New sesquiterpene lactones from the aerial parts of Pseudoelephantopus spicatus.

Autor: Issa HH; Graduate Institute of Natural Products, Kaohsiung Medical University, Taiwan., Chang SM, Yang YL, Chang FR, Wu YC
Jazyk: angličtina
Zdroj: Chemical & pharmaceutical bulletin [Chem Pharm Bull (Tokyo)] 2006 Nov; Vol. 54 (11), pp. 1599-601.
DOI: 10.1248/cpb.54.1599
Abstrakt: Two new sesquiterpene lactones, spicatolide C (1) and spicatocadinanolide A (2), have been isolated along with the known piptocarphol isomers (3, 4) and one eudismane type sesquiterpene (5) from the EtOAc extract of the aerial parts of Pseudoelephantopus spicatus. The structures and the relative stereochemistries of the new metabolites were determined by spectroscopic methods.
Databáze: MEDLINE