## Abstract The ^13^C NMR spectra of several diterpenic derivatives having the podocarpane and cassane skeleton were recorded and interpreted. The most significant effects due to substituent orientation, B/C ring junction stereochemistry and conformational changes are briefly discussed.
13C nuclear magnetic resonance spectra of several hydroxy diterpene derivatives
✍ Scribed by Bernard Delmond; Martine Taran; Jacques Valade; Michel Petraud; Bernard Barbe
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 601 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0749-1581
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✦ Synopsis
Abstract
^13^C NMR spectra of several hydroxy diterpene derivatives having a pimarane, isopimarane and (13S, 8α)rosane skeleton have been recorded. The most significant effects caused by the introduction of hydroxyl groups in such a skeleton are demonstrated. The magnitudes of the γ‐ and δ‐effects are large enough to allow their use in sterochemical assignments.
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