## Abstract The ^13^C NMR spectra of 1,3‐propanesultam, 2,4‐butanesultam, 1,4‐butanesultam, 1,3‐propanesultone and 1,4‐butanesultone, as well as some of their unsaturated analogs 2,4‐dimethylbuta‐1,3‐diene‐1,4‐sultone and 2,4‐dimethylbuta‐1,3‐diene‐1,4‐sultam, have been recorded. The observed chemi
Carbon-13 NMR spectra of saturated heterocycles: VIII—tetrahydrofurans and 1,3-dioxolanes
✍ Scribed by Ernest L. Eliel; V. Satyanarayana Rao; K. Michal Pietrusiewicz
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 595 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0749-1581
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
The ^13^C NMR spectra of 17 methyl‐ and ethyl‐substituted tetrahydrofurans and 58 alkyl‐ and aryl‐ substituted 1,3‐dioxolanes are reported. For the cases in which substituents recur, additive substituent parameters are calculated and compared with similar parameters in cyclopentanes and in 6‐membered rings. Considering the conformational flexibility of 5‐membered ring systems, additivity of the parameters is surprisingly good.
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