From the ether extract of the liverwort Odontoschisma denudatum, three novel ent-bibsaneand a novel dolabollane-type diterpenoids have been isolated. Their absolute structures were determined by a combination of 2D-NMR, X-ray crystallographic analysis, modified Mosher method, and chemical degradatio
Dolabellane diterpenoids from the liverwort Odontoschisma denudatum
β Scribed by Akihiko Matsuo; Ki-ichiro Kamio; Katsumi Uohama; Ken-ichiro Yoshida; Joseph D. Connolly; George A. Sim
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 739 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0031-9422
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From the ether extract of the liverwort Odontoschisma denudatum, two novel diterpenoids, neodenudatenones A and B, having a new carbon skeleton named neodenudatenone-type have been isolated. Their absolute structures were determined by a combination of high resolution 2D-NMR and CDspectra, and cbemi
## Abstract Two new dolabellane diterpenoids, (1__R__,3__R__,7__E__,11__S__,12__R__)βdolabellaβ4(16),7βdieneβ3,18βdiol (**1**) and (1__R__,3__E__,7__R__,11__S__,12__R__)βdolabellaβ3,8(17)βdieneβ7,18βdiol (**2**), and the known (1__R__,3__E__,7__E__,11__S__,12__R__)βdolabellaβ3,7βdienβ18βol (**3**)