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Hercynolactone, a new carotane sesquiterpenoid from the liverworts barbilophozia lycopodioides and B. Hatcheri. crystal structure analysis.

โœ 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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โœฆ 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
โœ K. Kozhiparambil; Purushothaman; Chandrasekharan Sundaram; A.Forbes Cameron; Jos ๐Ÿ“‚ Article ๐Ÿ“… 1979 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 124 KB

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)