conformationally anancomeric and hence the conformational equilibria must be taken into account when deriving the values of the different substituent