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Structure of laurycolactone A and B, new C18 - quassinoids from Eurycoma longifolia and revised structured of Eurycomalactone (X - ray analysis)

✍ Scribed by Nguyen-Ngoc-Suong; Subodh Bhatnagar; Judith Polonsky; Marc Vuilhorgne; Thierry Prangé; Claudine Pascard

Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
269 KB
Volume
23
Category
Article
ISSN
0040-4039

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✦ Synopsis

Laurycolactone A 2 and B 3 are new quasslnolds with a C basic skeleton Isolated from the Vietnamese Simaroubaceae

, Eurwoma ~ongifo~za Jack . T e structure of Eurycoma- da lactone, a Cl9 quasslnold isolated previously f&m-the same plant, has been revised and shown to be 4

The structures have been established by spectral means and those of 2 and 4 conflrmed by-x-ray diffraction analysis.

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