From the roots of Jatropha gossypiifolia (Euphorbiaceae) we have isolated two new diterpenoids, jatrophopone A (11, C20H2402, and its C-2 epimer jatropholone B (21, with a cyclised casbene skeleton incorporating a fully substituted cresol ring. The structure of jatropholone B was established as (2)
โฆ LIBER โฆ
Hercynolactone, a new carotane sesquiterpenoid from the liverworts barbilophozia lycopodioides and B. Hatcheri. crystal structure analysis.
โ Scribed by Siegfried Huneck; A.Forbes Cameron; Joseph D. Connolly; Mary McLaren; David S. Rycroft
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- French
- Weight
- 201 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
Hercynolactone, a new carotane sesqulterpenold isolated from two Barbilophozla liverwort species, has been asslgned the structure and relative conflguratlon
(1) on the basis of spectroscopic (especially IH and 13C n.m.r.) and X-ray crystal structure analysis.
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Jatropholones A and B, new diterpenoids
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K. Kozhiparambil; Purushothaman; Chandrasekharan Sundaram; A.Forbes Cameron; Jos
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Article
๐
1979
๐
Elsevier Science
๐
French
โ 124 KB