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Asteriscanolide. A sesquiterpene lactone with a new natural skeleton.

✍ Scribed by A. San Feliciano; A.F. Barrero; M. Medarde; J.M. Miguel del Corral; A. Aramburu; A. Perales; J. Fayos

Publisher: Elsevier Science
Year: 1985
Tongue: French
Weight: 310 KB
Volume: 26
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)95101-3

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✦ Synopsis

A sesquiterpene lactone was isolated from the hexane extract of Asteriscus aquaticus. Its constitution and stereochemistry were determined by spectroscopic techniques, principaZly two-dimensional NMR correlations (COSY, HCCORR,RELAYl and with the interpretation of certain chemical transformations. The results were confirmed by X-ray diffraction and the name asteriscane is proposed for the new natural skeleton.

By repeated chromatography of a methanol defatted hexane extract of Asteriscus aquaticus L.

(familly: Compositae) it was possible to isolate a small amount of a crystalline compound (m.p.

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