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Three new sesquiterpene lactones from the pericarps of Illicium merrillianum
J M Huang1, Y Fukuyama, C S Yang
1Institute of Pharmacognosy, Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Japan.
Chemical & Pharmaceutical Bulletin
|May 24, 2000
Abstract:
Structures of three new sesquiterpene lactones 1-3, isolated from the pericarps of Illicium merrillianum, have been assigned as 14-O-benzoylfloridanolide, 2,10-epoxy-3-dehydroxypseudoanisatin and 7-O-methylpseudomajucin on the basis of spectroscopic data and chemical transformation. The structure of 2, having an ether linkage between C-2 and C-10, has been confirmed by X-ray crystallographic analysis.