The whole plant of Ixeris sonchifolia afforded two new guaianolide sesquiterpene lactones named 8-desoxyartelin [3-hydroxy-1(10),3-guaiadiene-12,6-olide-2-one] and ixerin Z [1(10),3,11(13)-guaiatriene-12,6-olide-2-one-3-O-glucopyranoside], along with the known compound 9 alpha-hydroxyzaluzalin C, whose structure and stereochemistry wee determined by spectroscopic methods.
compositae, sesquiterpene lactones, Ixeris sonchifolia, guaianolide, 8-desoxyartelin, ixerin Z, 9 alpha-hydroxyzaluzalin C
Publication DOI: 10.1016/S0031-9422(97)01104-7Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Faculty of Science, Zagazig University, Zagazig, Egypt
Methods: 13C NMR, 1H NMR, EI-MS, IR, FAB-MS, UV, extraction, optical rotation measurement, CC
Found